Measurements:
°C
°F
Siena
54°F
SW 1 mph
Feels like: 54°F
Precip: 0%
World Resorts Italy Siena Weather September Weather in Siena

Siena Weather: September

Average Day Temperature: 81.2°F
Average Night Temperature: 59.5°F
Number of Sunny Days: 20 days
Sunshine Hours: 11.8 - 13.2 hours
Number of Rainy Days: 4 days
Precipitation Totals: 1.9 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 96°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 78.0°F и 59.9°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Siena is 1.9 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.4 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Siena in September is 9.5 hours.

Best Time to Visit Siena
The most sunny months:
July 27 days
August 27 days
June 23 days
The most warm months:
August 93.1 °F
July 92.8 °F
June 84.1 °F
The most cold months:
January 47.2 °F
December 49.5 °F
February 50.6 °F
The most rainy months:
May 5 days
November 5 days
June 5 days
The most windy months:
March 6 mph
February 6 mph
April 6 mph

Siena on the Weather Map

Italy Resorts:
NAME
Amalfi +62
Bari +64
Bibione +54
Cagliari +66
Florence +60
Genoa +54
Lido di Jesolo +58
Naples +68
Palermo +60
Rimini +56
Rome +64
Scalea +52
Sicily +62
Tropea +62
Venice +58
24 Hours Weather Forecast
Siena
Local time: 17:47
05 nov, tuesday
1800 54°F
SW
1 mph
2100 50°F
SW
2 mph
06 nov, wednesday
0000 50°F
SW
2 mph
0300 48°F
W
2 mph
0600 46°F
W
2 mph
0900 54°F
W
2 mph
1200 62°F
W
2 mph
1500 64°F
W
2 mph