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The weather in September in Lille

It's pleasantly warm in September in Lille with an average temperature of 19°C. Temperatures this month range from a low of 15°C to a high of 23°C. At night, you can expect temperatures between 4°C and 12°C.

Looking for great weather? September is a good time to be in Lille. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Lille, Maine. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 31°C in 2017, Lille reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 7°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 20°C.

Rainfall amount

In September, there is an average of 84 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in September for Lille

Click on any day in September to get detailed info about the usual weather on that day in Lille. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Lille New York
Average temperature 19°C 27°C
Max. temperature 23°C 31°C
Min. temperature 4°C -5°C
Total precipitation 84 mm 57 mm
Rainy days 11 days 9 days

Start of September

The month of September starts in Lille with warm temps, averaging around 22°C during the day and nights around 11°C.

Mid September

By mid-September, daytime temps drop to around 20°C, with nights around 10°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Lille is around 18°C, while nighttime temps are about 7°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Lille for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Lille, Maine. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Lille

Temperature in September in Lille over the years

Precipitation charts

These charts show the average amount of precipitation in September in Lille, Maine. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Lille

Total precipitation in September in Lille over the years

Daily UV index in September in Lille

This chart shows the average daily UV index in September in Lille, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Lille

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Average weather in Lille by month

Click on a month below to see detailed weather info for Lille. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.