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
As August transitions into September, Bièvre sees a gentle drop in the average high-temperature, transitioning from an agreeable 20.6°C (69.1°F) to a refreshing 17°C (62.6°F). Bièvre, in September, experiences an average temperature of 8.2°C (46.8°F) at night.Humidity
In Bièvre, the average relative humidity in September is 85%.Rainfall
In September, in Bièvre, the rain falls for 13.2 days. Throughout September, 40mm (1.57") of precipitation is accumulated. Throughout the year, in Bièvre, there are 173 rainfall days, and 654mm (25.75") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Bièvre, Belgium, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:55 and sunset at 20:23. On the last day of September, sunrise is at 07:39 and sunset at 19:20 CEST.
Sunshine
In September, the average sunshine in Bièvre is 7.1h.UV index
The average daily maximum UV index in September in Bièvre is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 during September leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the average September temperature in Bièvre?
What is the average humidity in September in Bièvre?
How much does it rain in Bièvre in September?
When it does not snow in Bièvre?
Does it snow in Bièvre in September?
What is the average length of the day in September in Bièvre?
When is the sunrise / sunset in September in Bièvre?
How many hours of sunshine does Bièvre have in September?
What is the UV index reading in September in Bièvre?
Average temperature in September
Bièvre, Belgium
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).
Average pressure in September
Bièvre, Belgium
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Bièvre, Belgium
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is February (16.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Bièvre, Belgium
- Average humidity in September: 85%
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Bièvre, Belgium
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is December (87mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Bièvre, Belgium
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Bièvre, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (146mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bièvre, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bièvre, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Bièvre, Belgium
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is December (8.3 days).
Average UV index in September
Bièvre, Belgium
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Bièvre, Belgium
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 47).
Average visibility in September
Bièvre, Belgium
- Average visibility in September: 7km
The months with the highest visibility are February, March, April, May, June, July and August (8km).
The months with the lowest visibility are January, September, October, November and December (7km).
Bièvre, Belgium
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