September weather forecastCastelfranci, Italy
September
Weather in September
September, the first month of the autumn in Castelfranci, is still a warm month, with an average temperature fluctuating between 25.2°C (77.4°F) and 16.1°C (61°F).Temperature
The onset of September results in a decrease in the average high-temperature, receding from a tropical 30.6°C (87.1°F) in August to a warm 25.2°C (77.4°F). The average low-temperature of 16.1°C (61°F) is witnessed in Castelfranci, Italy, during September.Humidity
In Castelfranci, the average relative humidity in September is 67%.Rainfall
In Castelfranci, Italy, during September, the rain falls for 12.5 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, in Castelfranci, there are 151.8 rainfall days, and 554mm (21.81") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Castelfranci.Daylight
In Castelfranci, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:27 and sunset at 19:32. On the last day of September, in Castelfranci, sunrise is at 06:55 and sunset at 18:43 CEST.
Sunshine
In September, the average sunshine in Castelfranci, Italy, is 10.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castelfranci, Italy
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (10.1°C).
- Average low temperature in September: 16.1°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in September
Castelfranci, Italy
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Castelfranci, Italy
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Castelfranci, Italy
- Average humidity in September: 67%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Castelfranci, Italy
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (85mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Castelfranci, Italy
- Average rainfall days in September: 12.5 days
The months with the highest number of rainy days are January and March (15.8 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in September
Castelfranci, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Castelfranci, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Castelfranci, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Castelfranci, Italy
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in September
Castelfranci, 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, February, November and December (UV index 3).
Average cloud cover in September
Castelfranci, Italy
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Castelfranci, Italy
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).
