September weather forecastLe Châtelet, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Le Châtelet, France, with an average temperature ranging between min 9.9°C (49.8°F) and max 20.9°C (69.6°F).Temperature
With the onset of September, Le Châtelet's climate undergoes a slight change as the average high-temperature moves from a warm 24.7°C (76.5°F) in August to an agreeable 20.9°C (69.6°F). An average low-temperature of 9.9°C (49.8°F) is observed during September nights in Le Châtelet.Humidity
In Le Châtelet, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall in Le Châtelet. Rain falls for 12 days and accumulates 31mm (1.22") of precipitation.Snowfall
April, June through September are months without snowfall in Le Châtelet.Daylight
In Le Châtelet, France, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 07:11 and sunset at 20:29. On the last day of September, in Le Châtelet, sunrise is at 07:48 and sunset at 19:32 CEST.
Sunshine
In Le Châtelet, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Make use of precautions - It is urged to ward off sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Le Châtelet, France
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 9.9°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in September
Le Châtelet, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Le Châtelet, France
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Le Châtelet, France
- Average humidity in September: 75%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Le Châtelet, France
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in September
Le Châtelet, France
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is September (12 days).
Average snowfall in September
Le Châtelet, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days in September
Le Châtelet, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Le Châtelet, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Le Châtelet, France
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in September
Le Châtelet, 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
Le Châtelet, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Le Châtelet, France
- Average visibility in September: 8km
The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).
