September weather forecastCastillon-Debats, France

September

Weather in September

The first month of the autumn, September, is still a warm month in Castillon-Debats, France, with an average temperature varying between 24.4°C (75.9°F) and 13.2°C (55.8°F).

Temperature

Castillon-Debats's transition into September involves a gentle shift in temperature, receding from 27.8°C (82°F) in August to a still warm 24.4°C (75.9°F). In the month of September, an average of 13.2°C (55.8°F) marks the low-temperature in Castillon-Debats.

Humidity

In September, the average relative humidity in Castillon-Debats is 68%.

Rainfall

September is the month with the least rainfall in Castillon-Debats. Rain falls for 9.9 days and accumulates 22mm (0.87") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of the month, sunrise is at 07:23 and sunset at 20:34. On the last day of September, in Castillon-Debats, sunrise is at 07:56 and sunset at 19:41 CEST.

Sunshine

In September, the average sunshine in Castillon-Debats is 8.7h.

UV index

In Castillon-Debats, 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 radiation for the average person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

The high-temperature, in September, in Castillon-Debats, records 24.4°C (75.9°F), while the low-temperature is 13.2°C (55.8°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 30°C (86°F).

In September, the average relative humidity in Castillon-Debats, France, is 68%.

September is the month with the least rainfall in Castillon-Debats. Rain falls for 9.9 days and accumulates 22mm (0.87") of precipitation.

In Castillon-Debats, France, during September, the rain falls for 9.9 days and regularly aggregates up to 22mm (0.87") of precipitation.

In Castillon-Debats, France, snow does not fall in April through October.

The average day length in September is 12h and 30min.

In September, on the first day of the month, sunrise is at 07:23 and sunset at 20:34. On the last day of the month, in Castillon-Debats, sunrise is at 07:56 and sunset at 19:41 CEST.

In Castillon-Debats, the average sunshine duration in September is 8.7h.

In Castillon-Debats, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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
Castillon-Debats, France

  • Average high temperature in September: 24.4°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

Average pressure in September
Castillon-Debats, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in September
Castillon-Debats, France

  • Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).

Average humidity in September
Castillon-Debats, France

  • Average humidity in September: 68%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September
Castillon-Debats, France

  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is May (52mm).
The driest month (with the least rainfall) is September (22mm).

Average rainfall days in September
Castillon-Debats, France

  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (9.9 days).

Average snowfall in September
Castillon-Debats, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Castillon-Debats, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.1 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
Castillon-Debats, 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 42min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in September
Castillon-Debats, France

  • Average sunshine days in September: 18.2 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is April (12.7 days).

Average UV index in September
Castillon-Debats, 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 and November (UV index 2).

Average cloud cover in September
Castillon-Debats, France

  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in September
Castillon-Debats, France

  • Average visibility in September: 9km

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