September weather forecastCestas, France

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Cestas, 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

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 27.5°C (81.5°F) in August to a still warm 24.4°C (75.9°F). During the month of September, an average temperature of 13.8°C (56.8°F) is noted during the nights.

Humidity

In Cestas, the average relative humidity in September is 70%.

Rainfall

The month with the least rainfall in Cestas 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.

Daylight

The average length of the day in September is 12h and 31min.
On the first day of September in Cestas, sunrise is at 07:25 and sunset at 20:39. On the last day of the month, sunrise is at 08:00 and sunset at 19:45 CEST.

Sunshine

In Cestas, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

The high-temperature during September is 24.4°C (75.9°F) and the low-temperature is 13.8°C (56.8°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 30°C (86°F).

In September, the average relative humidity in Cestas is 70%.

The month with the least rainfall in Cestas, France, is September, when the rain falls for 8.5 days and typically collects 15mm (0.59") of precipitation.

In Cestas, France, in September, it is raining for 8.5 days, with typically 15mm (0.59") of accumulated precipitation.

In Cestas, France, snow does not fall in January, April through November.

The average day length in September is 12h and 31min.

In September, on the first day of the month, sunrise is at 07:25 and sunset at 20:39. On the last day of the month, in Cestas, France, sunrise is at 08:00 and sunset at 19:45 CEST.

The average sunshine duration in September is 8.5h.

In Cestas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
Cestas, 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
Cestas, 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
Cestas, 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
Cestas, 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
Cestas, 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
Cestas, 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
Cestas, 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
Cestas, 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 daylight in September /
Average sunshine in September
Cestas, 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 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
Cestas, 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
Cestas, 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
Cestas, 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
Cestas, 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).