September weather forecastKerien, France

September

Weather in September

September, the first month of the autumn in Kerien, is still a refreshing month, with an average temperature fluctuating between 19.7°C (67.5°F) and 10.3°C (50.5°F).

Temperature

The unfolding of September shows an average high-temperature of a refreshing 19.7°C (67.5°F), indicating a slight variance from August's 21.3°C (70.3°F). During September, the temperature tends to dip to an average of 10.3°C (50.5°F) at night.

Humidity

July and September, with an average relative humidity of 81%, are the least humid months.

Rainfall

September is the month with the least rainfall in Kerien, France. Rain falls for 12.4 days and accumulates 23mm (0.91") of precipitation.

Snowfall

May through October are months without snowfall in Kerien.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of September, sunrise is at 07:31 and sunset at 20:54. On the last day of the month, sunrise is at 08:11 and sunset at 19:53 CEST.

Sunshine

In September, the average sunshine is 7.2h.

UV index

In Kerien, France, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

The average high-temperature, in September, in Kerien, is 19.7°C (67.5°F), while the average low-temperature is 10.3°C (50.5°F).

July and September, with an average relative humidity of 81%, are the least humid months in Kerien, France.

In Kerien, the average relative humidity in September is 81%.

September is the month with the least rainfall in Kerien. Rain falls for 12.4 days and accumulates 23mm (0.91") of precipitation.

In September, in Kerien, France, the rain falls for 12.4 days. Throughout September, 23mm (0.91") of precipitation is accumulated.

May through October are months without snowfall.

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

In September, on the first day of the month, sunrise is at 07:31 and sunset at 20:54. On the last day of the month, in Kerien, sunrise is at 08:11 and sunset at 19:53 CEST.

In Kerien, the average sunshine duration in September is 7.2h.

In Kerien, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Kerien, France

  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in September: 10.3°C

The months with the highest average low temperature are July and August (12°C).
The coldest month (with the lowest average low temperature) is February (3°C).

Average pressure in September
Kerien, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).

Average wind speed in September
Kerien, France

  • Average wind speed in September: 12km/h

The windiest month (with the highest average wind speed) is February (16.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

Average humidity in September
Kerien, France

  • Average humidity in September: 81%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and September (81%).

Average rainfall in September
Kerien, France

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is September (23mm).

Average rainfall days in September
Kerien, France

  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is January (18.3 days).
The month with the least rainy days is September (12.4 days).

Average snowfall in September
Kerien, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Kerien, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 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
Kerien, 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 12min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Kerien, France

  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is November (7.1 days).

Average UV index in September
Kerien, 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, February, November and December (UV index 2).

Average cloud cover in September
Kerien, France

  • Average cloud cover in September: 45

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 45).

Average visibility in September
Kerien, France

  • Average visibility in September: 8km

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