September weather forecast
Asnières-sous-Bois, France

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Weather in September

September, the first month of the autumn in Asnières-sous-Bois, is still a pleasant month, with temperature in the range of an average low of 11°C (51.8°F) and an average high of 20.7°C (69.3°F).

Temperature

A moderate decline in average high-temperatures is noted in September, moving from a warm 24.8°C (76.6°F) in August to a pleasant 20.7°C (69.3°F). An average temperature of 11°C (51.8°F) marks the nights in Asnières-sous-Bois, France, in September.

Humidity

In September, the average relative humidity in Asnières-sous-Bois, France, is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.9 days and accumulates 25mm (0.98") of precipitation.

Snowfall

April through October are months without snowfall in Asnières-sous-Bois, France.

Daylight

In September, the average length of the day in Asnières-sous-Bois is 12h and 34min.
On the first day of the month, sunrise is at 07:04 and sunset at 20:25. On the last day of September, in Asnières-sous-Bois, France, sunrise is at 07:43 and sunset at 19:26 CEST.

Sunshine

In September, the average sunshine is 8h.

UV index

The average daily maximum UV index in September in Asnières-sous-Bois is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the average September temperature in Asnières-sous-Bois?

September temperatures vary between a high-temperature of 20.7°C (69.3°F) and a low-temperature of 11°C (51.8°F).

What is the average humidity in September in Asnières-sous-Bois?

In September, the average relative humidity in Asnières-sous-Bois, France, is 75%.

What is the driest month in Asnières-sous-Bois?

September is the month with the least rainfall in Asnières-sous-Bois. Rain falls for 10.9 days and accumulates 25mm (0.98") of precipitation.

How much does it rain in Asnières-sous-Bois in September?

In Asnières-sous-Bois, France, in September, it is raining for 10.9 days, with typically 25mm (0.98") of accumulated precipitation.

When it does not snow in Asnières-sous-Bois?

April through October are months without snowfall.

What is the average length of the day in September in Asnières-sous-Bois?

In Asnières-sous-Bois, the average day length in September is 12h and 34min.

When are sunrise and sunset in September in Asnières-sous-Bois?

On the first day of September in Asnières-sous-Bois, sunrise is at 07:04 and sunset at 20:25. On the last day of the month, sunrise is at 07:43 and sunset at 19:26 CEST.

How long on average sun shines in September in Asnières-sous-Bois?

In September, the average sunshine duration in Asnières-sous-Bois, France, is 8h.

How high is the UV index in September in Asnières-sous-Bois?

In September, the average daily maximum UV index in Asnières-sous-Bois, France, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Asnières-sous-Bois, France

Average temperature in September - Asnières-sous-Bois, France
  • Average high temperature in September: 20.7°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (5.7°C).

  • Average low temperature in September: 11°C

The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).

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Average pressure in September
Asnières-sous-Bois, France

Average pressure in September - Asnières-sous-Bois, France
  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).

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Average wind speed in September
Asnières-sous-Bois, France

Average wind speed in September - Asnières-sous-Bois, France
  • Average wind speed in September: 10.2km/h

The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

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Average humidity in September
Asnières-sous-Bois, France

Average humidity in September - Asnières-sous-Bois, France
  • Average humidity in September: 75%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (71%).

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Average rainfall in September
Asnières-sous-Bois, France

Average rainfall in September - Asnières-sous-Bois, France
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is September (25mm).

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Average rainfall days in September
Asnières-sous-Bois, France

Average rainfall days in September - Asnières-sous-Bois, France
  • Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (9.9 days).

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Average snowfall in September
Asnières-sous-Bois, France

Average snowfall in September - Asnières-sous-Bois, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Asnières-sous-Bois, France

Average snowfall days in September - Asnières-sous-Bois, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Asnières-sous-Bois, France

Average daylight in September / Average sunshine in September - Asnières-sous-Bois, France
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in September
Asnières-sous-Bois, France

Average sunshine days in September - Asnières-sous-Bois, France
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is March (17.8 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in September
Asnières-sous-Bois, France

Average UV index in September - Asnières-sous-Bois, 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).

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Average cloud cover in September
Asnières-sous-Bois, France

Average cloud cover in September - Asnières-sous-Bois, France
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).

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Average visibility in September
Asnières-sous-Bois, France

Average visibility in September - Asnières-sous-Bois, France
  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, July, August, September and October (9km).
The months with the lowest visibility are January, May, June, November and December (8km).

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Asnières-sous-Bois, France

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