Siena monthly weather forecast

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

31 August 2026, Monday
+16°C / +34°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+20°C
3.7
71%
999
01:00
+19°C
4
82%
999
02:00
+17°C
3.6
89%
999
03:00
+17°C
3.6
95%
999
04:00
+16°C
2.9
98%
999
05:00
+16°C
2.4
99%
999
06:00
+16°C
1.8
100%
999
07:00
+16°C
1.3
100%
999
08:00
+18°C
0.5
94%
999
09:00
+22°C
1.3
81%
999
10:00
+25°C
3.2
71%
1000
11:00
+27°C
5
62%
1000
12:00
+30°C
6.6
50%
999
13:00
+32°C
8.5
44%
999
14:00
+33°C
10.4
40%
999
15:00
+34°C
15.8
38%
998
16:00
+33°C
17.4
33%
998
17:00
+32°C
16.6
37%
998
18:00
+30°C
15.4
45%
998
19:00
+29°C
12.2
50%
998
20:00
+26°C
8.2
64%
999
21:00
+24°C
3.7
76%
999
22:00
+23°C
3.7
84%
1000
23:00
+22°C
1.5
88%
1000
01 September 2026, Tuesday
+17°C / +35°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+21°C
1.6
90%
1001
01:00
+20°C
1.6
90%
1001
02:00
+20°C
1.8
92%
1001
03:00
+19°C
1.5
96%
1000
04:00
+18°C
2.1
100%
1000
05:00
+18°C
2.3
100%
1000
06:00
+17°C
1.8
100%
1000
07:00
+17°C
1.5
100%
1001
08:00
+19°C
1.1
95%
1001
09:00
+22°C
1.5
80%
1001
10:00
+26°C
1.3
65%
1002
11:00
+28°C
1.1
59%
1001
12:00
+31°C
3.2
48%
1002
13:00
+33°C
2.6
44%
1001
14:00
+35°C
10
29%
1001
15:00
+35°C
15.7
28%
1000
16:00
+34°C
18.1
27%
1000
17:00
+33°C
17.6
31%
1000
18:00
+32°C
15
38%
1000
19:00
+30°C
11.9
45%
1000
20:00
+28°C
7.9
56%
1000
21:00
+26°C
4.6
63%
1001
22:00
+24°C
2
69%
1001
23:00
+23°C
2.5
74%
1001
02 September 2026, Wednesday
+17°C / +34°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+22°C
2.3
82%
1001
01:00
+21°C
2.6
89%
1002
02:00
+20°C
2.6
96%
1001
03:00
+19°C
3.3
100%
1001
04:00
+18°C
1.9
100%
1001
05:00
+17°C
2.2
100%
1001
06:00
+17°C
1.8
100%
1001
07:00
+17°C
2.3
100%
1001
08:00
+17°C
2.1
100%
1002
09:00
+20°C
2.2
87%
1002
10:00
+24°C
1.9
67%
1003
11:00
+28°C
2.7
46%
1003
12:00
+30°C
3.4
36%
1002
13:00
+32°C
4.8
32%
1002
14:00
+33°C
4.8
30%
1001
15:00
+34°C
9.2
32%
1000
16:00
+33°C
13
34%
1000
17:00
+32°C
15.2
39%
1000
18:00
+31°C
16.3
42%
1000
19:00
+29°C
14.4
41%
1000
20:00
+26°C
7.7
48%
1000
21:00
+24°C
2.5
56%
1000
22:00
+22°C
3.6
66%
1001
23:00
+20°C
3.8
76%
1001
03 September 2026, Thursday
+17°C / +34°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+19°C
2.9
82%
1001
01:00
+18°C
3.2
84%
1001
02:00
+17°C
2.9
90%
1001
03:00
+17°C
2.5
95%
1001
04:00
+17°C
2.2
98%
1001
05:00
+17°C
2.6
100%
1001
06:00
+17°C
1.4
100%
