September weather forecastMerdrignac, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Merdrignac, France, with an average temperature ranging between min 11.5°C (52.7°F) and max 19.2°C (66.6°F).Temperature
Merdrignac's weather in September indicates an average high-temperature of an enjoyable 19.2°C (66.6°F), nearly consistent with the 20.6°C (69.1°F) of August. In Merdrignac, an average low-temperature of 11.5°C (52.7°F) is recorded during September nights.Humidity
With an average relative humidity of 81%, September is the least humid month.Rainfall
The month with the least rainfall in Merdrignac is September, when the rain falls for 11 days and typically collects 18mm (0.71") of precipitation.Snowfall
In Merdrignac, France, snow does not fall in May through October.Daylight
In Merdrignac, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:28 and sunset at 20:50. On the last day of September, in Merdrignac, sunrise is at 08:08 and sunset at 19:50 CEST.
Sunshine
In September, the average sunshine in Merdrignac is 7.2h.UV index
The average daily maximum UV index in September in Merdrignac is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Act with care - The need to guard against sun damage is communicated. When the Sun is at its strongest around midday, find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Merdrignac, France
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in September: 11.5°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 (3.8°C).
Average pressure in September
Merdrignac, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Merdrignac, France
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is August (13.8km/h).
Average humidity in September
Merdrignac, France
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is September (81%).
Average rainfall in September
Merdrignac, France
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is November (50mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Merdrignac, France
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is November (17.4 days).
The month with the least rainy days is September (11 days).
Average snowfall in September
Merdrignac, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Merdrignac, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Merdrignac, France
- Average daylight in September: 12h and 36min
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 24min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Merdrignac, France
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is November (8.3 days).
Average UV index in September
Merdrignac, 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
Merdrignac, France
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in September
Merdrignac, 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).
