September weather forecastBistroff, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Bistroff, France, with an average temperature varying between 19.4°C (66.9°F) and 9.5°C (49.1°F).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 23.7°C (74.7°F) in August to a comfortable 19.4°C (66.9°F). Throughout September, an average nighttime temperature of 9.5°C (49.1°F) is experienced in Bistroff.

Humidity

The average relative humidity in September is 79%.

Rainfall

In Bistroff, during September, the rain falls for 9.8 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 155.4 rainfall days, and 384mm (15.12") of precipitation is accumulated.

Snowfall

In Bistroff, snow does not fall in April through October.

Daylight

The average length of the day in September in Bistroff is 12h and 35min.
On the first day of September in Bistroff, sunrise is at 06:50 and sunset at 20:15. On the last day of the month, sunrise is at 07:32 and sunset at 19:13 CEST.

Sunshine

In Bistroff, the average sunshine in September is 8h.

UV index

In Bistroff, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

In Bistroff, in September, the average high-temperature is 19.4°C (66.9°F), and the average low-temperature is 9.5°C (49.1°F).

In Bistroff, the average relative humidity in September is 79%.

In Bistroff, France, in September, during 9.8 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

April through October are months without snowfall in Bistroff, France.

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

On the first day of September in Bistroff, France, sunrise is at 06:50 and sunset at 20:15. On the last day of the month, sunrise is at 07:32 and sunset at 19:13 CEST.

In Bistroff, France, the average sunshine duration in September is 8h.

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Bistroff, France

  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).

Average pressure in September
Bistroff, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).

Average wind speed in September
Bistroff, France

  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September
Bistroff, France

  • Average humidity in September: 79%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Bistroff, France

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Bistroff, France

  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is September (9.8 days).

Average snowfall in September
Bistroff, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Bistroff, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 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
Bistroff, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Bistroff, France

  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is December (11.8 days).

Average UV index in September
Bistroff, France

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in September
Bistroff, France

  • Average cloud cover in September: 39

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Bistroff, France

  • Average visibility in September: 9km

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