September weather forecastGlannes, France
September
Weather in September
September, the first month of the autumn in Glannes, is also an agreeable month, with an average temperature varying between 20.5°C (68.9°F) and 11.3°C (52.3°F).Temperature
In Glannes, the average high-temperature in September slightly decreases from a moderately hot 24.4°C (75.9°F) in August to an agreeable 20.5°C (68.9°F). Glannes witnesses an average low-temperature of 11.3°C (52.3°F) throughout the month of September.Humidity
In Glannes, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall in Glannes is September, when the rain falls for 10.9 days and typically collects 30mm (1.18") of precipitation.Snowfall
In Glannes, snow does not fall in April through October.Daylight
In September, the average length of the day in Glannes is 12h and 35min.On the first day of September in Glannes, sunrise is at 06:59 and sunset at 20:23. On the last day of the month, sunrise is at 07:40 and sunset at 19:22 CEST.
Sunshine
In Glannes, the average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Glannes, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Glannes, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Glannes, France
- Average wind speed in September: 9.8km/h
The windiest months (with the highest average wind speed) are February and December (14km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Glannes, France
- Average humidity in September: 75%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Glannes, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Glannes, France
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in September
Glannes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Glannes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4 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
Glannes, 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 54min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Glannes, France
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in September
Glannes, France
- Average UV index in September: 4
The months with the highest UV index are June, 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
Glannes, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in September
Glannes, France
- Average visibility in September: 9km
The months with the highest visibility are March, April, July, August and September (9km).
The months with the lowest visibility are January, February, May, June, October, November and December (8km).
