September weather forecastSaint-Marcan, France
September
Weather in September
September, the first month of the autumn in Saint-Marcan, is still a refreshing month, with an average temperature fluctuating between 19.2°C (66.6°F) and 13°C (55.4°F).Temperature
Transitioning into September, Saint-Marcan records an average high-temperature of a refreshing 19.2°C (66.6°F), almost identical to August's 20.3°C (68.5°F). Throughout September, Saint-Marcan's nights cool down to an average of 13°C (55.4°F).Humidity
With an average relative humidity of 78%, September is the least humid month in Saint-Marcan, France.Rainfall
The months with the least rainfall are July and September Rain falls for 11.4 days and accumulates 21mm (0.83") of rain.Snowfall
In Saint-Marcan, snow does not fall in April through October.Daylight
In Saint-Marcan, France, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 07:24 and sunset at 20:48. On the last day of the month, sunrise is at 08:05 and sunset at 19:47 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. To guard against the harmful effects of the Sun, minimize exposure during midday. 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
Average temperature in September
Saint-Marcan, France
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (20.3°C).
The months with the lowest average high temperature are January and February (8.7°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Saint-Marcan, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Saint-Marcan, France
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in September
Saint-Marcan, France
- Average humidity in September: 78%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Saint-Marcan, France
- Average rainfall in September: 21mm
The wettest months (with the highest rainfall) are November and December (74mm).
The driest months (with the least rainfall) are July and September (21mm).
Average rainfall days in September
Saint-Marcan, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is November (19.3 days).
The month with the least rainy days is July (10.8 days).
Average snowfall in September
Saint-Marcan, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Marcan, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Saint-Marcan, 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 24min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Saint-Marcan, France
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is July (17.5 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in September
Saint-Marcan, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Saint-Marcan, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 38).
Average visibility in September
Saint-Marcan, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).





