September weather forecastCaëstre, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Caëstre, France, with an average temperature fluctuating between 19.5°C (67.1°F) and 11.8°C (53.2°F).Temperature
With the onset of September, Caëstre's climate undergoes a slight change as the average high-temperature moves from an agreeable 22.7°C (72.9°F) in August to an enjoyable 19.5°C (67.1°F). Nighttime temperature in Caëstre, France, dips to a mean of 11.8°C (53.2°F) during September.Humidity
In September, the average relative humidity in Caëstre is 77%.Rainfall
September is the month with the least rainfall in Caëstre. Rain falls for 7.5 days and accumulates 12mm (0.47") of precipitation.Snowfall
In Caëstre, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 07:04 and sunset at 20:34. On the last day of September, sunrise is at 07:49 and sunset at 19:29 CEST.
Sunshine
In September, the average sunshine in Caëstre is 7.3h.UV index
In September, the average daily maximum UV index in Caëstre is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Caëstre, France
- Average high temperature in September: 19.5°C
The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Caëstre, France
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in September
Caëstre, France
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).
Average humidity in September
Caëstre, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Caëstre, France
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in September
Caëstre, France
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is September (7.5 days).
Average snowfall in September
Caëstre, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Caëstre, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 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
Caëstre, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in September
Caëstre, France
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The months with the least sunshine days are February and December (8.5 days).
Average UV index in September
Caëstre, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Caëstre, France
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Caëstre, 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).
