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
As September commences, the average high-temperature subtly reduces, transitioning from a warm 24.4°C (75.9°F) in August to a pleasant 20.7°C (69.3°F). During September, the average low-temperature is a cool 11.7°C (53.1°F).Humidity
The average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Gagny, France, is September, when the rain falls for 12.2 days and typically collects 26mm (1.02") of precipitation.Snowfall
April through October are months without snowfall in Gagny, France.Daylight
In September, the average length of the day in Gagny, France, is 12h and 35min.On the first day of September, sunrise is at 07:07 and sunset at 20:32. On the last day of the month, sunrise is at 07:48 and sunset at 19:30 CEST.
Sunshine
In September, the average sunshine in Gagny, France, is 7.7h.UV index
The average daily maximum UV index in September in Gagny is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gagny in September?
What is the average humidity in September in Gagny?
What is the driest month in Gagny?
How much does it rain in Gagny in September?
When it does not snow in Gagny?
How many hours of daylight does Gagny have in September?
When is the sunrise / sunset in September in Gagny?
How long on average sun shines in September in Gagny?
What is the UV index reading in September in Gagny?
Average temperature in September
Gagny, France
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Gagny, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Gagny, France
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Gagny, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Gagny, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (62mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Gagny, France
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Gagny, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gagny, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 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
Gagny, 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 4min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Gagny, France
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Gagny, France
- Average UV index in September: 4
The month with the highest UV index is 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
Gagny, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in September
Gagny, 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).