1001
07:00
+17°C
1.3
99%
1002
08:00
+19°C
0.8
97%
1002
09:00
+22°C
1.5
83%
1003
10:00
+26°C
2.9
68%
1003
11:00
+29°C
7.4
54%
1003
12:00
+31°C
13.4
36%
1002
13:00
+33°C
13.8
35%
1002
14:00
+33°C
14.2
30%
1002
15:00
+34°C
15.4
27%
1001
16:00
+34°C
15.9
25%
1001
17:00
+34°C
16.1
26%
1001
18:00
+32°C
16.4
29%
1001
19:00
+30°C
16.6
33%
1001
20:00
+29°C
15.3
38%
1002
21:00
+27°C
10.8
43%
1002
22:00
+25°C
4.6
48%
1003
23:00
+23°C
2.6
53%
1003
04 September 2026, Friday
+15°C / +36°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+22°C
3.1
58%
1004
01:00
+20°C
2.3
63%
1004
02:00
+19°C
1.9
68%
1004
03:00
+18°C
1.9
74%
1004
04:00
+16°C
2.3
81%
1004
05:00
+16°C
2.3
85%
1003
06:00
+15°C
2.3
87%
1004
07:00
+15°C
2.6
86%
1004
08:00
+16°C
2.4
80%
1004
09:00
+19°C
1.6
66%
1005
10:00
+25°C
3.1
47%
1005
11:00
+29°C
4.9
32%
1005
12:00
+32°C
6.3
25%
1004
13:00
+33°C
7.8
22%
1004
14:00
+35°C
8
20%
1003
15:00
+35°C
6.6
18%
1003
16:00
+36°C
3.8
17%
1002
17:00
+35°C
1.5
18%
1002
18:00
+33°C
2.2
21%
1002
19:00
+31°C
5.9
26%
1002
20:00
+28°C
7.9
33%
1002
21:00
+26°C
7.3
43%
1003
22:00
+23°C
5.5
54%
1004
23:00
+21°C
3.8
64%
1004
05 September 2026, Saturday
+16°C / +35°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+19°C
3.2
71%
1004
01:00
+18°C
2.9
76%
1004
02:00
+17°C
2.9
79%
1004
03:00
+16°C
2.6
81%
1004
04:00
+16°C
1.9
81%
1004
05:00
+16°C
1.3
81%
1004
06:00
+17°C
1.6
77%
1004
07:00
+18°C
1.9
72%
1005
08:00
+19°C
2.4
67%
1005
09:00
+22°C
1
61%
1004
10:00
+26°C
2.3
48%
1004
11:00
+30°C
5.5
37%
1004
12:00
+32°C
8.5
32%
1004
13:00
+34°C
11.5
29%
1003
14:00
+35°C
14.1
27%
1003
15:00
+35°C
15.7
26%
1002
16:00
+35°C
17
25%
1002
17:00
+34°C
17
27%
1001
18:00
+33°C
14.4
32%
1001
19:00
+31°C
10.9
38%
1002
20:00
+29°C
7.4
45%
1002
21:00
+27°C
4.9
52%
1002
22:00
+25°C
2.5
60%
1003
23:00
+24°C
0.7
66%
1003
06 September 2026, Sunday
+17°C / +36°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
0.7
69%
1003
01:00
+23°C
1.8
72%
1003
02:00
+22°C
2.5
75%
1003
03:00
+20°C
3.3
82%
1003
04:00
+19°C
3.6
90%
1003
05:00
+18°C
4
95%
1003
06:00
+17°C
4
98%
1003
07:00
+17°C
4
98%
1004
08:00
+18°C
3.8
93%
1004
09:00
+21°C
3.1
81%
1004
10:00
+25°C
3.2
64%
1005
11:00
+29°C
3.2
49%
1005
12:00
+31°C
3.2
39%
1004
13:00
+33°C
3.3
32%
1004
14:00
+35°C
4.1
27%
1003
15:00
+35°C
5.8
24%
1003
16:00
+36°C
7.7
24%
1002
17:00
+35°C
9.1
27%
1002
18:00
+33°C
10.5
36%
1002
19:00
+30°C
11.3
48%
1002
20:00
+28°C
