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
During the shift to September, Cysoing records a mild decrease in average high-temperature, moving from a warm 23.3°C (73.9°F) in August to an enjoyable 19.9°C (67.8°F). During the month of September, the nighttime temperature falls to an average of 11.4°C (52.5°F).Humidity
In September, the average relative humidity in Cysoing is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 19mm (0.75") of precipitation.Snowfall
In Cysoing, snow does not fall in April through October.Daylight
In Cysoing, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 07:02 and sunset at 20:31. On the last day of the month, sunrise is at 07:46 and sunset at 19:27 CEST.
Sunshine
The average sunshine in September in Cysoing is 7.2h.UV index
In Cysoing, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 4 in September transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Cysoing?
What is the average humidity in September in Cysoing?
What is the driest month in Cysoing?
How many days does it rain in September in Cysoing?
When it does not snow in Cysoing?
What is the average length of the day in September in Cysoing?
What time are sunrise and sunset in September in Cysoing?
How many hours of sunshine does Cysoing have in September?
What is the UV index reading in September in Cysoing?
Average temperature in September
Cysoing, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Cysoing, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Cysoing, France
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in September
Cysoing, France
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Cysoing, France
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Cysoing, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Cysoing, 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
Cysoing, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Cysoing, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Cysoing, France
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is August (11.1 days).
Average UV index in September
Cysoing, 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
Cysoing, France
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Cysoing, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
