September weather forecastCombourg, France

September

Weather in September

September, the first month of the autumn in Combourg, is also an enjoyable month, with an average temperature varying between 19.7°C (67.5°F) and 12.5°C (54.5°F).

Temperature

September's presence marks an average high-temperature of a comfortable 19.7°C (67.5°F), subtly varied from August's 21.3°C (70.3°F). Throughout September nights, Combourg experiences a consistent temperature average of 12.5°C (54.5°F).

Humidity

The least humid month is September, with an average relative humidity of 78%.

Rainfall

September is the month with the least rainfall in Combourg, France. Rain falls for 14.3 days and accumulates 28mm (1.1") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of September, sunrise is at 07:25 and sunset at 20:48. On the last day of the month, sunrise is at 08:05 and sunset at 19:47 CEST.

Sunshine

The average sunshine in September in Combourg, France, is 7.4h.

UV index

In Combourg, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

In September, the average high-temperature and low-temperature are 19.7°C (67.5°F) and 12.5°C (54.5°F) respectively.

September is the least humid month in Combourg, France, with an average relative humidity of 78%.

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

September is the month with the least rainfall in Combourg, France. Rain falls for 14.3 days and accumulates 28mm (1.1") of precipitation.

In Combourg, in September, it is raining for 14.3 days, with typically 28mm (1.1") of accumulated precipitation.

May through October are months without snowfall.

In September, the average day length in Combourg is 12h and 35min.

In September, on the first day of the month, sunrise is at 07:25 and sunset at 20:48. On the last day of the month, in Combourg, France, sunrise is at 08:05 and sunset at 19:47 CEST.

The average sunshine duration in September in Combourg, France, is 7.4h.

In September, the average daily maximum UV index 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
Combourg, France

  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

Average pressure in September
Combourg, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).

Average wind speed in September
Combourg, France

  • Average wind speed in September: 15.3km/h

The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is August (14.3km/h).

Average humidity in September
Combourg, France

  • Average humidity in September: 78%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is September (78%).

Average rainfall in September
Combourg, France

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is September (28mm).

Average rainfall days in September
Combourg, France

  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is January (20.2 days).
The month with the least rainy days is September (14.3 days).

Average snowfall in September
Combourg, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (11mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Combourg, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.9 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
Combourg, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 7h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Combourg, France

  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is September (12.5 days).
The months with the least sunshine days are January and November (6.6 days).

Average UV index in September
Combourg, France

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).

Average cloud cover in September
Combourg, France

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 39).

Average visibility in September
Combourg, France

  • Average visibility in September: 9km

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