Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September involves a subtle temperature drop, shifting from a warm 23.4°C (74.1°F) in August to an agreeable 20.1°C (68.2°F). La Chapelle-Fortin encounters an average low-temperature of 11.1°C (52°F) during September nights.Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.7 days and typically collects 23mm (0.91") of precipitation.Snowfall
May through October are months without snowfall in La Chapelle-Fortin.Daylight
In La Chapelle-Fortin, France, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 07:14 and sunset at 20:38. On the last day of the month, sunrise is at 07:55 and sunset at 19:37 CEST.
Sunshine
The average sunshine in September is 7.6h.UV index
In La Chapelle-Fortin, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are September temperatures in La Chapelle-Fortin?
What is the average humidity in September in La Chapelle-Fortin?
What is the driest month in La Chapelle-Fortin?
How many days does it rain in September in La Chapelle-Fortin?
When it does not snow in La Chapelle-Fortin?
What is the average length of the day in September in La Chapelle-Fortin?
When is the sunrise / sunset in September in La Chapelle-Fortin?
How long on average sun shines in September in La Chapelle-Fortin?
How high is the UV index in September in La Chapelle-Fortin?
Average temperature in September
La Chapelle-Fortin, France
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
La Chapelle-Fortin, France
- Average pressure in September: 1018.1mbar
The months with the highest atmospheric pressure are September and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
La Chapelle-Fortin, France
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
La Chapelle-Fortin, France
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
La Chapelle-Fortin, France
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
La Chapelle-Fortin, France
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
La Chapelle-Fortin, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
La Chapelle-Fortin, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 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
La Chapelle-Fortin, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
La Chapelle-Fortin, France
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
La Chapelle-Fortin, 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
La Chapelle-Fortin, France
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
La Chapelle-Fortin, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, May and June (8km).
La Chapelle-Fortin, France
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