Helsinki monthly weather forecast

Monthly weather forecast for Helsinki. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed

31 August 2026, Monday
+17°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
12.2
95%
1007
01:00
+17°C
18.7
94%
1006
02:00
+17°C
24.5
93%
1006
03:00
+17°C
18.4
95%
1006
04:00
+17°C
17.6
97%
1006
05:00
+17°C
20.2
96%
1005
06:00
+17°C
18.7
96%
1004
07:00
+17°C
18.7
95%
1004
08:00
+17°C
21.6
95%
1004
09:00
+17°C
25.2
95%
1003
10:00
+17°C
26.3
95%
1003
11:00
+17°C
23.8
96%
1003
12:00
+17°C
25.9
96%
1003
13:00
+17°C
30.6
96%
1003
14:00
+17°C
24.8
96%
1003
15:00
+18°C
21.6
95%
1004
16:00
+18°C
22
96%
1004
17:00
+18°C
19.4
95%
1004
18:00
+18°C
23.4
93%
1004
19:00
+18°C
22.7
91%
1004
20:00
+17°C
25.6
93%
1005
21:00
+17°C
25.2
92%
1005
22:00
+17°C
23.8
90%
1006
23:00
+17°C
21.6
88%
1006
01 September 2026, Tuesday
+16°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
19.8
86%
1006
01:00
+16°C
16.9
86%
1006
02:00
+16°C
15.1
86%
1006
03:00
+16°C
12.6
83%
1006
04:00
+16°C
10.8
85%
1006
05:00
+16°C
12.6
89%
1006
06:00
+16°C
12.2
89%
1006
07:00
+16°C
11.9
89%
1006
08:00
+17°C
11.5
88%
1006
09:00
+17°C
11.5
93%
1006
10:00
+17°C
19.1
92%
1006
11:00
+17°C
19.4
91%
1006
12:00
+18°C
19.8
89%
1006
13:00
+18°C
17.6
88%
1007
14:00
+19°C
17.6
89%
1007
15:00
+19°C
17.3
87%
1007
16:00
+19°C
15.1
81%
1007
17:00
+19°C
13.7
81%
1007
18:00
+19°C
12.2
84%
1006
19:00
+19°C
11.2
84%
1006
20:00
+18°C
13.7
90%
1006
21:00
+17°C
12.6
92%
1006
22:00
+17°C
11.2
93%
1006
23:00
+16°C
10.8
95%
1006
02 September 2026, Wednesday
+14°C / +20°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
8.6
95%
1006
01:00
+16°C
6.5
95%
1006
02:00
+15°C
8.3
96%
1006
03:00
+15°C
7.9
99%
1006
04:00
+15°C
7.2
99%
1006
05:00
+14°C
6.5
99%
1006
06:00
+14°C
5.4
98%
1006
07:00
+14°C
5.8
95%
1006
08:00
+15°C
7.9
98%
1006
09:00
+15°C
7.2
97%
1006
10:00
+16°C
6.1
87%
1006
11:00
+18°C
7.9
78%
1006
12:00
+19°C
10.8
71%
1006
13:00
+20°C
12.2
57%
1006
14:00
+20°C
12.2
52%
1006
15:00
+20°C
15.8
62%
1007
16:00
+20°C
19.8
73%
1007
17:00
+20°C
18.7
67%
1007
18:00
+20°C
18.7
67%
1007
19:00
+20°C
16.6
74%
1007
20:00
+18°C
13.5
84%
1006
21:00
+17°C
14.1
86%
1006
22:00
+16°C
16
84%
1006
23:00
+15°C
14.3
86%
1005
03 September 2026, Thursday
+13°C / +17°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+15°C
13.9
90%
1005
01:00
+15°C
13.1
93%
1005
02:00
+15°C
12.9
92%
1005
03:00
+15°C
13.8
90%
1005
04:00
+16°C
13.8
89%
1004
05:00
+16°C
17.7
89%
