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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 24.6°C (76.3°F) to a pleasant 20.9°C (69.6°F). During the month of September, an average temperature of 11.7°C (53.1°F) is noted during the nights.Humidity
In Sceaux, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 9.6 days and accumulates 18mm (0.71") of precipitation.Snowfall
April through October are months without snowfall in Sceaux.Daylight
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 20:32. On the last day of September, sunrise is at 07:49 and sunset at 19:31 CEST.
Sunshine
In Sceaux, the average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Sceaux is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the temperature in September in Sceaux?
What is the average humidity in September in Sceaux?
What is the driest month in Sceaux?
How many days does it rain in September in Sceaux?
When it does not snow in Sceaux?
How many hours of daylight does Sceaux have in September?
What time are sunrise and sunset in September in Sceaux?
How long on average sun shines in September in Sceaux?
What is the UV index reading in September in Sceaux?
Average temperature in September
Sceaux, France
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is August (24.6°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 (14.9°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Sceaux, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Sceaux, France
- Average wind speed in September: 10.4km/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
Sceaux, France
- Average humidity in September: 72%
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
Sceaux, France
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Sceaux, France
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Sceaux, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sceaux, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.3 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
Sceaux, 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 18min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Sceaux, France
- Average sunshine days in September: 18.5 days
The months with the most sunshine days are March and September (18.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Sceaux, 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
Sceaux, France
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Sceaux, 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).
Sceaux, France
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