11.5
59%
1003
21:00
+26°C
9.2
67%
1003
22:00
+25°C
6
74%
1004
23:00
+24°C
4
80%
1004
07 September 2026, Monday
+20°C / +35°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
3.3
86%
1004
01:00
+22°C
3
91%
1004
02:00
+22°C
2.3
95%
1004
03:00
+21°C
2
96%
1004
04:00
+21°C
2.2
96%
1004
05:00
+21°C
2.5
96%
1004
06:00
+20°C
3
97%
1004
07:00
+20°C
3.3
97%
1004
08:00
+21°C
3
94%
1004
09:00
+23°C
1.6
84%
1005
10:00
+27°C
0.8
71%
1005
11:00
+29°C
2.9
59%
1005
12:00
+31°C
5.6
45%
1004
13:00
+33°C
8.2
33%
1003
14:00
+35°C
9
25%
1003
15:00
+35°C
8.1
20%
1003
16:00
+34°C
7.1
22%
1003
17:00
+33°C
6
25%
1002
18:00
+31°C
5.2
30%
1002
19:00
+30°C
5.2
36%
1002
20:00
+28°C
5.3
41%
1002
21:00
+27°C
5.1
46%
1002
22:00
+25°C
4.4
51%
1002
23:00
+24°C
3.4
57%
1002
08 September 2026, Tuesday
+19°C / +33°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
2.4
62%
1002
01:00
+22°C
1.5
67%
1002
02:00
+21°C
1
71%
1002
03:00
+20°C
1.1
76%
1002
04:00
+19°C
1.5
80%
1002
05:00
+19°C
2
83%
1002
06:00
+19°C
2.4
85%
1002
07:00
+19°C
2.8
84%
1002
08:00
+20°C
2.9
79%
1001
09:00
+22°C
3
68%
1001
10:00
+24°C
2.9
56%
1001
11:00
+27°C
2.8
44%
1001
12:00
+30°C
3.1
35%
1000
13:00
+32°C
3.7
29%
1000
14:00
+33°C
4.5
25%
1000
15:00
+33°C
5.6
24%
999
16:00
+33°C
7.1
24%
999
17:00
+32°C
8.7
25%
999
18:00
+31°C
10.2
27%
998
19:00
+29°C
11.1
29%
998
20:00
+28°C
11.3
31%
998
21:00
+27°C
10.4
34%
998
22:00
+25°C
8.7
38%
998
23:00
+24°C
6.5
42%
998
09 September 2026, Wednesday
+19°C / +33°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+22°C
4.2
48%
998
01:00
+21°C
2.4
53%
998
02:00
+20°C
1.3
57%
998
03:00
+20°C
1.2
61%
998
04:00
+19°C
1.5
64%
998
05:00
+19°C
1.7
67%
998
06:00
+19°C
2
69%
998
07:00
+19°C
2.3
68%
997
08:00
+20°C
2.3
66%
997
09:00
+22°C
2.1
60%
997
10:00
+24°C
1.7
51%
997
11:00
+27°C
1.4
43%
997
12:00
+30°C
1
36%
997
13:00
+32°C
0.4
32%
996
14:00
+33°C
0.4
30%
996
15:00
+33°C
1.2
30%
996
16:00
+33°C
2.3
31%
996
17:00
+32°C
3.4
34%
995
18:00
+30°C
4.6
38%
995
19:00
+29°C
5.5
42%
995
20:00
+28°C
5.7
46%
995
21:00
+27°C
5.5
50%
995
22:00
+25°C
4.8
55%
995
23:00
+24°C
3.8
61%
995
10 September 2026, Thursday
+20°C / +30°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
2.7
67%
995
01:00
+22°C
1.9
73%
996
02:00
+21°C
1.1
77%
996
03:00
+20°C
0.8
79%
996
04:00
+20°C
1.3
81%
996
05:00
+20°C
2.1
81%
996
06:00
+20°C
2.7
80%
996
07:00
+20°C
2.9
78%
996
08:00
+21°C
2.4
75%
996
09:00
+22°C
1.8
69%
