September weather forecastLoison, France

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Loison, France, with an average temperature varying between 18.5°C (65.3°F) and 9.3°C (48.7°F).

Temperature

September's arrival subtly correlates with a reduction in the average high-temperature, down from a pleasant 22.3°C (72.1°F) in August to a refreshing 18.5°C (65.3°F). The average temperature in Loison, France, drops to a chilly 9.3°C (48.7°F) during the night in the month of September.

Humidity

The average relative humidity in September is 81%.

Rainfall

In Loison, France, during September, the rain falls for 12.5 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, there are 179.3 rainfall days, and 612mm (24.09") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 36min.
On the first day of the month, sunrise is at 06:54 and sunset at 20:20. On the last day of September, sunrise is at 07:36 and sunset at 19:18 CEST.

Sunshine

In Loison, the average sunshine in September is 7.8h.

UV index

The average daily maximum UV index in September in Loison is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 3 in September translates into this advice:
Guard yourself - Avoiding sunburn is suggested. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

The high-temperature, in September, in Loison, records 18.5°C (65.3°F), while the low-temperature is 9.3°C (48.7°F).

In September, the average relative humidity is 81%.

In Loison, France, in September, it is raining for 12.5 days, with typically 41mm (1.61") of accumulated precipitation.

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

In September, the average day length in Loison, France, is 12h and 36min.

In September, on the first day of the month, sunrise is at 06:54 and sunset at 20:20. On the last day of the month, sunrise is at 07:36 and sunset at 19:18 CEST.

In September, the average sunshine duration in Loison, France, is 7.8h.

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Loison, France

  • Average high temperature in September: 18.5°C

The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.6°C).

  • Average low temperature in September: 9.3°C

The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in September
Loison, France

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in September
Loison, France

  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September
Loison, France

  • Average humidity in September: 81%

The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).

Average rainfall in September
Loison, France

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).

Average rainfall days in September
Loison, France

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).

Average snowfall in September
Loison, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Loison, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 7h and 48min

The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in September
Loison, France

  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).

Average UV index in September
Loison, France

  • Average UV index in September: 3

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
Loison, France

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Loison, France

  • Average visibility in September: 8km

The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).