1004
06:00
+15°C
14.7
93%
1004
07:00
+15°C
15.1
95%
1004
08:00
+15°C
14.5
94%
1004
09:00
+16°C
15.2
86%
1004
10:00
+16°C
16.6
73%
1004
11:00
+17°C
17.1
64%
1004
12:00
+17°C
18.3
59%
1004
13:00
+17°C
20
61%
1004
14:00
+17°C
22.2
64%
1004
15:00
+17°C
23.1
66%
1004
16:00
+17°C
24.3
65%
1004
17:00
+17°C
22.9
62%
1004
18:00
+16°C
22.2
64%
1004
19:00
+16°C
21.8
70%
1004
20:00
+15°C
22.1
68%
1004
21:00
+14°C
19.7
71%
1004
22:00
+13°C
17.2
74%
1004
23:00
+13°C
14.1
77%
1004
04 September 2026, Friday
+13°C / +17°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+13°C
11.6
80%
1003
01:00
+13°C
10.8
80%
1003
02:00
+13°C
10.8
79%
1003
03:00
+13°C
10.6
78%
1003
04:00
+13°C
9.6
78%
1002
05:00
+13°C
8.4
79%
1002
06:00
+13°C
7.5
79%
1001
07:00
+13°C
6.7
77%
1001
08:00
+14°C
6.3
74%
1001
09:00
+15°C
7.2
71%
1000
10:00
+16°C
10.1
68%
1000
11:00
+16°C
14
64%
1000
12:00
+16°C
17.2
61%
1000
13:00
+17°C
19.7
60%
999
14:00
+17°C
21.8
59%
999
15:00
+17°C
22
60%
999
16:00
+16°C
18.3
63%
998
17:00
+16°C
12.6
67%
998
18:00
+15°C
9.5
71%
998
19:00
+15°C
10.1
73%
998
20:00
+14°C
12.1
73%
998
21:00
+14°C
13.5
74%
998
22:00
+13°C
13.1
78%
997
23:00
+13°C
11.8
82%
997
05 September 2026, Saturday
+9°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+12°C
10.5
86%
997
01:00
+11°C
9.1
89%
996
02:00
+11°C
8.3
90%
996
03:00
+10°C
8.3
92%
996
04:00
+10°C
9
93%
996
05:00
+9°C
10
95%
996
06:00
+9°C
10.7
95%
996
07:00
+9°C
10.9
95%
996
08:00
+10°C
11
94%
996
09:00
+11°C
11.1
89%
997
10:00
+13°C
11.1
77%
997
11:00
+15°C
11
65%
997
12:00
+16°C
11.4
59%
998
13:00
+16°C
12.6
62%
998
14:00
+15°C
15.5
71%
998
15:00
+15°C
17.6
80%
998
16:00
+14°C
17
85%
998
17:00
+14°C
16.1
89%
998
18:00
+13°C
15.9
92%
999
19:00
+13°C
15.6
93%
999
20:00
+12°C
15
94%
999
21:00
+12°C
14.4
94%
999
22:00
+12°C
14.1
94%
1000
23:00
+11°C
13.9
95%
1000
06 September 2026, Sunday
+10°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
13.9
94%
1000
01:00
+11°C
14.2
94%
1000
02:00
+10°C
14
94%
1000
03:00
+10°C
14.1
94%
1000
04:00
+10°C
14.3
94%
1001
05:00
+10°C
14.8
94%
1001
06:00
+10°C
15.2
95%
1001
07:00
+10°C
15.8
95%
1001
08:00
+10°C
16.2
93%
1002
09:00
+11°C
16.7
90%
1002
10:00
+11°C
17.1
85%
1002
11:00
+12°C
17.6
77%
1003
12:00
+14°C
17.8
69%
1003
13:00
+15°C
18.1
63%
1003
14:00
+16°C
18.1
58%
1003
15:00
+16°C
18
56%
1004
16:00
+16°C
17.4
57%
1004
17:00
+15°C
16.5
61%
1004
18:00
+15°C
15.5
66%
1004
19:00
+14°C
14.3
73%
1004
20:00
+13°C
13.6
79%
1004
21:00
+12°C
13.1
