September weather forecastBiesheim, France

September

Weather in September

September, the first month of the autumn in Biesheim, is also an enjoyable month, with an average temperature fluctuating between 9.6°C (49.3°F) and 19.9°C (67.8°F).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 24.3°C (75.7°F) in August to a comfortable 19.9°C (67.8°F). September brings an average low-temperature of 9.6°C (49.3°F) to Biesheim.

Humidity

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

Rainfall

The month with the least rainfall in Biesheim is September, when the rain falls for 10.8 days and typically collects 20mm (0.79") of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of September, sunrise is at 06:48 and sunset at 20:10. 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 Biesheim is 9.1h.

UV index

In Biesheim, 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 rays for the average person.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

An average high-temperature, in September, in Biesheim, is 19.9°C (67.8°F) and the average low-temperature is 9.6°C (49.3°F).

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

The month with the least rainfall in Biesheim is September, when the rain falls for 10.8 days and typically collects 20mm (0.79") of precipitation.

In Biesheim, during September, the rain falls for 10.8 days and regularly aggregates up to 20mm (0.79") of precipitation.

April through September are months without snowfall in Biesheim, France.

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

The average day length in September in Biesheim is 12h and 34min.

In September, on the first day of the month, sunrise is at 06:48 and sunset at 20:10. On the last day of the month, sunrise is at 07:28 and sunset at 19:10 CEST.

In Biesheim, the average sunshine duration in September is 9.1h.

In Biesheim, France, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Biesheim, France

  • Average high temperature in September: 19.9°C

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

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).

Average pressure in September
Biesheim, France

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).

Average wind speed in September
Biesheim, France

  • Average wind speed in September: 7.3km/h

The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in September
Biesheim, France

  • Average humidity in September: 78%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall in September
Biesheim, France

  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is September (20mm).

Average rainfall days in September
Biesheim, France

  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in September
Biesheim, France

  • Average snowfall in September: 0mm

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

Average snowfall days in September
Biesheim, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.4 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
Biesheim, 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 months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Biesheim, France

  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in September
Biesheim, 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
Biesheim, France

  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Biesheim, 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).