September weather forecastDiebolsheim, France

September

Weather in September

September, the first month of the autumn in Diebolsheim, is still a refreshing month, with an average temperature fluctuating between 9.4°C (48.9°F) and 19.8°C (67.6°F).

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 24.2°C (75.6°F) to an enjoyable 19.8°C (67.6°F). Diebolsheim records a steady low-temperature average of 9.4°C (48.9°F) during September.

Humidity

In September, the average relative humidity in Diebolsheim is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 27mm (1.06") of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In Diebolsheim, the average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 06:47 and sunset at 20:10. On the last day of September, sunrise is at 07:27 and sunset at 19:10 CEST.

Sunshine

The average sunshine in September in Diebolsheim is 9.1h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

September temperatures vary between a high-temperature of 19.8°C (67.6°F) and a low-temperature of 9.4°C (48.9°F).

In Diebolsheim, the average relative humidity in September is 78%.

The month with the least rainfall in Diebolsheim is September, when the rain falls for 11.5 days and typically collects 27mm (1.06") of precipitation.

In Diebolsheim, in September, it is raining for 11.5 days, with typically 27mm (1.06") of accumulated precipitation.

In Diebolsheim, France, snow does not fall in April through September.

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

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

On the first day of September, sunrise is at 06:47 and sunset at 20:10. On the last day of the month, sunrise is at 07:27 and sunset at 19:10 CEST.

The average sunshine duration in September in Diebolsheim is 9.1h.

In Diebolsheim, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Diebolsheim, France

  • Average high temperature in September: 19.8°C

The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).

Average pressure in September
Diebolsheim, France

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).

Average wind speed in September
Diebolsheim, France

  • Average wind speed in September: 7.5km/h

The windiest months (with the highest average wind speed) are February and December (10.5km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).

Average humidity in September
Diebolsheim, France

  • Average humidity in September: 78%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (75%).

Average rainfall in September
Diebolsheim, France

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is June (61mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in September
Diebolsheim, France

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (11.5 days).

Average snowfall in September
Diebolsheim, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Diebolsheim, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.3 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
Diebolsheim, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 9h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in September
Diebolsheim, France

  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (9.1 days).

Average UV index in September
Diebolsheim, France

  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Diebolsheim, France

  • Average cloud cover in September: 32

The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Diebolsheim, France

  • Average visibility in September: 9km

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