September weather forecastClesles, France

September

Weather in September

September, the first month of the autumn in Clesles, is still a pleasant month, with an average temperature ranging between min 11.4°C (52.5°F) and max 21.1°C (70°F).

Temperature

With the onset of September, Clesles's climate undergoes a slight change as the average high-temperature moves from a warm 25.3°C (77.5°F) in August to an agreeable 21.1°C (70°F). During the month of September, the temperature falls to an average of 11.4°C (52.5°F).

Humidity

In Clesles, the average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall in Clesles. Rain falls for 11.1 days and accumulates 25mm (0.98") of precipitation.

Snowfall

In Clesles, snow does not fall in April through October.

Daylight

In Clesles, the average length of the day in September is 12h and 35min.
On the first day of September, sunrise is at 07:02 and sunset at 20:26. On the last day of the month, sunrise is at 07:43 and sunset at 19:25 CEST.

Sunshine

The average sunshine in September is 7.9h.

UV index

In Clesles, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

The high-temperature during September is 21.1°C (70°F) and the low-temperature is 11.4°C (52.5°F).

In September, the average relative humidity in Clesles, France, is 74%.

September is the month with the least rainfall in Clesles. Rain falls for 11.1 days and accumulates 25mm (0.98") of precipitation.

In Clesles, during September, the rain falls for 11.1 days and regularly aggregates up to 25mm (0.98") of precipitation.

April through October are months without snowfall in Clesles, France.

In Clesles, France, the average day length in September is 12h and 35min.

In September, on the first day of the month, sunrise is at 07:02 and sunset at 20:26. On the last day of the month, in Clesles, sunrise is at 07:43 and sunset at 19:25 CEST.

The average sunshine duration in September in Clesles is 7.9h.

The average daily maximum UV index in September in Clesles is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Clesles, France

  • Average high temperature in September: 21.1°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in September: 11.4°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).

Average pressure in September
Clesles, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).

Average wind speed in September
Clesles, France

  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in September
Clesles, France

  • Average humidity in September: 74%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Clesles, France

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (25mm).

Average rainfall days in September
Clesles, France

  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (11.1 days).

Average snowfall in September
Clesles, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Clesles, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 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
Clesles, 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 24min).

  • Average sunshine in September: 7h and 54min

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

Average sunshine days in September
Clesles, France

  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in September
Clesles, 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
Clesles, France

  • Average cloud cover in September: 35

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

Average visibility in September
Clesles, France

  • Average visibility in September: 9km

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