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
September
Weather in September
Temperature
The arrival of September corresponds with a light shift in temperature, down from a moderately hot 25.4°C (77.7°F) in August to an agreeable 20.6°C (69.1°F). September nights in Castellane, France, are marked by an average low-temperature of 9.2°C (48.6°F).Humidity
The average relative humidity in September in Castellane, France, is 69%.Rainfall
In September, in Castellane, the rain falls for 11.7 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Castellane, there are 137.8 rainfall days, and 579mm (22.8") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in September in Castellane is 12h and 31min.On the first day of the month, sunrise is at 06:57 and sunset at 20:09. On the last day of September, sunrise is at 07:30 and sunset at 19:16 CEST.
Sunshine
In Castellane, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index in Castellane, France, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Castellane?
What is the average humidity in September in Castellane?
How many days does it rain in September in Castellane?
When it does not snow in Castellane?
Does it snow in Castellane in September?
What is the average length of the day in September in Castellane?
What time are sunrise and sunset in September in Castellane?
How long on average sun shines in September in Castellane?
How high is the UV index in September in Castellane?
Average temperature in September
Castellane, France
- Average high temperature in September: 20.6°C
The warmest months (with the highest average high temperature) are July and August (25.4°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (-3.1°C).
Average pressure in September
Castellane, France
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is April (1014.3mbar).
Average wind speed in September
Castellane, France
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7.4km/h).
Average humidity in September
Castellane, France
- Average humidity in September: 69%
The months with the highest relative humidity are February and November (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Castellane, France
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is January (28mm).
Average rainfall days in September
Castellane, France
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Castellane, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (60mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Castellane, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Castellane, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and November (Average sunshine: 6h and 24min).
Average sunshine days in September
Castellane, France
- Average sunshine days in September: 16.7 days
The months with the most sunshine days are January and December (19.8 days).
The months with the least sunshine days are May and June (12.1 days).
Average UV index in September
Castellane, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Castellane, France
- Average cloud cover in September: 19
The month with the most cloud cover is November (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Castellane, France
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
