September weather forecastCommelle, France

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Commelle, France, with temperature in the range of an average high of 20.5°C (68.9°F) and an average low of 10.1°C (50.2°F).

Temperature

The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 20.5°C (68.9°F) from a moderately hot 25.1°C (77.2°F). Commelle's temperature drops to an average low of 10.1°C (50.2°F) during the nights of September.

Humidity

In Commelle, the average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall in Commelle. Rain falls for 11.4 days and accumulates 34mm (1.34") of precipitation.

Snowfall

In Commelle, snow does not fall in June through September.

Daylight

In Commelle, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 07:01 and sunset at 20:16. On the last day of September, sunrise is at 07:36 and sunset at 19:21 CEST.

Sunshine

The average sunshine in September in Commelle is 8.5h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

An average high-temperature, in September, in Commelle, is 20.5°C (68.9°F) and the average low-temperature is 10.1°C (50.2°F).

In September, the average relative humidity in Commelle is 79%.

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 34mm (1.34") of precipitation.

In Commelle, during September, the rain falls for 11.4 days and regularly aggregates up to 34mm (1.34") of precipitation.

June through September are months without snowfall in Commelle.

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

The average day length in September is 12h and 32min.

On the first day of September in Commelle, sunrise is at 07:01 and sunset at 20:16. On the last day of the month, sunrise is at 07:36 and sunset at 19:21 CEST.

In September, the average sunshine duration in Commelle is 8.5h.

In Commelle, 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Commelle, France

  • Average high temperature in September: 20.5°C

The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in September: 10.1°C

The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).

Average pressure in September
Commelle, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Commelle, France

  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).

Average humidity in September
Commelle, France

  • Average humidity in September: 79%

The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Commelle, France

  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is September (34mm).

Average rainfall days in September
Commelle, 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 August (11 days).

Average snowfall in September
Commelle, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is November (92mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Commelle, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Commelle, 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 30min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in September
Commelle, France

  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (9.5 days).

Average UV index in September
Commelle, 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
Commelle, France

  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in September
Commelle, France

  • Average visibility in September: 8km

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