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 shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a warm 24.5°C (76.1°F) to a pleasant 20.9°C (69.6°F). Colombes observes an average low-temperature of 11.7°C (53.1°F) during September nights.Humidity
In Colombes, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Colombes is September, when the rain falls for 7.6 days and typically collects 6mm (0.24") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Colombes, France, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:08 and sunset at 20:33. On the last day of September, in Colombes, sunrise is at 07:49 and sunset at 19:31 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In September, the average daily maximum UV index in Colombes is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the usual temperature for Colombes in September?
What is the average humidity in September in Colombes?
What is the driest month in Colombes?
How much does it rain in Colombes in September?
When it does not snow in Colombes?
How many hours of daylight does Colombes have in September?
When is the sunrise / sunset in September in Colombes?
How many hours of sunshine does Colombes have in September?
What is the UV index reading in September in Colombes?
Average temperature in September
Colombes, France
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in September
Colombes, France
- Average pressure in September: 1018.1mbar
The months with the highest atmospheric pressure are September and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in September
Colombes, France
- Average wind speed in September: 10.5km/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 (10.1km/h).
Average humidity in September
Colombes, 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 (68%).
Average rainfall in September
Colombes, France
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (6mm).
Average rainfall days in September
Colombes, France
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is September (7.6 days).
Average snowfall in September
Colombes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Colombes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Colombes, 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 months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Colombes, France
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are February and July (14.3 days).
Average UV index in September
Colombes, 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
Colombes, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in September
Colombes, 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).
Colombes, France
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