September weather forecastSalsein, France

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Salsein, France, with an average temperature ranging between min 7.5°C (45.5°F) and max 18°C (64.4°F).

Temperature

In September, the average high-temperature marginally decreases from an agreeable 21.7°C (71.1°F) in August to a comfortable 18°C (64.4°F). September's nights in Salsein observe an average temperature of 7.5°C (45.5°F).

Humidity

In September, the average relative humidity is 73%.

Rainfall

In September, in Salsein, the rain falls for 12.8 days. Throughout September, 45mm (1.77") of precipitation is accumulated. In Salsein, during the entire year, the rain falls for 149.7 days and collects up to 817mm (32.17") of precipitation.

Snowfall

Months with snowfall in Salsein are January through June, August through December. In Salsein, in September, during 0.4 snowfall days, 20mm (0.79") of snow is typically accumulated. In Salsein, during the entire year, snow falls for 90.2 days and aggregates up to 2798mm (110.16") of snow.

Daylight

In Salsein, the average length of the day in September is 12h and 29min.
On the first day of September in Salsein, sunrise is at 07:21 and sunset at 20:30. On the last day of the month, sunrise is at 07:52 and sunset at 19:38 CEST.

Sunshine

The average sunshine in September in Salsein is 9.4h.

UV index

In September, the average daily maximum UV index in Salsein 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 the average person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

An average high-temperature, in September, in Salsein, is 18°C (64.4°F) and the average low-temperature is 7.5°C (45.5°F).

In September, the average relative humidity is 73%.

In Salsein, in September, it is raining for 12.8 days, with typically 45mm (1.77") of accumulated precipitation.

In Salsein, in September, during 0.4 snowfall days, 20mm (0.79") of snow is typically accumulated.

The average day length in September in Salsein, France, is 12h and 29min.

In September, on the first day of the month, sunrise is at 07:21 and sunset at 20:30. On the last day of the month, in Salsein, sunrise is at 07:52 and sunset at 19:38 CEST.

In Salsein, France, the average sunshine duration in September is 9.4h.

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

Average temperature in September
Salsein, France

  • Average high temperature in September: 18°C

The warmest months (with the highest average high temperature) are July and August (21.7°C).
The month with the lowest average high temperature is February (3.2°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).

Average pressure in September
Salsein, France

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Salsein, France

  • Average wind speed in September: 5.7km/h

The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

Average humidity in September
Salsein, France

  • Average humidity in September: 73%

The months with the highest relative humidity are February and March (81%).
The months with the lowest relative humidity are July and August (70%).

Average rainfall in September
Salsein, France

  • Average rainfall in September: 45mm

The wettest month (with the highest rainfall) is May (94mm).
The driest month (with the least rainfall) is February (43mm).

Average rainfall days in September
Salsein, France

  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in September
Salsein, France

  • Average snowfall in September: 20mm

The month with the highest snowfall is January (479mm).
The month with the least snowfall is July (0mm).

Average snowfall days in September
Salsein, France

  • Average snowfall days in September: 0.4 days

The month with the highest number of snowfall days is January (15.3 days).
The month with the least snowfall days is July (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 24min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).

Average sunshine days in September
Salsein, France

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is June (6.9 days).

Average UV index in September
Salsein, France

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Salsein, France

  • Average cloud cover in September: 22

The month with the most cloud cover is April (Cloud cover 38).
The months with the least cloud cover are July, August and September (Cloud cover 22).

Average visibility in September
Salsein, France

  • Average visibility in September: 9km

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