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 into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 26.1°C (79°F) in August to a pleasant 21.5°C (70.7°F). An average nighttime temperature of 11°C (51.8°F) is noted during the month of September.Humidity
In September, the average relative humidity is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 41mm (1.61") of precipitation.Snowfall
In Brignais, snow does not fall in April through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 07:02 and sunset at 20:18. On the last day of September, sunrise is at 07:38 and sunset at 19:22 CEST.
Sunshine
In Brignais, the average sunshine in September is 8.5h.UV index
In Brignais, 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 average person.Note: In September, the UV index of 4 transforms into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Brignais in September?
What is the average humidity in September in Brignais?
What is the driest month in Brignais?
How much does it rain in Brignais in September?
When it does not snow in Brignais?
Does it snow in Brignais in September?
What is the average length of the day in September in Brignais?
When is the sunrise / sunset in September in Brignais?
How many hours of sunshine does Brignais have in September?
What is the UV index intensity in September in Brignais?
Average temperature in September
Brignais, France
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 11°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in September
Brignais, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Brignais, France
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Brignais, France
- Average humidity in September: 76%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Brignais, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (41mm).
Average rainfall days in September
Brignais, France
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in September
Brignais, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Brignais, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brignais, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Brignais, France
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (7.4 days).
Average UV index in September
Brignais, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Brignais, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Brignais, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).
Brignais, France
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