84%
1004
22:00
+12°C
12.9
86%
1004
23:00
+11°C
13.1
88%
1005
07 September 2026, Monday
+9°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+10°C
13.6
90%
1005
01:00
+10°C
14.1
90%
1005
02:00
+10°C
14.5
90%
1006
03:00
+9°C
14.4
90%
1006
04:00
+9°C
13.7
89%
1006
05:00
+9°C
12.8
89%
1006
06:00
+9°C
11.5
88%
1006
07:00
+10°C
10.7
86%
1007
08:00
+10°C
10.4
84%
1007
09:00
+10°C
10.5
81%
1007
10:00
+11°C
11.2
77%
1007
11:00
+12°C
12.6
71%
1006
12:00
+14°C
14.1
65%
1006
13:00
+15°C
15.6
60%
1006
14:00
+16°C
16.5
57%
1005
15:00
+16°C
16.6
56%
1005
16:00
+16°C
15.6
57%
1005
17:00
+16°C
13.8
60%
1005
18:00
+15°C
11.7
65%
1005
19:00
+14°C
10.3
70%
1005
20:00
+14°C
9.6
75%
1005
21:00
+13°C
9.8
80%
1004
22:00
+12°C
10.1
83%
1004
23:00
+12°C
10.5
86%
1004
08 September 2026, Tuesday
+9°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
10.9
88%
1004
01:00
+10°C
11.2
90%
1004
02:00
+10°C
11.3
92%
1004
03:00
+10°C
11.3
93%
1005
04:00
+9°C
10.9
93%
1005
05:00
+9°C
10.3
93%
1005
06:00
+9°C
9.5
93%
1005
07:00
+10°C
8.6
92%
1005
08:00
+10°C
8.2
89%
1006
09:00
+10°C
8.3
86%
1006
10:00
+11°C
9.2
80%
1006
11:00
+12°C
10.8
72%
1006
12:00
+14°C
12.6
65%
1006
13:00
+15°C
14.5
59%
1006
14:00
+16°C
15.9
54%
1006
15:00
+16°C
16.7
52%
1006
16:00
+16°C
16.6
52%
1006
17:00
+16°C
15.6
53%
1006
18:00
+15°C
14.4
56%
1006
19:00
+15°C
13
60%
1006
20:00
+14°C
11.8
64%
1006
21:00
+13°C
11.1
68%
1006
22:00
+12°C
10.9
71%
1006
23:00
+12°C
11
75%
1006
09 September 2026, Wednesday
+9°C / +14°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
11.1
80%
1006
01:00
+10°C
11.5
84%
1006
02:00
+9°C
11.6
88%
1006
03:00
+9°C
11.3
92%
1006
04:00
+9°C
10.6
94%
1006
05:00
+9°C
9.4
95%
1006
06:00
+9°C
8.2
97%
1006
07:00
+9°C
6.8
97%
1006
08:00
+9°C
5.3
96%
1006
09:00
+9°C
3.7
94%
1006
10:00
+10°C
2.3
90%
1006
11:00
+11°C
1.3
85%
1005
12:00
+12°C
2.4
79%
1005
13:00
+12°C
4
74%
1005
14:00
+13°C
5.8
70%
1005
15:00
+14°C
7.3
68%
1004
16:00
+14°C
9
69%
1004
17:00
+14°C
11.4
71%
1003
18:00
+14°C
14.5
74%
1003
19:00
+14°C
17.6
78%
1002
20:00
+13°C
19.7
82%
1001
21:00
+13°C
20.4
85%
1000
22:00
+14°C
19.3
87%
1000
23:00
+14°C
17.4
89%
999
10 September 2026, Thursday
+14°C / +18°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+14°C
15.6
91%
998
01:00
+14°C
15.2
93%
997
02:00
+15°C
15.9
94%
996
03:00
+15°C
16.8
95%
995
04:00
+15°C
16.9
95%
995
05:00
+15°C
16
94%
995
06:00
+15°C
15.3
93%
996
07:00
+15°C
14.7
91%
996
08:00
+15°C
14.8
89%
996
09:00
+15°C
15.7
87%
