September weather forecastLestrem, France

September

Weather in September

September, the first month of the autumn in Lestrem, is still a refreshing month, with an average temperature fluctuating between 11.4°C (52.5°F) and 19.6°C (67.3°F).

Temperature

Lestrem observes a small decrease in the average high-temperature with the arrival of September, falling from August's pleasant 22.8°C (73°F) to a comfortable 19.6°C (67.3°F). The average low-temperature in Lestrem, France, during September nights is a cool 11.4°C (52.5°F).

Humidity

The average relative humidity in September in Lestrem is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.4 days and accumulates 18mm (0.71") of precipitation.

Snowfall

In Lestrem, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 37min.
On the first day of September in Lestrem, sunrise is at 07:04 and sunset at 20:33. On the last day of the month, sunrise is at 07:48 and sunset at 19:29 CEST.

Sunshine

In Lestrem, the average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index in Lestrem is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

The high-temperature, in September, in Lestrem, records 19.6°C (67.3°F), while the low-temperature is 11.4°C (52.5°F).

The average relative humidity in September in Lestrem, France, is 77%.

The month with the least rainfall in Lestrem is September, when the rain falls for 10.4 days and typically collects 18mm (0.71") of precipitation.

In September, in Lestrem, the rain falls for 10.4 days. Throughout September, 18mm (0.71") of precipitation is accumulated.

April through October are months without snowfall in Lestrem.

In September, the average day length is 12h and 37min.

In September, on the first day of the month, sunrise is at 07:04 and sunset at 20:33. On the last day of the month, in Lestrem, France, sunrise is at 07:48 and sunset at 19:29 CEST.

The average sunshine duration in September in Lestrem is 7.2h.

The average daily maximum UV index in September in Lestrem, France, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lestrem, 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
Lestrem, 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
Lestrem, 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
Lestrem, 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
Lestrem, 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
Lestrem, 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
Lestrem, 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
Lestrem, 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
Lestrem, 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 6min).

  • Average sunshine in September: 7h and 12min

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
Lestrem, 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
Lestrem, 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
Lestrem, 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
Lestrem, 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).