September weather forecastLe Castéra, France

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Le Castéra, France, with an average temperature fluctuating between 24.7°C (76.5°F) and 13.7°C (56.7°F).

Temperature

Le Castéra's progression into September involves a gentle drop in the average high-temperature, from 28.4°C (83.1°F) in August to a still moderately hot 24.7°C (76.5°F). Le Castéra throughout September, experiences an average nighttime temperature of 13.7°C (56.7°F).

Humidity

In Le Castéra, the average relative humidity in September is 67%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.7 days and accumulates 26mm (1.02") of precipitation.

Snowfall

April through October are months without snowfall in Le Castéra.

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of the month, sunrise is at 07:19 and sunset at 20:30. On the last day of September, in Le Castéra, sunrise is at 07:52 and sunset at 19:38 CEST.

Sunshine

In September, the average sunshine in Le Castéra, France, is 8.5h.

UV index

In September, the average daily maximum UV index in Le Castéra is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 5 during September translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

In Le Castéra, in September, the average high-temperature is 24.7°C (76.5°F), and the average low-temperature is 13.7°C (56.7°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 31°C (87.8°F).

In September, the average relative humidity is 67%.

September is the month with the least rainfall in Le Castéra, France. Rain falls for 10.7 days and accumulates 26mm (1.02") of precipitation.

In Le Castéra, France, in September, during 10.7 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

April through October are months without snowfall.

In Le Castéra, the average day length in September is 12h and 30min.

In September, on the first day of the month, sunrise is at 07:19 and sunset at 20:30. On the last day of the month, in Le Castéra, sunrise is at 07:52 and sunset at 19:38 CEST.

In Le Castéra, the average sunshine duration in September is 8.5h.

The average daily maximum UV index in September in Le Castéra, France, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Le Castéra, France

  • Average high temperature in September: 24.7°C

The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in September: 13.7°C

The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).

Average pressure in September
Le Castéra, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in September
Le Castéra, France

  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest months (with the lowest average wind speed) are August and September (9.7km/h).

Average humidity in September
Le Castéra, France

  • Average humidity in September: 67%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Le Castéra, France

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in September
Le Castéra, France

  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is September (10.7 days).

Average snowfall in September
Le Castéra, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Le Castéra, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.7 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
Le Castéra, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • 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 January (Average sunshine: 4h and 54min).

Average sunshine days in September
Le Castéra, France

  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in September
Le Castéra, France

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in September
Le Castéra, France

  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Le Castéra, France

  • Average visibility in September: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).