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
September
Weather in September
Temperature
With the arrival of September, Sainte-Geneviève-lès-Gasny experiences a modest decline in average high-temperatures, transitioning from a warm 24°C (75.2°F) in August to a pleasant 20.8°C (69.4°F). Sainte-Geneviève-lès-Gasny temperatures generally rest at a low of 11.1°C (52°F) during the September nights.Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 24mm (0.94") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 35min.On the first day of the month, sunrise is at 07:10 and sunset at 20:36. On the last day of September, sunrise is at 07:52 and sunset at 19:34 CEST.
Sunshine
In Sainte-Geneviève-lès-Gasny, the average sunshine in September is 7.4h.UV index
In Sainte-Geneviève-lès-Gasny, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Sainte-Geneviève-lès-Gasny?
What is the average humidity in September in Sainte-Geneviève-lès-Gasny?
What is the driest month in Sainte-Geneviève-lès-Gasny?
How much does it rain in Sainte-Geneviève-lès-Gasny in September?
When it does not snow in Sainte-Geneviève-lès-Gasny?
How many hours of daylight does Sainte-Geneviève-lès-Gasny have in September?
What time are sunrise and sunset in September in Sainte-Geneviève-lès-Gasny?
How many hours of sunshine does Sainte-Geneviève-lès-Gasny have in September?
What is the UV index reading in September in Sainte-Geneviève-lès-Gasny?
Average temperature in September
Sainte-Geneviève-lès-Gasny, France
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Sainte-Geneviève-lès-Gasny, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Sainte-Geneviève-lès-Gasny, France
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Sainte-Geneviève-lès-Gasny, France
- Average humidity in September: 75%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Sainte-Geneviève-lès-Gasny, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Sainte-Geneviève-lès-Gasny, France
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (12.8 days).
Average snowfall in September
Sainte-Geneviève-lès-Gasny, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sainte-Geneviève-lès-Gasny, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Sainte-Geneviève-lès-Gasny, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Sainte-Geneviève-lès-Gasny, France
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Sainte-Geneviève-lès-Gasny, 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
Sainte-Geneviève-lès-Gasny, France
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
Sainte-Geneviève-lès-Gasny, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
