September weather forecastInnenheim, France

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Innenheim, France, with an average temperature fluctuating between 10°C (50°F) and 20.5°C (68.9°F).

Temperature

September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 24.9°C (76.8°F) in August to a pleasant 20.5°C (68.9°F). In September, the average low-temperature in Innenheim records at a fresh 10°C (50°F) during the nights.

Humidity

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

Rainfall

The month with the least rainfall in Innenheim is September, when the rain falls for 10.5 days and typically collects 26mm (1.02") of precipitation.

Snowfall

April through September are months without snowfall in Innenheim.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of September, sunrise is at 06:47 and sunset at 20:11. On the last day of the month, sunrise is at 07:28 and sunset at 19:10 CEST.

Sunshine

The average sunshine in September in Innenheim, France, is 8.9h.

UV index

The average daily maximum UV index in September in Innenheim is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

In September, in Innenheim, the average high-temperature is 20.5°C (68.9°F), and the average low-temperature is 10°C (50°F).

The average relative humidity in September is 76%.

September is the month with the least rainfall in Innenheim. Rain falls for 10.5 days and accumulates 26mm (1.02") of precipitation.

In Innenheim, France, in September, during 10.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

April through September are months without snowfall in Innenheim.

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

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

In September, on the first day of the month, sunrise is at 06:47 and sunset at 20:11. On the last day of the month, in Innenheim, sunrise is at 07:28 and sunset at 19:10 CEST.

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

In September, the average daily maximum UV index in Innenheim is 4. A UV Index 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Innenheim, France

  • Average high temperature in September: 20.5°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 (4.3°C).

  • Average low temperature in September: 10°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 (-0.7°C).

Average pressure in September
Innenheim, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).

Average wind speed in September
Innenheim, France

  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

Average humidity in September
Innenheim, France

  • Average humidity in September: 76%

The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, July and August (73%).

Average rainfall in September
Innenheim, France

  • Average rainfall in September: 26mm

The wettest months (with the highest rainfall) are June and July (56mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in September
Innenheim, France

  • Average rainfall days in September: 10.5 days

The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in September
Innenheim, France

  • Average snowfall in September: 0mm

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

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

Average daylight in September /
Average sunshine in September
Innenheim, 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 24min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in September
Innenheim, France

  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in September
Innenheim, 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
Innenheim, France

  • Average cloud cover in September: 33

The months with the most cloud cover are January and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Innenheim, France

  • Average visibility in September: 9km

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