September weather forecastCastets-en-Dorthe, France
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Castets-en-Dorthe, France, with temperature in the range of an average high of 24.9°C (76.8°F) and an average low of 13°C (55.4°F).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's 28.6°C (83.5°F) to a still warm 24.9°C (76.8°F). Castets-en-Dorthe observes an average nighttime low-temperature of 13°C (55.4°F) during the month of September.Humidity
In Castets-en-Dorthe, the average relative humidity in September is 71%.Rainfall
The month with the least rainfall in Castets-en-Dorthe is September, when the rain falls for 10.8 days and typically collects 25mm (0.98") of precipitation.Snowfall
In Castets-en-Dorthe, France, snow does not fall in April through November.Daylight
In Castets-en-Dorthe, the average length of the day in September is 12h and 31min.On the first day of September in Castets-en-Dorthe, sunrise is at 07:23 and sunset at 20:37. On the last day of the month, sunrise is at 07:57 and sunset at 19:42 CEST.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Castets-en-Dorthe, France, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castets-en-Dorthe, France
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (9.2°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is February (3.2°C).
Average pressure in September
Castets-en-Dorthe, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Castets-en-Dorthe, France
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest months (with the lowest average wind speed) are August and September (7.1km/h).
Average humidity in September
Castets-en-Dorthe, France
- Average humidity in September: 71%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Castets-en-Dorthe, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Castets-en-Dorthe, France
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in September
Castets-en-Dorthe, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Castets-en-Dorthe, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Castets-en-Dorthe, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Castets-en-Dorthe, France
- Average sunshine days in September: 16.5 days
The months with the most sunshine days are August and October (17.1 days).
The months with the least sunshine days are April and May (11.5 days).
Average UV index in September
Castets-en-Dorthe, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in September
Castets-en-Dorthe, France
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in September
Castets-en-Dorthe, France
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
