September weather forecastLe Périer, France
September
Weather in September
September, the first month of the autumn in Le Périer, is still a mild month, with an average temperature varying between 14.1°C (57.4°F) and 4.7°C (40.5°F).Temperature
September signals a slight drop in average high-temperature, sliding from August's comfortable 18.3°C (64.9°F) to a moderate 14.1°C (57.4°F). The average low-temperature of 4.7°C (40.5°F) is witnessed during September.Humidity
The average relative humidity in September is 81%.Rainfall
The months with the least rainfall in Le Périer are January and September Rain falls for 11.8 days and accumulates 29mm (1.14") of rain.Snowfall
June through September are months without snowfall in Le Périer, France.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Le Périer, sunrise is at 06:58 and sunset at 20:13. On the last day of the month, sunrise is at 07:33 and sunset at 19:18 CEST.
Sunshine
In September, the average sunshine in Le Périer is 8.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Le Périer, France
- Average high temperature in September: 14.1°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The months with the lowest average high temperature are January and February (-0.8°C).
- Average low temperature in September: 4.7°C
The month with the highest average low temperature is August (7.4°C).
The coldest month (with the lowest average low temperature) is February (-9.8°C).
Average pressure in September
Le Périer, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Le Périer, France
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (9.6km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in September
Le Périer, France
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Le Périer, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (67mm).
The driest months (with the least rainfall) are January and September (29mm).
Average rainfall days in September
Le Périer, France
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Le Périer, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (267mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Le Périer, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Le Périer, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Le Périer, France
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Le Périer, France
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Le Périer, France
- Average cloud cover in September: 39
The months with the most cloud cover are February and May (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Le Périer, France
- Average visibility in September: 8km
The months with the highest visibility are June, July, August, September, October and December (8km).
The months with the lowest visibility are January, February, March, April, May and November (7km).
