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 transition into September subtly indicates a reduction in the average high-temperature, down to an enjoyable 19.6°C (67.3°F) from August's pleasant 22.8°C (73°F). Nighttime temperature in Liévin experiences an average drop to a fresh 11.4°C (52.5°F) in September.Humidity
The average relative humidity in September in Liévin is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.4 days and typically collects 18mm (0.71") of precipitation.Snowfall
In Liévin, snow does not fall in April through October.Daylight
The average length of the day in September in Liévin is 12h and 37min.On the first day of the month, sunrise is at 07:04 and sunset at 20:33. On the last day of September, sunrise is at 07:48 and sunset at 19:29 CEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the usual temperature for Liévin in September?
What is the average humidity in September in Liévin?
What is the driest month in Liévin?
How many days does it rain in September in Liévin?
When it does not snow in Liévin?
What is the average length of the day in September in Liévin?
When are sunrise and sunset in September in Liévin?
How long on average sun shines in September in Liévin?
How high is the UV index in September in Liévin?
Average temperature in September
Liévin, France
- Average high temperature in September: 19.6°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Liévin, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Liévin, France
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in September
Liévin, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Liévin, France
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Liévin, France
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is September (10.4 days).
Average snowfall in September
Liévin, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Liévin, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Liévin, 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 1min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Liévin, France
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in September
Liévin, 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
Liévin, France
- Average cloud cover in September: 44
The months with the most cloud cover are January and November (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Liévin, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Liévin, France
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