September weather forecastHeurtevent, France

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Heurtevent, France, with temperature in the range of an average high of 18.9°C (66°F) and an average low of 12.9°C (55.2°F).

Temperature

September notes an average high-temperature of a refreshing 18.9°C (66°F), subtly differing from August's 20.7°C (69.3°F). During September, Heurtevent's temperature falls to a steady low-temperature average of 12.9°C (55.2°F).

Humidity

The months with the lowest humidity in Heurtevent are August and September, with an average relative humidity of 79%.

Rainfall

In Heurtevent, in September, it is raining for 13.9 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 188.8 rainfall days, and 580mm (22.83") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 07:16 and sunset at 20:41. On the last day of September, sunrise is at 07:58 and sunset at 19:40 CEST.

Sunshine

In Heurtevent, France, the average sunshine in September is 7.5h.

UV index

In Heurtevent, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

In Heurtevent, 18.9°C (66°F) is the average high-temperature and 12.9°C (55.2°F) is the average low-temperature during September.

The months with the lowest humidity are August and September, with an average relative humidity of 79%.

In Heurtevent, France, the average relative humidity in September is 79%.

In Heurtevent, France, in September, during 13.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

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

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

On the first day of September in Heurtevent, France, sunrise is at 07:16 and sunset at 20:41. On the last day of the month, sunrise is at 07:58 and sunset at 19:40 CEST.

In Heurtevent, France, the average sunshine duration in September is 7.5h.

The average daily maximum UV index in September in Heurtevent is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Heurtevent, France

  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (7.4°C).

  • Average low temperature in September: 12.9°C

The month with the highest average low temperature is August (14.7°C).
The coldest months (with the lowest average low temperature) are January and February (3.8°C).

Average pressure in September
Heurtevent, France

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).

Average wind speed in September
Heurtevent, France

  • Average wind speed in September: 16.6km/h

The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is August (15km/h).

Average humidity in September
Heurtevent, France

  • Average humidity in September: 79%

The months with the highest relative humidity are January and November (84%).
The months with the lowest relative humidity are August and September (79%).

Average rainfall in September
Heurtevent, France

  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (29mm).

Average rainfall days in September
Heurtevent, France

  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is April (13.1 days).

Average snowfall in September
Heurtevent, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Heurtevent, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Heurtevent, 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 30min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 6min).

Average sunshine days in September
Heurtevent, France

  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (8.4 days).

Average UV index in September
Heurtevent, 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 and November (UV index 2).

Average cloud cover in September
Heurtevent, France

  • Average cloud cover in September: 40

The months with the most cloud cover are January, November and December (Cloud cover 59).
The months with the least cloud cover are April and July (Cloud cover 39).

Average visibility in September
Heurtevent, France

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).