September weather forecastTherdonne, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Therdonne, France, with an average temperature fluctuating between 19.6°C (67.3°F) and 10.5°C (50.9°F).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a pleasant 22.9°C (73.2°F) in August to a comfortable 19.6°C (67.3°F). In Therdonne, the average nighttime temperature during September is a cool 10.5°C (50.9°F).

Humidity

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

Rainfall

The month with the least rainfall in Therdonne is September, when the rain falls for 11.4 days and typically collects 21mm (0.83") of precipitation.

Snowfall

April through October are months without snowfall in Therdonne.

Daylight

The average length of the day in September is 12h and 36min.
On the first day of the month, sunrise is at 07:08 and sunset at 20:34. On the last day of September, sunrise is at 07:50 and sunset at 19:31 CEST.

Sunshine

In Therdonne, France, the average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

The high-temperature in Therdonne, France, during September is 19.6°C (67.3°F) and the low-temperature is 10.5°C (50.9°F).

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

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

In Therdonne, France, in September, during 11.4 rainfall days, 21mm (0.83") of precipitation is typically accumulated.

April through October are months without snowfall in Therdonne.

In September, the average day length in Therdonne is 12h and 36min.

On the first day of September in Therdonne, France, sunrise is at 07:08 and sunset at 20:34. On the last day of the month, sunrise is at 07:50 and sunset at 19:31 CEST.

The average sunshine duration in September is 7.3h.

In Therdonne, France, 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 the Sun's 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
Therdonne, 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
Therdonne, 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
Therdonne, 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
Therdonne, 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
Therdonne, 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
Therdonne, 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
Therdonne, 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
Therdonne, 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
Therdonne, 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 18min).

  • 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
Therdonne, 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
Therdonne, 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
Therdonne, 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
Therdonne, 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).