September weather forecastCastelgaillard, France
September
Weather in September
The first month of the autumn, September, is still a warm month in Castelgaillard, France, with an average temperature fluctuating between 13.2°C (55.8°F) and 24.4°C (75.9°F).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's warm 27.8°C (82°F) to a still moderately hot 24.4°C (75.9°F). In September, Castelgaillard reports a consistent average low-temperature of 13.2°C (55.8°F) during the nights.Humidity
In September, the average relative humidity in Castelgaillard is 68%.Rainfall
September is the month with the least rainfall in Castelgaillard. Rain falls for 9.9 days and accumulates 22mm (0.87") of precipitation.Snowfall
In Castelgaillard, snow does not fall in April through October.Daylight
In Castelgaillard, France, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 07:21 and sunset at 20:31. On the last day of September, in Castelgaillard, sunrise is at 07:53 and sunset at 19:39 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Castelgaillard, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castelgaillard, France
- Average high temperature in September: 24.4°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 13.2°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 (2.8°C).
Average pressure in September
Castelgaillard, France
- Average pressure in September: 1018.4mbar
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
Castelgaillard, France
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in September
Castelgaillard, France
- Average humidity in September: 68%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Castelgaillard, France
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is May (52mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in September
Castelgaillard, France
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in September
Castelgaillard, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Castelgaillard, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Castelgaillard, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Castelgaillard, France
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in September
Castelgaillard, France
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 2).
Average cloud cover in September
Castelgaillard, France
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Castelgaillard, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





