Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a pleasant 22.9°C (73.2°F) in August to a comfortable 18.8°C (65.8°F). Throughout September, an average low-temperature of 9.4°C (48.9°F) is expected.Humidity
In September, the average relative humidity is 82%.Rainfall
The months with the least rainfall are April and September Rain falls for 12.1 days and accumulates 36mm (1.42") of rain.Snowfall
June through September are months without snowfall in Biffontaine.Daylight
The average length of the day in September in Biffontaine is 12h and 35min.On the first day of the month, sunrise is at 06:51 and sunset at 20:14. On the last day of September, in Biffontaine, sunrise is at 07:31 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Biffontaine?
What is the average humidity in September in Biffontaine?
What is the driest month in Biffontaine?
How many days does it rain in September in Biffontaine?
When it does not snow in Biffontaine?
Does it snow in Biffontaine in September?
What is the average length of the day in September in Biffontaine?
When is the sunrise / sunset in September in Biffontaine?
How long on average sun shines in September in Biffontaine?
What is the UV index intensity in September in Biffontaine?
Average temperature in September
Biffontaine, France
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 9.4°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Biffontaine, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).
Average wind speed in September
Biffontaine, France
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Biffontaine, France
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Biffontaine, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (84mm).
The driest months (with the least rainfall) are April and September (36mm).
Average rainfall days in September
Biffontaine, France
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Biffontaine, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Biffontaine, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Biffontaine, France
- Average daylight in September: 12h and 4min
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: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Biffontaine, France
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Biffontaine, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Biffontaine, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Biffontaine, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
Biffontaine, France
Weather forecast for your location
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