September weather forecast
Castets, France

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Weather in September

September, the first month of the autumn in Castets, is also a moderately hot month, with an average temperature fluctuating between 13.4°C (56.1°F) and 24.6°C (76.3°F).

Temperature

Entering September, the average high-temperature is recorded at a still moderately hot 24.6°C (76.3°F), exhibiting a minimal shift from August's 27.2°C (81°F). Castets experiences a mean temperature of 13.4°C (56.1°F) during September nights.

Humidity

The months with the lowest humidity in Castets are August and September, with an average relative humidity of 74%.

Rainfall

In September, the rain falls for 12.3 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 182.1 rainfall days, and 634mm (24.96") of precipitation is accumulated.

Snowfall

January, April through November are months without snowfall.

Daylight

The average length of the day in September in Castets is 12h and 31min.
On the first day of September, sunrise is at 07:28 and sunset at 20:40. On the last day of the month, sunrise is at 08:01 and sunset at 19:47 CEST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Castets, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the temperature in September in Castets?

In Castets, 24.6°C (76.3°F) is the average high-temperature and 13.4°C (56.1°F) is the average low-temperature during September. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 30°C (86°F).

What are the least humid months in Castets?

August and September, with an average relative humidity of 74%, are the least humid months in Castets, France.

What is the average humidity in September in Castets?

The average relative humidity in September is 74%.

How many days does it rain in September in Castets?

In Castets, France, during September, the rain falls for 12.3 days and regularly aggregates up to 36mm (1.42") of precipitation.

When it does not snow in Castets?

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

How many hours of daylight does Castets have in September?

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

What time are sunrise and sunset in September in Castets?

On the first day of September in Castets, France, sunrise is at 07:28 and sunset at 20:40. On the last day of the month, sunrise is at 08:01 and sunset at 19:47 CEST.

How long on average sun shines in September in Castets?

The average sunshine duration in September in Castets, France, is 8.7h.

What is the UV index reading in September in Castets?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Castets, France

Average temperature in September - Castets, France
  • Average high temperature in September: 24.6°C

The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (10.7°C).

  • Average low temperature in September: 13.4°C

The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

Average pressure in September
Castets, France

Average pressure in September - Castets, France
  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Castets, France

Average wind speed in September - Castets, France
  • Average wind speed in September: 7.5km/h

The windiest months (with the highest average wind speed) are January and February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.5km/h).

Average humidity in September
Castets, France

Average humidity in September - Castets, France
  • Average humidity in September: 74%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (74%).

Average rainfall in September
Castets, France

Average rainfall in September - Castets, France
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is August (31mm).

Average rainfall days in September
Castets, France

Average rainfall days in September - Castets, France
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (12.3 days).

Average snowfall in September
Castets, France

Average snowfall in September - Castets, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Castets, France

Average snowfall days in September - Castets, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Castets, France

Average daylight in September / Average sunshine in September - Castets, France
  • Average daylight in September: 12h and 3min

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 4min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).

Average sunshine days in September
Castets, France

Average sunshine days in September - Castets, France
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in September
Castets, France

Average UV index in September - Castets, France
  • Average UV index in September: 5

The month with the highest UV index is July (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
Castets, France

Average cloud cover in September - Castets, France
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in September
Castets, France

Average visibility in September - Castets, 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).

Castets, France

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