September weather forecastAstaffort, France

September

Weather in September

The first month of the autumn, September, is still a warm month in Astaffort, France, with an average temperature ranging between min 13.6°C (56.5°F) and max 24.9°C (76.8°F).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 28.3°C (82.9°F) in August to a still warm 24.9°C (76.8°F). In September, the temperature in Astaffort drops to an average of 13.6°C (56.5°F) at night.

Humidity

In September, the average relative humidity is 67%.

Rainfall

The month with the least rainfall in Astaffort is September, when the rain falls for 10 days and typically collects 20mm (0.79") of precipitation.

Snowfall

In Astaffort, France, snow does not fall in April through November.

Daylight

In Astaffort, the average length of the day in September is 12h and 31min.
On the first day of September, sunrise is at 07:21 and sunset at 20:33. On the last day of the month, sunrise is at 07:54 and sunset at 19:39 CEST.

Sunshine

In September, the average sunshine in Astaffort is 8.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

September temperatures vary between a high-temperature of 24.9°C (76.8°F) and a low-temperature of 13.6°C (56.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 31°C (87.8°F).

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

September is the month with the least rainfall in Astaffort. Rain falls for 10 days and accumulates 20mm (0.79") of precipitation.

In Astaffort, during September, the rain falls for 10 days and regularly aggregates up to 20mm (0.79") of precipitation.

April through November are months without snowfall.

In Astaffort, France, the average day length in September is 12h and 31min.

On the first day of September, sunrise is at 07:21 and sunset at 20:33. On the last day of the month, sunrise is at 07:54 and sunset at 19:39 CEST.

In Astaffort, France, the average sunshine duration in September is 8.7h.

The average daily maximum UV index in September in Astaffort, France, is 5. A UV Index estimate 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Astaffort, France

  • Average high temperature in September: 24.9°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in September: 13.6°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

Average pressure in September
Astaffort, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).

Average wind speed in September
Astaffort, France

  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).

Average humidity in September
Astaffort, France

  • Average humidity in September: 67%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Astaffort, France

  • Average rainfall in September: 20mm

The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).

Average rainfall days in September
Astaffort, France

  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).

Average snowfall in September
Astaffort, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Astaffort, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 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
Astaffort, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in September
Astaffort, France

  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in September
Astaffort, France

  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in September
Astaffort, France

  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September
Astaffort, France

  • Average visibility in September: 9km

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