September weather forecastWatten, France
September
Weather in September
September, the first month of the autumn in Watten, is still a refreshing month, with an average temperature ranging between min 13.6°C (56.5°F) and max 18.7°C (65.7°F).Temperature
The commencement of September notes an average high-temperature of a comfortable 18.7°C (65.7°F), exhibiting little difference from the previous month. During September nights, Watten witnesses a consistent average temperature of 13.6°C (56.5°F).Humidity
The average relative humidity in September in Watten is 76%.Rainfall
In Watten, during September, the rain falls for 14.1 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 185 rainfall days, and 507mm (19.96") of precipitation is accumulated.Snowfall
In Watten, France, snow does not fall in April through October.Daylight
In September, the average length of the day in Watten, France, is 12h and 38min.On the first day of September in Watten, sunrise is at 07:05 and sunset at 20:36. On the last day of the month, sunrise is at 07:50 and sunset at 19:31 CEST.
Sunshine
In September, the average sunshine in Watten is 7.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Watten, France
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).
Average pressure in September
Watten, France
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Watten, France
- Average wind speed in September: 17.7km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is July (16.6km/h).
Average humidity in September
Watten, France
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Watten, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Watten, France
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is November (18.3 days).
The month with the least rainy days is April (11.6 days).
Average snowfall in September
Watten, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Watten, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Watten, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Watten, France
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is April (16.5 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in September
Watten, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Watten, France
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 38).
Average visibility in September
Watten, France
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
