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 onset of September marks an average high-temperature of an enjoyable 18.9°C (66°F), hardly differing from August's 20.9°C (69.6°F). Throughout September, the temperature in Cairon falls to an average low of 12.3°C (54.1°F).Humidity
August and September, with an average relative humidity of 80%, are the least humid months.Rainfall
September is the month with the least rainfall in Cairon. Rain falls for 12.9 days and accumulates 27mm (1.06") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Cairon, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:18 and sunset at 20:44. On the last day of September, sunrise is at 08:00 and sunset at 19:42 CEST.
Sunshine
In Cairon, the average sunshine in September is 7.5h.UV index
In Cairon, France, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the temperature in September in Cairon?
What is the least humid month in Cairon?
What is the average humidity in September in Cairon?
What is the driest month in Cairon?
How many days does it rain in September in Cairon?
When it does not snow in Cairon?
What is the average length of the day in September in Cairon?
When are sunrise and sunset in September in Cairon?
How long on average sun shines in September in Cairon?
What is the UV index intensity in September in Cairon?
Average temperature in September
Cairon, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in September
Cairon, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Cairon, France
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (23.2km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in September
Cairon, France
- Average humidity in September: 80%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (80%).
Average rainfall in September
Cairon, France
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Cairon, France
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in September
Cairon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Cairon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Cairon, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Cairon, France
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January, February and November (9.3 days).
Average UV index in September
Cairon, France
- Average UV index in September: 4
The months with the highest UV index are 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
Cairon, France
- Average cloud cover in September: 40
The months with the most cloud cover are January and November (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in September
Cairon, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, July, August, September, October and December (10km).
The months with the lowest visibility are January, May, June and November (9km).
Cairon, France
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