September weather forecastCastelfranc, France
September
Weather in September
The first month of the autumn, September, is still a warm month in Castelfranc, France, with temperature in the range of an average low of 12.1°C (53.8°F) and an average high of 24.1°C (75.4°F).Temperature
Castelfranc's progression into September involves a gentle drop in the average high-temperature, from 28°C (82.4°F) in August to a still moderately hot 24.1°C (75.4°F). Despite the stark contrast with daytime temperatures, Castelfranc's September nights average at a fresh 12.1°C (53.8°F).Humidity
In Castelfranc, the average relative humidity in September is 71%.Rainfall
September is the month with the least rainfall in Castelfranc. Rain falls for 10.1 days and accumulates 24mm (0.94") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 07:18 and sunset at 20:31. On the last day of the month, sunrise is at 07:52 and sunset at 19:37 CEST.
Sunshine
In Castelfranc, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castelfranc, France
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in September: 12.1°C
The months with the highest average low temperature are July and August (15°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in September
Castelfranc, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in September
Castelfranc, France
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is March (10.5km/h).
The calmest months (with the lowest average wind speed) are August and September (7.6km/h).
Average humidity in September
Castelfranc, France
- Average humidity in September: 71%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Castelfranc, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Castelfranc, France
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is September (10.1 days).
Average snowfall in September
Castelfranc, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Castelfranc, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 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
Castelfranc, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Castelfranc, France
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in September
Castelfranc, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Castelfranc, France
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Castelfranc, France
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and December (7km).
