Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September involves a subtle temperature drop, shifting from a moderately hot 26.9°C (80.4°F) in August to a still warm 23.7°C (74.7°F). In September, Castelnau-le-Lez encounters an average low-temperature of 17.4°C (63.3°F) during the night.Humidity
In September, the average relative humidity is 66%.Rainfall
In September, in Castelnau-le-Lez, the rain falls for 6.6 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, in Castelnau-le-Lez, there are 107.4 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
In Castelnau-le-Lez, snow does not fall in February through December.Daylight
The average length of the day in September in Castelnau-le-Lez is 12h and 30min.On the first day of September, sunrise is at 07:08 and sunset at 20:19. On the last day of the month, sunrise is at 07:41 and sunset at 19:27 CEST.
Sunshine
The average sunshine in September is 9.3h.UV index
In Castelnau-le-Lez, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Castelnau-le-Lez in September?
What is the average humidity in September in Castelnau-le-Lez?
How many days does it rain in September in Castelnau-le-Lez?
When it does not snow in Castelnau-le-Lez?
How many hours of daylight does Castelnau-le-Lez have in September?
When is the sunrise / sunset in September in Castelnau-le-Lez?
How many hours of sunshine does Castelnau-le-Lez have in September?
What is the UV index reading in September in Castelnau-le-Lez?
Average temperature in September
Castelnau-le-Lez, France
- Average high temperature in September: 23.7°C
The warmest month (with the highest average high temperature) is July (27°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in September: 17.4°C
The months with the highest average low temperature are July and August (20.3°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure in September
Castelnau-le-Lez, France
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in September
Castelnau-le-Lez, France
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).
Average humidity in September
Castelnau-le-Lez, France
- Average humidity in September: 66%
The month with the highest relative humidity is November (74%).
The month with the lowest relative humidity is July (64%).
Average rainfall in September
Castelnau-le-Lez, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is October (80mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in September
Castelnau-le-Lez, France
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is November (13.1 days).
The month with the least rainy days is August (6.5 days).
Average snowfall in September
Castelnau-le-Lez, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Castelnau-le-Lez, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Castelnau-le-Lez, 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: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in September
Castelnau-le-Lez, France
- Average sunshine days in September: 22.2 days
The months with the most sunshine days are July and August (22.3 days).
The month with the least sunshine days is November (14.5 days).
Average UV index in September
Castelnau-le-Lez, 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, November and December (UV index 3).
Average cloud cover in September
Castelnau-le-Lez, France
- Average cloud cover in September: 20
The month with the most cloud cover is November (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in September
Castelnau-le-Lez, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Castelnau-le-Lez, France
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