September weather forecastLe Plessis-Bouchard, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Le Plessis-Bouchard, France, with an average temperature fluctuating between 11.7°C (53.1°F) and 20.9°C (69.6°F).Temperature
As Le Plessis-Bouchard enters September, the average high-temperature subtly lowers from the a warm 24.5°C (76.1°F) of August to a pleasant 20.9°C (69.6°F). Le Plessis-Bouchard temperatures generally rest at a low of 11.7°C (53.1°F) during the September nights.Humidity
The average relative humidity in September in Le Plessis-Bouchard is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.6 days and typically collects 6mm (0.24") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Le Plessis-Bouchard, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:08 and sunset at 20:33. On the last day of September, sunrise is at 07:49 and sunset at 19:31 CEST.
Sunshine
In Le Plessis-Bouchard, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index in Le Plessis-Bouchard is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Le Plessis-Bouchard, France
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in September
Le Plessis-Bouchard, 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 (1013.3mbar).
Average wind speed in September
Le Plessis-Bouchard, France
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Le Plessis-Bouchard, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Le Plessis-Bouchard, France
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (6mm).
Average rainfall days in September
Le Plessis-Bouchard, France
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is September (7.6 days).
Average snowfall in September
Le Plessis-Bouchard, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Le Plessis-Bouchard, 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
Le Plessis-Bouchard, France
- Average daylight in September: 12h and 36min
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 18min).
- Average sunshine in September: 7h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Le Plessis-Bouchard, France
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are February and July (14.3 days).
Average UV index in September
Le Plessis-Bouchard, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Le Plessis-Bouchard, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in September
Le Plessis-Bouchard, 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).
