September weather forecastLanrivain, France

September

Weather in September

September, the first month of the autumn in Lanrivain, is still a comfortable month, with temperature in the range of an average high of 19.7°C (67.5°F) and an average low of 10.3°C (50.5°F).

Temperature

With September's arrival, Lanrivain notes an average high-temperature of a comfortable 19.7°C (67.5°F), closely following the trend of the preceding month. An average temperature of 10.3°C (50.5°F) is recorded in Lanrivain during the nights in September.

Humidity

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

Rainfall

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

Snowfall

May through October are months without snowfall in Lanrivain.

Daylight

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

Sunshine

The average sunshine in September is 7.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 4 during September leads to these advisories:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

In September, the average high-temperature and low-temperature in Lanrivain are 19.7°C (67.5°F) and 10.3°C (50.5°F) respectively.

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

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

The month with the least rainfall in Lanrivain is September, when the rain falls for 12.4 days and typically collects 23mm (0.91") of precipitation.

In Lanrivain, in September, during 12.4 rainfall days, 23mm (0.91") of precipitation is typically accumulated.

In Lanrivain, France, snow does not fall in May through October.

In Lanrivain, France, the average day length in September 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 Lanrivain, sunrise is at 08:11 and sunset at 19:53 CEST.

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

In September, the average daily maximum UV index in Lanrivain, France, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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
Lanrivain, 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).