997
10:00
+15°C
17.1
85%
997
11:00
+15°C
19.1
82%
998
12:00
+16°C
21.4
79%
998
13:00
+17°C
23.9
76%
999
14:00
+17°C
26.1
74%
999
15:00
+17°C
27.6
72%
999
16:00
+18°C
28
72%
999
17:00
+18°C
28
72%
999
18:00
+17°C
27.8
73%
999
19:00
+17°C
27.4
74%
999
20:00
+17°C
27
75%
999
21:00
+17°C
26.9
77%
999
22:00
+17°C
26.8
79%
999
23:00
+16°C
26.9
82%
999
11 September 2026, Friday
+12°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
26.8
86%
998
01:00
+15°C
26.9
89%
998
02:00
+15°C
27
92%
998
03:00
+15°C
26.9
92%
998
04:00
+15°C
26.4
91%
998
05:00
+15°C
25.7
88%
998
06:00
+15°C
24.8
85%
998
07:00
+15°C
23.8
81%
997
08:00
+16°C
23.2
77%
997
09:00
+16°C
23.2
74%
997
10:00
+16°C
24
71%
998
11:00
+16°C
25.5
68%
998
12:00
+16°C
27.4
65%
998
13:00
+16°C
29
63%
998
14:00
+16°C
29.9
61%
998
15:00
+16°C
29.9
61%
998
16:00
+16°C
28.3
62%
999
17:00
+15°C
25.6
65%
999
18:00
+14°C
22.6
69%
999
19:00
+13°C
19.7
73%
999
20:00
+13°C
17.7
77%
1000
21:00
+12°C
16.4
81%
1000
22:00
+12°C
15.7
83%
1000
23:00
+12°C
15.3
84%
1001
12 September 2026, Saturday
+11°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
15.1
84%
1001
01:00
+11°C
15.2
85%
1002
02:00
+11°C
15.2
85%
1002
03:00
+11°C
15.1
85%
1003
04:00
+11°C
14.8
86%
1003
05:00
+12°C
14.6
87%
1004
06:00
+12°C
14.4
87%
1004
07:00
+12°C
14.3
87%
1004
08:00
+12°C
14.2
86%
1005
09:00
+12°C
14
84%
1005
10:00
+13°C
13.5
80%
1005
11:00
+14°C
12.9
75%
1006
12:00
+15°C
12.1
69%
1006
13:00
+15°C
11.2
64%
1006
14:00
+16°C
10.4
60%
1006
15:00
+16°C
9.7
58%
1007
16:00
+16°C
9.1
59%
1007
17:00
+16°C
8.6
61%
1007
18:00
+15°C
8
64%
1007
19:00
+14°C
7.9
68%
1007
20:00
+14°C
7.9
72%
1007
21:00
+13°C
8.2
75%
1007
22:00
+13°C
8.6
77%
1007
23:00
+12°C
9.3
80%
1008
13 September 2026, Sunday
+10°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
10.1
82%
1008
01:00
+11°C
10.8
84%
1008
02:00
+10°C
11.4
86%
1008
03:00
+10°C
12
86%
1008
04:00
+10°C
12.2
87%
1009
05:00
+10°C
12.1
88%
1009
06:00
+10°C
12.1
89%
1010
07:00
+10°C
11.9
89%
1010
08:00
+10°C
11.7
87%
1011
09:00
+11°C
11.7
84%
1011
10:00
+11°C
11.6
79%
1012
11:00
+12°C
11.8
72%
1012
12:00
+13°C
12.1
65%
1012
13:00
+14°C
12.3
59%
1013
14:00
+15°C
12.7
54%
1013
15:00
+16°C
13.1
52%
1013
16:00
+16°C
13.4
51%
1014
17:00
+15°C
13.9
51%
1014
18:00
+15°C
14.3
53%
1014
19:00
+14°C
14.7
55%
1015
20:00
+13°C
14.8
57%
1015
21:00
+12°C
14.7
60%
1016
22:00
+12°C
14.4
62%
1016
23:00
+11°C
14
65%
1016


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