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
September welcomes an average high-temperature of a comfortable 18.7°C (65.7°F), not much different from the preceding month. Throughout the month of September, the average temperature in Blendecques dips to a mild 13.6°C (56.5°F) at night.Humidity
The average relative humidity in September is 76%.Rainfall
In Blendecques, in September, it is raining for 14.1 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Blendecques, there are 185 rainfall days, and 507mm (19.96") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Blendecques.Daylight
In Blendecques, the average length of the day in September is 12h and 37min.On the first day of September in Blendecques, sunrise is at 07:05 and sunset at 20:35. On the last day of the month, sunrise is at 07:50 and sunset at 19:30 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In Blendecques, France, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. It's recommended to limit sun exposure when its radiation is at its peak during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Blendecques in September?
What is the average humidity in September in Blendecques?
How many days does it rain in September in Blendecques?
When it does not snow in Blendecques?
What is the average length of the day in September in Blendecques?
What time are sunrise and sunset in September in Blendecques?
How long on average sun shines in September in Blendecques?
What is the UV index intensity in September in Blendecques?
Average temperature in September
Blendecques, 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
Blendecques, 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
Blendecques, 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
Blendecques, 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
Blendecques, 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
Blendecques, 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
Blendecques, 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
Blendecques, 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
Blendecques, France
- Average daylight in September: 12h and 4min
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 6min).
- Average sunshine in September: 7h and 2min
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
Blendecques, 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
Blendecques, 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
Blendecques, 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
Blendecques, 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).
