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
The transition from August to September brings an average high-temperature of a pleasant 20.8°C (69.4°F), barely different from August's 23.3°C (73.9°F). Saint-Aignan-sur-Roë experiences a nighttime temperature average of 10.6°C (51.1°F) during September.Humidity
The months with the lowest humidity in Saint-Aignan-sur-Roë are August and September, with an average relative humidity of 77%.Rainfall
September is the month with the least rainfall. Rain falls for 9.8 days and accumulates 14mm (0.55") of precipitation.Snowfall
In Saint-Aignan-sur-Roë, snow does not fall in May through October.Daylight
In Saint-Aignan-sur-Roë, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 07:23 and sunset at 20:45. On the last day of September, in Saint-Aignan-sur-Roë, sunrise is at 08:03 and sunset at 19:45 CEST.
Sunshine
In Saint-Aignan-sur-Roë, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September in Saint-Aignan-sur-Roë, France, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 4 in September transforms into this advice:
Ensure safety - Recommendations to avert sunburn are presented. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Saint-Aignan-sur-Roë?
What is the least humid month in Saint-Aignan-sur-Roë?
What is the average humidity in September in Saint-Aignan-sur-Roë?
What is the driest month in Saint-Aignan-sur-Roë?
How much does it rain in Saint-Aignan-sur-Roë in September?
When it does not snow in Saint-Aignan-sur-Roë?
What is the average length of the day in September in Saint-Aignan-sur-Roë?
What time are sunrise and sunset in September in Saint-Aignan-sur-Roë?
How many hours of sunshine does Saint-Aignan-sur-Roë have in September?
How high is the UV index in September in Saint-Aignan-sur-Roë?
Average temperature in September
Saint-Aignan-sur-Roë, France
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure in September
Saint-Aignan-sur-Roë, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Saint-Aignan-sur-Roë, France
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Saint-Aignan-sur-Roë, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
Saint-Aignan-sur-Roë, France
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is June (37mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in September
Saint-Aignan-sur-Roë, France
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in September
Saint-Aignan-sur-Roë, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (6mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Aignan-sur-Roë, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Saint-Aignan-sur-Roë, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Saint-Aignan-sur-Roë, France
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in September
Saint-Aignan-sur-Roë, France
- Average UV index in September: 4
The months with the highest UV index are June and 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
Saint-Aignan-sur-Roë, France
- Average cloud cover in September: 41
The months with the most cloud cover are January and November (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in September
Saint-Aignan-sur-Roë, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, June, July, November and December (9km).
The months with the lowest visibility are January, May, August, September and October (8km).
