September weather forecastLa Hérelle, France

September

Weather in September

September, the first month of the autumn in La Hérelle, is still a refreshing month, with an average temperature ranging between max 19.6°C (67.3°F) and min 10.5°C (50.9°F).

Temperature

September's arrival aligns with a minor decrease in average high-temperatures, from August's agreeable 22.9°C (73.2°F) to a refreshing 19.6°C (67.3°F). La Hérelle throughout September, experiences an average nighttime temperature of 10.5°C (50.9°F).

Humidity

In La Hérelle, the average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall in La Hérelle. Rain falls for 11.4 days and accumulates 21mm (0.83") of precipitation.

Snowfall

April through October are months without snowfall in La Hérelle.

Daylight

The average length of the day in September in La Hérelle, France, is 12h and 36min.
On the first day of the month, sunrise is at 07:06 and sunset at 20:33. On the last day of September, in La Hérelle, sunrise is at 07:49 and sunset at 19:30 CEST.

Sunshine

In La Hérelle, the average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

In La Hérelle, 19.6°C (67.3°F) is the average high-temperature and 10.5°C (50.9°F) is the average low-temperature during September.

In September, the average relative humidity in La Hérelle, France, is 78%.

September is the month with the least rainfall in La Hérelle. Rain falls for 11.4 days and accumulates 21mm (0.83") of precipitation.

In La Hérelle, in September, it is raining for 11.4 days, with typically 21mm (0.83") of accumulated precipitation.

April through October are months without snowfall in La Hérelle.

The average day length in September is 12h and 36min.

In September, on the first day of the month, sunrise is at 07:06 and sunset at 20:33. On the last day of the month, in La Hérelle, sunrise is at 07:49 and sunset at 19:30 CEST.

In September, the average sunshine duration in La Hérelle is 7.3h.

In La Hérelle, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
La Hérelle, France

  • Average high temperature in September: 19.6°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).

Average pressure in September
La Hérelle, 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 (1012.8mbar).

Average wind speed in September
La Hérelle, France

  • Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in September
La Hérelle, France

  • Average humidity in September: 78%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
La Hérelle, France

  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is September (21mm).

Average rainfall days in September
La Hérelle, France

  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (11.3 days).

Average snowfall in September
La Hérelle, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
La Hérelle, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.7 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
La Hérelle, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is June (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
La Hérelle, France

  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is March (15.7 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September
La Hérelle, 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).

Average cloud cover in September
La Hérelle, France

  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 43).

Average visibility in September
La Hérelle, France

  • Average visibility in September: 9km

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