September weather forecastLe Blanc, France

September

Weather in September

September, the first month of the autumn in Le Blanc, is still a pleasant month, with an average temperature fluctuating between 12°C (53.6°F) and 22.2°C (72°F).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 25.3°C (77.5°F) in August to an agreeable 22.2°C (72°F). September's nights in Le Blanc observe an average temperature of 12°C (53.6°F).

Humidity

The average relative humidity in September is 72%.

Rainfall

The month with the least rainfall in Le Blanc is September, when the rain falls for 8.1 days and typically collects 19mm (0.75") of precipitation.

Snowfall

April through October are months without snowfall in Le Blanc.

Daylight

In September, the average length of the day in Le Blanc is 12h and 33min.
On the first day of September, sunrise is at 07:16 and sunset at 20:34. On the last day of the month, sunrise is at 07:53 and sunset at 19:37 CEST.

Sunshine

The average sunshine in September in Le Blanc is 8h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

The high-temperature in Le Blanc, France, during September is 22.2°C (72°F) and the low-temperature is 12°C (53.6°F).

In Le Blanc, France, the average relative humidity in September is 72%.

The month with the least rainfall is September, when the rain falls for 8.1 days and typically collects 19mm (0.75") of precipitation.

In Le Blanc, France, in September, during 8.1 rainfall days, 19mm (0.75") of precipitation is typically accumulated.

In Le Blanc, snow does not fall in April through October.

The average day length in September in Le Blanc, France, is 12h and 33min.

On the first day of September in Le Blanc, France, sunrise is at 07:16 and sunset at 20:34. On the last day of the month, sunrise is at 07:53 and sunset at 19:37 CEST.

In September, the average sunshine duration in Le Blanc, France, is 8h.

The months with the highest UV index in Le Blanc are June through September, with an average maximum UV index of 5.

The average daily maximum UV index in September in Le Blanc, France, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Le Blanc, France

  • Average high temperature in September: 22.2°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (7.6°C).

  • Average low temperature in September: 12°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).

Average pressure in September
Le Blanc, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in September
Le Blanc, France

  • Average wind speed in September: 11.6km/h

The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

Average humidity in September
Le Blanc, France

  • Average humidity in September: 72%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Le Blanc, France

  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is September (19mm).

Average rainfall days in September
Le Blanc, France

  • Average rainfall days in September: 8.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.1 days).

Average snowfall in September
Le Blanc, France

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (5mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Le Blanc, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Le Blanc, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Le Blanc, France

  • Average sunshine days in September: 19.3 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is November (11.5 days).

Average UV index in September
Le Blanc, France

  • Average UV index in September: 5

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in September
Le Blanc, France

  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in September
Le Blanc, 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).