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
September's arrival brings an average high-temperature of a still enjoyable 17.1°C (62.8°F), slightly deviating from August's 17.8°C (64°F). Biville sustains a near constant temperature throughout September, with nighttime averages of 15.2°C (59.4°F).Humidity
In Biville, the average relative humidity in September is 80%.Rainfall
In Biville, in September, it is raining for 14.7 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 204.6 rainfall days, and 648mm (25.51") of precipitation is accumulated.Snowfall
February, April through November are months without snowfall.Daylight
In September, the average length of the day in Biville is 12h and 36min.On the first day of the month, sunrise is at 07:23 and sunset at 20:50. On the last day of September, in Biville, France, sunrise is at 08:06 and sunset at 19:47 CEST.
Sunshine
The average sunshine in September in Biville is 7.5h.UV index
In Biville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Biville?
What is the average humidity in September in Biville?
How much does it rain in Biville in September?
When it does not snow in Biville?
What is the average length of the day in September in Biville?
When is the sunrise / sunset in September in Biville?
How long on average sun shines in September in Biville?
What is the UV index intensity in September in Biville?
Average temperature in September
Biville, France
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.8°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in September
Biville, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Biville, France
- Average wind speed in September: 25km/h
The windiest month (with the highest average wind speed) is December (34.7km/h).
The calmest month (with the lowest average wind speed) is July (21.4km/h).
Average humidity in September
Biville, France
- Average humidity in September: 80%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (78%).
Average rainfall in September
Biville, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Biville, France
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is January (21.6 days).
The months with the least rainy days are April and May (13 days).
Average snowfall in September
Biville, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (4mm).
The months with the least snowfall are February, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Biville, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Biville, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in September
Biville, France
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is May (15.7 days).
The month with the least sunshine days is November (5.2 days).
Average UV index in September
Biville, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Biville, France
- Average cloud cover in September: 40
The months with the most cloud cover are January, November and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Biville, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Biville, France
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