September weather forecastDalhunden, France

September

Weather in September

September, the first month of the autumn in Dalhunden, is still a pleasant month, with an average temperature varying between 10.4°C (50.7°F) and 20.3°C (68.5°F).

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 25.1°C (77.2°F) in August to an agreeable 20.3°C (68.5°F). In September, the nighttime temperature in Dalhunden lowers to an average of 10.4°C (50.7°F).

Humidity

In Dalhunden, France, the average relative humidity in September is 76%.

Rainfall

In Dalhunden, in September, during 11 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Dalhunden, there are 164 rainfall days, and 463mm (18.23") of precipitation is accumulated.

Snowfall

April through September are months without snowfall.

Daylight

In September, the average length of the day in Dalhunden, France, is 12h and 35min.
On the first day of September in Dalhunden, France, sunrise is at 06:45 and sunset at 20:10. On the last day of the month, sunrise is at 07:26 and sunset at 19:08 CEST.

Sunshine

In Dalhunden, the average sunshine in September is 8.9h.

UV index

In Dalhunden, France, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 4 in September transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

In Dalhunden, in September, the average high-temperature is 20.3°C (68.5°F), and the average low-temperature is 10.4°C (50.7°F).

In Dalhunden, France, the average relative humidity in September is 76%.

In Dalhunden, in September, during 11 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

April through September are months without snowfall in Dalhunden.

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

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

In September, on the first day of the month, sunrise is at 06:45 and sunset at 20:10. On the last day of the month, in Dalhunden, sunrise is at 07:26 and sunset at 19:08 CEST.

In Dalhunden, the average sunshine duration in September is 8.9h.

In September, the average daily maximum UV index in Dalhunden, France, is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Dalhunden, France

  • Average high temperature in September: 20.3°C

The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (4.1°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-1°C).

Average pressure in September
Dalhunden, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).

Average wind speed in September
Dalhunden, France

  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).

Average humidity in September
Dalhunden, France

  • Average humidity in September: 76%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in September
Dalhunden, France

  • Average rainfall in September: 26mm

The wettest months (with the highest rainfall) are May and December (54mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in September
Dalhunden, France

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.3 days).

Average snowfall in September
Dalhunden, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (42mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Dalhunden, 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 April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Dalhunden, 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 54min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Dalhunden, France

  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (9.6 days).

Average UV index in September
Dalhunden, France

  • Average UV index in September: 4

The months with the highest UV index are May, 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
Dalhunden, France

  • Average cloud cover in September: 34

The months with the most cloud cover are January and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Dalhunden, France

  • Average visibility in September: 9km

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