September weather forecastBordeaux-Saint-Clair, France
September
Weather in September
September, the first month of the autumn in Bordeaux-Saint-Clair, is still a refreshing month, with an average temperature ranging between max 17.9°C (64.2°F) and min 14.6°C (58.3°F).Temperature
With the advent of September, Bordeaux-Saint-Clair experiences an average high-temperature of a still comfortable 17.9°C (64.2°F), mirroring a close resemblance to the previous month. Nighttime in Bordeaux-Saint-Clair, France, during September, brings an average low of 14.6°C (58.3°F), a modest reduction from the day's peak.Humidity
September is the least humid month, with an average relative humidity of 78%.Rainfall
In Bordeaux-Saint-Clair, France, during September, the rain falls for 14 days and regularly aggregates up to 37mm (1.46") of precipitation. In Bordeaux-Saint-Clair, during the entire year, the rain falls for 185.9 days and collects up to 521mm (20.51") of precipitation.Snowfall
May through November are months without snowfall.Daylight
In Bordeaux-Saint-Clair, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 07:15 and sunset at 20:42. On the last day of the month, sunrise is at 07:58 and sunset at 19:39 CEST.
Sunshine
The average sunshine in September in Bordeaux-Saint-Clair is 7.3h.UV index
In Bordeaux-Saint-Clair, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bordeaux-Saint-Clair, France
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (8.1°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (5.2°C).
Average pressure in September
Bordeaux-Saint-Clair, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Bordeaux-Saint-Clair, France
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is December (29.2km/h).
The calmest months (with the lowest average wind speed) are July and August (18km/h).
Average humidity in September
Bordeaux-Saint-Clair, France
- Average humidity in September: 78%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Bordeaux-Saint-Clair, France
- Average rainfall in September: 37mm
The wettest months (with the highest rainfall) are November and December (58mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Bordeaux-Saint-Clair, France
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is April (12.6 days).
Average snowfall in September
Bordeaux-Saint-Clair, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Bordeaux-Saint-Clair, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Bordeaux-Saint-Clair, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in September
Bordeaux-Saint-Clair, France
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (8.9 days).
Average UV index in September
Bordeaux-Saint-Clair, 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 and November (UV index 2).
Average cloud cover in September
Bordeaux-Saint-Clair, France
- Average cloud cover in September: 42
The months with the most cloud cover are November and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Bordeaux-Saint-Clair, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
