September weather forecastCastet, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Castet, France, with an average temperature ranging between max 19.9°C (67.8°F) and min 8.5°C (47.3°F).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 23.3°C (73.9°F) in August to a comfortable 19.9°C (67.8°F). In Castet, the September nights cool down to an average low of 8.5°C (47.3°F).Humidity
In Castet, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall in Castet, France, is September, when the rain falls for 13.2 days and typically collects 43mm (1.69") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Castet, France, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 07:26 and sunset at 20:36. On the last day of September, in Castet, sunrise is at 07:58 and sunset at 19:44 CEST.
Sunshine
In Castet, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during September leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castet, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in September
Castet, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Castet, France
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is November (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in September
Castet, France
- Average humidity in September: 75%
The months with the highest relative humidity are February, March and April (82%).
The months with the lowest relative humidity are August and October (74%).
Average rainfall in September
Castet, France
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in September
Castet, France
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is December (12.9 days).
Average snowfall in September
Castet, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (69mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Castet, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Castet, 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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).
Average sunshine days in September
Castet, France
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is December (16.5 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in September
Castet, 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, March, November and December (UV index 2).
Average cloud cover in September
Castet, France
- Average cloud cover in September: 29
The month with the most cloud cover is April (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Castet, France
- Average visibility in September: 9km
The months with the highest visibility are August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July and November (8km).