996
10:00
+24°C
4
61%
996
11:00
+26°C
7.6
54%
996
12:00
+28°C
11.4
48%
996
13:00
+29°C
14.3
44%
996
14:00
+30°C
16
42%
996
15:00
+30°C
16.3
43%
996
16:00
+30°C
15.6
46%
996
17:00
+29°C
14.4
50%
996
18:00
+28°C
12.6
55%
995
19:00
+27°C
10.8
61%
995
20:00
+27°C
9.3
66%
995
21:00
+26°C
7.8
71%
995
22:00
+25°C
5.9
75%
996
23:00
+24°C
4.2
80%
996
11 September 2026, Friday
+20°C / +33°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+23°C
3.1
85%
996
01:00
+22°C
3.1
89%
996
02:00
+22°C
3.6
92%
996
03:00
+21°C
4.2
95%
996
04:00
+20°C
5.1
98%
996
05:00
+20°C
5.9
99%
996
06:00
+20°C
6.5
99%
996
07:00
+20°C
6.5
96%
996
08:00
+20°C
5.6
90%
996
09:00
+22°C
4.4
77%
996
10:00
+25°C
6.5
62%
996
11:00
+27°C
11.7
49%
996
12:00
+30°C
17.3
39%
995
13:00
+32°C
22.1
33%
995
14:00
+33°C
25.5
30%
995
15:00
+33°C
27.1
32%
995
16:00
+32°C
27.9
38%
995
17:00
+30°C
27.9
47%
995
18:00
+29°C
27
59%
995
19:00
+27°C
25.4
72%
995
20:00
+25°C
23
84%
995
21:00
+24°C
19.2
90%
996
22:00
+23°C
13.5
94%
996
23:00
+22°C
7.2
96%
996
12 September 2026, Saturday
+19°C / +28°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+21°C
1.1
96%
997
01:00
+20°C
4.3
96%
997
02:00
+19°C
7.3
97%
997
03:00
+19°C
7.9
97%
997
04:00
+19°C
6.9
97%
997
05:00
+20°C
4.7
97%
997
06:00
+20°C
2.4
95%
997
07:00
+21°C
1.7
93%
997
08:00
+21°C
3.1
91%
997
09:00
+22°C
4.4
87%
997
10:00
+24°C
6
81%
997
11:00
+25°C
7.5
75%
997
12:00
+26°C
8.9
70%
998
13:00
+27°C
10
66%
998
14:00
+28°C
10.6
64%
998
15:00
+28°C
10.7
63%
998
16:00
+28°C
10.3
64%
997
17:00
+27°C
9.8
66%
997
18:00
+26°C
8.9
69%
997
19:00
+25°C
8.1
72%
997
20:00
+25°C
7
74%
997
21:00
+24°C
5.6
77%
997
22:00
+23°C
4
81%
997
23:00
+22°C
3.1
85%
997
13 September 2026, Sunday
+20°C / +32°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+21°C
4
89%
998
01:00
+21°C
5.6
93%
998
02:00
+20°C
6.7
96%
998
03:00
+20°C
7.4
98%
998
04:00
+20°C
7.8
100%
998
05:00
+20°C
7.8
100%
997
06:00
+20°C
7.5
100%
997
07:00
+20°C
6.7
100%
997
08:00
+21°C
5.8
96%
997
09:00
+22°C
5.2
89%
997
10:00
+24°C
6.9
80%
996
11:00
+27°C
10.7
71%
996
12:00
+29°C
14.9
63%
996
13:00
+31°C
18.5
57%
996
14:00
+32°C
20.4
54%
996
15:00
+32°C
20.1
54%
995
16:00
+31°C
18
57%
995
17:00
+30°C
15.1
61%
995
18:00
+29°C
11.9
65%
995
19:00
+28°C
9.5
70%
995
20:00
+27°C
8.5
74%
994
21:00
+26°C
9.4
76%
994
22:00
+26°C
11.7
77%
994
23:00
+26°C
14.6
77%
994


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