Siena Weather Conditions
Current Temperature Level
25 °C
53 AQI
Air quality index is: Moderate
Last Updated: 2025-09-29 15:00 (Local Time)
MapSiena
Siena Weather Parameters
13 km/h
4 m/s
290° WNW
25 %
10 km
0 mm
1016 mb
UV Index4
Suggestions for
TodaySiena29 Sep.
Umbrella• Optional
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplyTrending in Italy
Air Quality Monitoring for Logistics: Smarter Deliveries with Data
Siena 10-Days Weather Forecast
Today
19°C
61 %Tuesday
19°C63 %Wednesday
19°C62 %Thursday
15°C51 %Friday
14°C48 %Saturday
15°C62 %Sunday
20°C72 %Monday
19°C61 %Tuesday
18°C60 %Wednesday
18°C60 %Sunny
Clear Sky with temperature at 19 °C and humidity will be at 61% with 14.8 km/h winds.24°C / 14°C
Humi.61 %
Prec.0 mm
Sunrise
07:11 AM11hrs 49min
Sunset
07:00 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
16 °C
68 %
0
14 kmph / NNE
Clear 
Feels 16.1 °C
Cover 9 %
Visibility 10 km
1 AM
Clear
16 °C
69 %
0
14 kmph / NNE
Clear Feels 15.8 °C
Cover 8 %
Visibility 10 km
2 AM
Clear
16 °C
70 %
0
13 kmph / NNE
Clear Feels 15.5 °C
Cover 5 %
Visibility 10 km
3 AM
Clear
15 °C
70 %
0
12.2 kmph / N
Clear Feels 15.3 °C
Cover 4 %
Visibility 10 km
4 AM
Clear
15 °C
73 %
0
13 kmph / NNE
Clear Feels 14.1 °C
Cover 4 %
Visibility 10 km
5 AM
Clear
14 °C
75 %
0
12.6 kmph / NNE
Clear Feels 13.6 °C
Cover 3 %
Visibility 10 km
6 AM
Clear
14 °C
75 %
0
11.9 kmph / NNE
Clear Feels 13.4 °C
Cover 4 %
Visibility 10 km
7 AM
Clear
15 °C
74 %
0
11.2 kmph / NNE
Clear Feels 14.3 °C
Cover 5 %
Visibility 10 km
8 AM
Sunny
17 °C
66 %
0.1
11.9 kmph / NNE
SunnyFeels 17 °C
Cover 6 %
Visibility 10 km
9 AM
Sunny
19 °C
58 %
0.6
13 kmph / NNE
SunnyFeels 19 °C
Cover 5 %
Visibility 10 km
10 AM
Sunny
21 °C
52 %
1.5
13.3 kmph / NNE
SunnyFeels 20.9 °C
Cover 4 %
Visibility 10 km
11 AM
Sunny
22 °C
46 %
2.8
12.2 kmph / NNE
SunnyFeels 24.4 °C
Cover 3 %
Visibility 10 km
12 PM
Sunny
24 °C
41 %
4
10.4 kmph / NNE
SunnyFeels 24.7 °C
Cover 3 %
Visibility 10 km
1 PM
Sunny
24 °C
41 %
4.7
6.5 kmph / N
SunnyFeels 25 °C
Cover 5 %
Visibility 10 km
2 PM
Sunny
24 °C
43 %
4.5
10.1 kmph / WNW
SunnyFeels 24.9 °C
Cover 18 %
Visibility 10 km
3 PM
Sunny
25 °C
47 %
3.5
13 kmph / WNW
SunnyFeels 24.9 °C
Cover 25 %
Visibility 10 km
4 PM
Sunny
24 °C
45 %
2.2
14 kmph / WNW
SunnyFeels 24.8 °C
Cover 19 %
Visibility 10 km
5 PM
Sunny
23 °C
52 %
1.1
14.8 kmph / WNW
SunnyFeels 24.6 °C
Cover 19 %
Visibility 10 km
6 PM
Sunny
20 °C
62 %
0.3
10.8 kmph / WNW
SunnyFeels 19.7 °C
Cover 19 %
Visibility 10 km
7 PM
Clear
19 °C
66 %
0
7.9 kmph / NW
Clear Feels 18.6 °C
Cover 20 %
Visibility 10 km
8 PM
Clear
18 °C
68 %
0
6.1 kmph / N
Clear Feels 18.1 °C
Cover 20 %
Visibility 10 km
9 PM
Clear
18 °C
67 %
0
5.4 kmph / NNE
Clear Feels 17.7 °C
Cover 21 %
Visibility 10 km
10 PM
Clear
17 °C
66 %
0
6.1 kmph / NNE
Clear Feels 17.5 °C
Cover 17 %
Visibility 10 km
11 PM
Clear
17 °C
65 %
0
6.8 kmph / NNE
Clear Feels 17.1 °C
Cover 12 %
Visibility 10 km
Today
19°C61 %Tuesday
19°C63 %Wednesday
19°C62 %Thursday
15°C51 %Friday
14°C48 %Saturday
15°C62 %Sunday
20°C72 %Monday
19°C61 %Tuesday
18°C60 %Wednesday
18°C60 %Temp24 °C
ConditionSunny
Humidity45 %
Feels24.8 °C
Cover19 %
Visibility10 km
Wind Speed & Dir.14 kmph / WNW
UV2.2
Siena 30-Days (September 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Mon.
27°19 °C
2Tue.
27°19 °C
3Wed.
25°17 °C
4Thu.
27°18 °C
5Fri.
28°18 °C
6Sat.
27°18 °C
7Sun.
27°18 °C
8Mon.
26°19 °C
9Tue.
27°20 °C
10Wed.
23°19 °C
11Thu.
26°18 °C
12Fri.
26°18 °C
13Sat.
26°18 °C
14Sun.
25°19 °C
15Mon.
26°19 °C
16Tue.
26°19 °C
17Wed.
28°19 °C
18Thu.
27°18 °C
19Fri.
28°20 °C
20Sat.
28°21 °C
21Sun.
27°20 °C
22Mon.
25°20 °C
23Tue.
24°18 °C
24Wed.
23°16 °C
25Thu.
23°16 °C
26Fri.
23°14 °C
27Sat.
22°15 °C
28Sun.
24°16 °C
29Today
24°14 °C
30Tue.
22°15 °C
SeptemberWeather Overview
No. of days:
Sunny
20
Cloudy
1
Rainy
9
Snowy
0
The monthly weather averages in Siena consist of 20 sunny days, 1 cloudy days, 9 rainy days, and 0 snowy days.
Siena's Locations Weather Conditions
Italy's Hottest Cities - September 2025
1.
Napoli, Italy
Sunny
34%
4.8
12.2 kmph / SW
2.
Giugliano In Campania, Italy
Partly Cloudy
34%
4.8
10.4 kmph / WSW
3.
Naples, Italy
Partly Cloudy
34%
4.8
10.4 kmph / WSW
4.
Benevento, Italy
Sunny
34%
4.7
3.6 kmph / NNW
5.
Caserta, Italy
Partly Cloudy
34%
4.8
10.4 kmph / WSW
6.
Cagliari, Italy
Sunny
28%
5.5
14 kmph / WNW
7.
Ferrara, Italy
Sunny
44%
4
5.8 kmph / E
8.
Salerno, Italy
Sunny
51%
4.7
11.5 kmph / SW
9.
Avigliano, Italy
Patchy rain nearby
51%
4.3
10.1 kmph / WSW
10.
Florence, Italy
Partly cloudy
36%
4.3
5 kmph / W
Last Updated: 29 Sept 2025, 01:19 PM
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