September weather forecastCastelmayran, France
September
Weather in September
The first month of the autumn, September, is still a warm month in Castelmayran, France, with an average temperature ranging between min 13.3°C (55.9°F) and max 25°C (77°F).Temperature
With the onset of September, Castelmayran experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 28.8°C (83.8°F) in August to a still moderately hot 25°C (77°F). Castelmayran's nighttime temperature in September falls to an average of 13.3°C (55.9°F).Humidity
The average relative humidity in September is 67%.Rainfall
September is the month with the least rainfall in Castelmayran, France. Rain falls for 7 days and accumulates 10mm (0.39") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September in Castelmayran, France, sunrise is at 07:19 and sunset at 20:31. On the last day of the month, sunrise is at 07:52 and sunset at 19:38 CEST.
Sunshine
In September, the average sunshine in Castelmayran is 8.6h.UV index
In Castelmayran, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castelmayran, France
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
Castelmayran, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Castelmayran, France
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in September
Castelmayran, France
- Average humidity in September: 67%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Castelmayran, France
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is May (42mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Castelmayran, France
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is September (7 days).
Average snowfall in September
Castelmayran, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Castelmayran, France
- 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 April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Castelmayran, France
- 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: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Castelmayran, France
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
Castelmayran, France
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Castelmayran, France
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Castelmayran, France
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).
