September weather forecastValernes, France

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Valernes, France, with an average temperature ranging between max 22.7°C (72.9°F) and min 10.5°C (50.9°F).

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 27.5°C (81.5°F) in August to a pleasant 22.7°C (72.9°F). Significant variation from daytime temperatures marks September in Valernes, France, with the month recording a nightly average of 10.5°C (50.9°F).

Humidity

In Valernes, France, the average relative humidity in September is 67%.

Rainfall

In Valernes, during September, the rain falls for 10.3 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 124.6 rainfall days, and 504mm (19.84") of precipitation is accumulated.

Snowfall

In Valernes, snow does not fall in April through September.

Daylight

In September, the average length of the day in Valernes is 12h and 31min.
On the first day of the month, sunrise is at 06:59 and sunset at 20:12. On the last day of September, in Valernes, France, sunrise is at 07:33 and sunset at 19:18 CEST.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In Valernes, France, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

The high-temperature during September is 22.7°C (72.9°F) and the low-temperature is 10.5°C (50.9°F). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 29°C (84.2°F).

The average relative humidity in September is 67%.

In September, in Valernes, France, the rain falls for 10.3 days. Throughout September, 36mm (1.42") of precipitation is accumulated.

In Valernes, snow does not fall in April through September.

In Valernes, France, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Valernes, France, is 12h and 31min.

In September, on the first day of the month, sunrise is at 06:59 and sunset at 20:12. On the last day of the month, in Valernes, sunrise is at 07:33 and sunset at 19:18 CEST.

In September, the average sunshine duration is 9.5h.

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Valernes, France

  • Average high temperature in September: 22.7°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in September: 10.5°C

The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-1.1°C).

Average pressure in September
Valernes, France

  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is April (1014.4mbar).

Average wind speed in September
Valernes, France

  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is March (10.1km/h).
The calmest month (with the lowest average wind speed) is September (8.1km/h).

Average humidity in September
Valernes, France

  • Average humidity in September: 67%

The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is August (58%).

Average rainfall in September
Valernes, France

  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is July (22mm).

Average rainfall days in September
Valernes, France

  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is August (7.7 days).

Average snowfall in September
Valernes, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Valernes, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Valernes, France

  • Average daylight in September: 12h and 30min

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

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in September
Valernes, France

  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is May (13.2 days).

Average UV index in September
Valernes, 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
Valernes, France

  • Average cloud cover in September: 20

The month with the most cloud cover is November (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in September
Valernes, France

  • Average visibility in September: 10km

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