September weather forecastGaillagos, France
September
Weather in September
September, the first month of the autumn in Gaillagos, is still a refreshing month, with an average temperature ranging between min 8.3°C (46.9°F) and max 18.7°C (65.7°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from an agreeable 22.4°C (72.3°F) in August to a comfortable 18.7°C (65.7°F). September brings Gaillagos a consistent average low-temperature of 8.3°C (46.9°F).Humidity
In September, the average relative humidity in Gaillagos is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 38mm (1.5") of precipitation.Snowfall
Months with snowfall in Gaillagos, France, are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, there are 76.6 snowfall days, and 2729mm (107.44") of snow is accumulated.Daylight
In September, the average length of the day in Gaillagos is 12h and 29min.On the first day of the month, sunrise is at 07:25 and sunset at 20:35. On the last day of September, in Gaillagos, sunrise is at 07:57 and sunset at 19:43 CEST.
Sunshine
In Gaillagos, the average sunshine in September is 9.4h.UV index
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: In September, a daily maximum UV index of 4 leads to the following instructions:
Exercise prevention - Warding off sunburn is urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gaillagos, France
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is February (4.3°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is August (11.1°C).
The coldest month (with the lowest average low temperature) is February (-3.6°C).
Average pressure in September
Gaillagos, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Gaillagos, France
- Average wind speed in September: 5.7km/h
The windiest month (with the highest average wind speed) is February (8.3km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in September
Gaillagos, France
- Average humidity in September: 73%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Gaillagos, France
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in September
Gaillagos, France
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Gaillagos, France
- Average snowfall in September: 3mm
The month with the highest snowfall is November (521mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Gaillagos, France
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Gaillagos, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in September
Gaillagos, France
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is April (8.3 days).
Average UV index in September
Gaillagos, 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, March, April, November and December (UV index 2).
Average cloud cover in September
Gaillagos, France
- Average cloud cover in September: 22
The month with the most cloud cover is April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Gaillagos, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, April and November (8km).
