September weather forecastBlaye, France
September
Weather in September
The first month of the autumn, September, is still a warm month in Blaye, France, with temperature in the range of an average high of 24.4°C (75.9°F) and an average low of 13.8°C (56.8°F).Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 27.5°C (81.5°F) to a still moderately hot 24.4°C (75.9°F). An average minimum temperature of 13.8°C (56.8°F) is recorded during the month of September.Humidity
In September, the average relative humidity is 70%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.5 days and typically collects 15mm (0.59") of precipitation.Snowfall
January, April through November are months without snowfall.Sea temperature
In September, the average sea temperature is 19.8°C (67.6°F).Note: Most people do not enjoy swimming in water of 19.8°C (67.6°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Blaye is 12h and 31min.On the first day of the month, sunrise is at 07:25 and sunset at 20:39. On the last day of September, in Blaye, France, sunrise is at 08:00 and sunset at 19:44 CEST.
Sunshine
In September, the average sunshine in Blaye is 8.5h.UV index
In Blaye, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during September leads to these advisories:
Be vigilant - Preventing sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blaye, France
- Average high temperature in September: 24.4°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in September: 13.8°C
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).
Average pressure in September
Blaye, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Blaye, France
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Blaye, France
- Average humidity in September: 70%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Blaye, France
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in September
Blaye, France
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in September
Blaye, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Blaye, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Blaye, France
- Average sea temperature in September: 19.8°C
The best month for swimming (with the highest average sea temperature) is August (20.4°C).
The coldest month (with the lowest average sea temperature) is February (10.7°C).
Average daylight in September /
Average sunshine in September
Blaye, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Blaye, France
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in September
Blaye, France
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Blaye, France
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Blaye, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).





