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
September's onset in Caen records a minor alteration in the average high-temperature to an enjoyable 18.9°C (66°F) from August's 20.9°C (69.6°F). During September, the temperature is averaged to a low of 12.3°C (54.1°F) at night.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 Caen. Rain falls for 12.9 days and accumulates 27mm (1.06") of precipitation.Snowfall
In Caen, snow does not fall in May through October.Daylight
The average length of the day in September in Caen is 12h and 35min.On the first day of September in Caen, sunrise is at 07:18 and sunset at 20:44. On the last day of the month, sunrise is at 08:00 and sunset at 19:42 CEST.
Sunshine
The average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September in Caen is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the usual temperature for Caen in September?
What is the least humid month in Caen?
What is the average humidity in September in Caen?
What is the driest month in Caen?
How many days does it rain in September in Caen?
When it does not snow in Caen?
How many hours of daylight does Caen have in September?
When is the sunrise / sunset in September in Caen?
How long on average sun shines in September in Caen?
What is the UV index reading in September in Caen?
Average temperature in September
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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
Caen, 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).
Caen, France
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