September weather forecastCoutances, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Coutances, France, with an average temperature varying between 11.4°C (52.5°F) and 18.9°C (66°F).Temperature
The start of September sees the average high-temperature at a comfortable 18.9°C (66°F), showing little difference from August's 21°C (69.8°F). An average low-temperature of 11.4°C (52.5°F) is anticipated throughout the nights during September.Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 81%.Rainfall
The month with the least rainfall in Coutances is September, when the rain falls for 13.1 days and typically collects 25mm (0.98") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:23 and sunset at 20:48. On the last day of September, sunrise is at 08:04 and sunset at 19:46 CEST.
Sunshine
The average sunshine in September in Coutances is 7.2h.UV index
In Coutances, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Coutances, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Coutances, 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 (1012.2mbar).
Average wind speed in September
Coutances, France
- Average wind speed in September: 14.4km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in September
Coutances, France
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are July, August and September (81%).
Average rainfall in September
Coutances, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Coutances, France
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (13.1 days).
Average snowfall in September
Coutances, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Coutances, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Coutances, France
- Average daylight in September: 12h and 36min
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 12min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and November (Average sunshine: 3h and 54min).
Average sunshine days in September
Coutances, France
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in September
Coutances, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Coutances, France
- Average cloud cover in September: 42
The months with the most cloud cover are January and November (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 42).
Average visibility in September
Coutances, 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).
