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
September is characterized by a slight reduction in average high-temperature, easing from an agreeable 22.3°C (72.1°F) in August to a refreshing 18.5°C (65.3°F). Throughout September in Longuyon, a steady low-temperature average of 9.3°C (48.7°F) is noted.Humidity
In September, the average relative humidity in Longuyon is 81%.Rainfall
In Longuyon, in September, during 12.5 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 179.3 rainfall days, and 612mm (24.09") of precipitation is accumulated.Snowfall
In Longuyon, France, snow does not fall in May through October.Daylight
In September, the average length of the day in Longuyon, France, is 12h and 36min.On the first day of September in Longuyon, France, sunrise is at 06:54 and sunset at 20:20. On the last day of the month, sunrise is at 07:36 and sunset at 19:18 CEST.
Sunshine
In September, the average sunshine in Longuyon, France, is 7.8h.UV index
In Longuyon, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the average September temperature in Longuyon?
What is the average humidity in September in Longuyon?
How many days does it rain in September in Longuyon?
When it does not snow in Longuyon?
What is the average length of the day in September in Longuyon?
What time are sunrise and sunset in September in Longuyon?
How long on average sun shines in September in Longuyon?
How high is the UV index in September in Longuyon?
Average temperature in September
Longuyon, France
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9.3°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Longuyon, France
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Longuyon, France
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Longuyon, France
- Average humidity in September: 81%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in September
Longuyon, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Longuyon, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Longuyon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Longuyon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Longuyon, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Longuyon, France
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).
Average UV index in September
Longuyon, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Longuyon, France
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Longuyon, France
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).
Longuyon, France
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