September weather forecastCastellina in Chianti, Italy
September
Weather in September
September, the first month of the autumn in Castellina in Chianti, is still a warm month, with temperature in the range of an average high of 24.5°C (76.1°F) and an average low of 13.2°C (55.8°F).Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's tropical 30.3°C (86.5°F) to a warm 24.5°C (76.1°F). Castellina in Chianti experiences an average nighttime temperature of 13.2°C (55.8°F) in the month of September.Humidity
In Castellina in Chianti, the average relative humidity in September is 72%.Rainfall
In September, in Castellina in Chianti, the rain falls for 9.4 days. Throughout September, 35mm (1.38") of precipitation is accumulated. In Castellina in Chianti, during the entire year, the rain falls for 123.6 days and collects up to 363mm (14.29") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 06:39 and sunset at 19:50. On the last day of September, in Castellina in Chianti, sunrise is at 07:11 and sunset at 18:57 CEST.
Sunshine
In Castellina in Chianti, Italy, the average sunshine in September is 10.4h.UV index
In September, the average daily maximum UV index in Castellina in Chianti is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castellina in Chianti, Italy
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Castellina in Chianti, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Castellina in Chianti, Italy
- Average wind speed in September: 8km/h
The windiest months (with the highest average wind speed) are February and March (10.8km/h).
The calmest month (with the lowest average wind speed) is June (7.1km/h).
Average humidity in September
Castellina in Chianti, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Castellina in Chianti, Italy
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in September
Castellina in Chianti, Italy
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in September
Castellina in Chianti, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Castellina in Chianti, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Castellina in Chianti, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Castellina in Chianti, Italy
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in September
Castellina in Chianti, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Castellina in Chianti, Italy
- Average cloud cover in September: 23
The months with the most cloud cover are January, February and November (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Castellina in Chianti, Italy
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and December (9km).
The months with the lowest visibility are January, October and November (8km).
