September weather forecastAffieux, France

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Affieux, France, with an average temperature ranging between min 9.9°C (49.8°F) and max 21.7°C (71.1°F).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 25.7°C (78.3°F) in August to an agreeable 21.7°C (71.1°F). Throughout September, Affieux's nights cool down to an average of 9.9°C (49.8°F).

Humidity

In September, the average relative humidity is 75%.

Rainfall

The months with the least rainfall in Affieux are July and September Rain falls for 11.4 days and accumulates 35mm (1.38") of rain.

Snowfall

April, June through September are months without snowfall.

Daylight

In Affieux, the average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 07:14 and sunset at 20:30. On the last day of the month, sunrise is at 07:50 and sunset at 19:34 CEST.

Sunshine

The average sunshine in September in Affieux is 8.3h.

UV index

In Affieux, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 suggests this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

The high-temperature in Affieux, France, during September is 21.7°C (71.1°F) and the low-temperature is 9.9°C (49.8°F).

In Affieux, France, the average relative humidity in September is 75%.

The months with the least rainfall in Affieux, France, are July and September Rain falls for 11.4 days and accumulates 35mm (1.38") of rain.

In September, in Affieux, France, the rain falls for 11.4 days. Throughout September, 35mm (1.38") of precipitation is accumulated.

In Affieux, France, snow does not fall in April, June through September.

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

In September, the average day length in Affieux, France, is 12h and 32min.

In September, on the first day of the month, sunrise is at 07:14 and sunset at 20:30. On the last day of the month, sunrise is at 07:50 and sunset at 19:34 CEST.

The average sunshine duration in September is 8.3h.

In Affieux, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents 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
Affieux, France

  • Average high temperature in September: 21.7°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).

Average pressure in September
Affieux, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).

Average wind speed in September
Affieux, France

  • Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is February (9.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in September
Affieux, France

  • Average humidity in September: 75%

The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is August (71%).

Average rainfall in September
Affieux, France

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is November (84mm).
The driest months (with the least rainfall) are July and September (35mm).

Average rainfall days in September
Affieux, France

  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is September (11.4 days).

Average snowfall in September
Affieux, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, June, July, August and September (0mm).

Average snowfall days in September
Affieux, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and November (Average sunshine: 4h and 12min).

Average sunshine days in September
Affieux, France

  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in September
Affieux, 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
Affieux, France

  • Average cloud cover in September: 35

The month with the most cloud cover is November (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Affieux, France

  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July, August and September (8km).
The months with the lowest visibility are January, February, October, November and December (7km).