September weather forecastBiltzheim, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Biltzheim, France, with an average temperature fluctuating between 19.9°C (67.8°F) and 9.6°C (49.3°F).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a warm 24.3°C (75.7°F) in August to a refreshing 19.9°C (67.8°F). Biltzheim's September nights cool down to an average low-temperature of 9.6°C (49.3°F).Humidity
In Biltzheim, France, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall 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
The average length of the day in September in Biltzheim, France, is 12h and 34min.On the first day of the month, sunrise is at 06:49 and sunset at 20:11. On the last day of September, sunrise is at 07:28 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine is 9.1h.UV index
In Biltzheim, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Take precautions - Protection against sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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 30min).
- 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
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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
Biltzheim, 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).
