September weather forecastDuerne, France

September

Weather in September

September, the first month of the autumn in Duerne, is still a pleasant month, with an average temperature varying between 9.9°C (49.8°F) and 20.3°C (68.5°F).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 24.9°C (76.8°F) in August to an agreeable 20.3°C (68.5°F). In September, Duerne encounters an average low-temperature of 9.9°C (49.8°F) during the night.

Humidity

In September, the average relative humidity in Duerne is 77%.

Rainfall

In Duerne, in September, it is raining for 11 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 153.4 rainfall days, and 511mm (20.12") of precipitation is accumulated.

Snowfall

In Duerne, snow does not fall in June through September.

Daylight

In September, the average length of the day in Duerne is 12h and 32min.
On the first day of the month, sunrise is at 07:03 and sunset at 20:19. On the last day of September, sunrise is at 07:39 and sunset at 19:23 CEST.

Sunshine

In September, the average sunshine in Duerne is 8.1h.

UV index

In Duerne, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 4 during September leads to these advisories:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

In September, in Duerne, the average high-temperature is 20.3°C (68.5°F), and the average low-temperature is 9.9°C (49.8°F).

In Duerne, the average relative humidity in September is 77%.

In Duerne, in September, during 11 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

In Duerne, France, snow does not fall in June through September.

In Duerne, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Duerne, France, is 12h and 32min.

In September, on the first day of the month, sunrise is at 07:03 and sunset at 20:19. On the last day of the month, sunrise is at 07:39 and sunset at 19:23 CEST.

In Duerne, the average sunshine duration in September is 8.1h.

In Duerne, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
Duerne, France

  • Average high temperature in September: 20.3°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is February (-1°C).

Average pressure in September
Duerne, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in September
Duerne, France

  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in September
Duerne, France

  • Average humidity in September: 77%

The months with the highest relative humidity are November and December (86%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Duerne, France

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is February (27mm).

Average rainfall days in September
Duerne, France

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is December (10 days).

Average snowfall in September
Duerne, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is November (85mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Duerne, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Duerne, France

  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in September
Duerne, France

  • Average UV index in September: 4

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

Average cloud cover in September
Duerne, France

  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Duerne, France

  • Average visibility in September: 8km

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