September weather forecast
Le Haillan, France

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Le Haillan, France, with an average temperature varying between 13.8°C (56.8°F) and 24.4°C (75.9°F).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a moderately hot 27.5°C (81.5°F) in August to a still warm 24.4°C (75.9°F). September in Le Haillan sees the temperature falling to a mean low of 13.8°C (56.8°F).

Humidity

In Le Haillan, the average relative humidity in September is 70%.

Rainfall

The month with the least rainfall in Le Haillan, France, is September, when the rain falls for 8.5 days and typically collects 15mm (0.59") of precipitation.

Snowfall

January, April through November are months without snowfall.

Daylight

In Le Haillan, France, the average length of the day in September is 12h and 31min.
On the first day of September in Le Haillan, France, sunrise is at 07:25 and sunset at 20:39. On the last day of the month, sunrise is at 08:00 and sunset at 19:44 CEST.

Sunshine

In Le Haillan, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What is the temperature in September in Le Haillan?

The average high-temperature and low-temperature in Le Haillan during September are 24.4°C (75.9°F) and 13.8°C (56.8°F) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in August is computed to be 30°C (86°F).

What is the average humidity in September in Le Haillan?

In Le Haillan, the average relative humidity in September is 70%.

What is the driest month in Le Haillan?

The month with the least rainfall is September, when the rain falls for 8.5 days and typically collects 15mm (0.59") of precipitation.

How many days does it rain in September in Le Haillan?

In Le Haillan, in September, it is raining for 8.5 days, with typically 15mm (0.59") of accumulated precipitation.

When it does not snow in Le Haillan?

In Le Haillan, France, snow does not fall in January, April through November.

How many hours of daylight does Le Haillan have in September?

In Le Haillan, the average day length in September is 12h and 31min.

When is the sunrise / sunset in September in Le Haillan?

On the first day of September, sunrise is at 07:25 and sunset at 20:39. On the last day of the month, sunrise is at 08:00 and sunset at 19:44 CEST.

How long on average sun shines in September in Le Haillan?

In September, the average sunshine duration in Le Haillan, France, is 8.5h.

What is the UV index intensity in September in Le Haillan?

In September, the average daily maximum UV index in Le Haillan, France, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Le Haillan, France

Average temperature in September - Le Haillan, France
  • Average high temperature in September: 24.4°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (9.8°C).

  • Average low temperature in September: 13.8°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).

Average pressure in September
Le Haillan, France

Average pressure in September - Le Haillan, France
  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is November (1015mbar).

Average wind speed in September
Le Haillan, France

Average wind speed in September - Le Haillan, France
  • Average wind speed in September: 9km/h

The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

Average humidity in September
Le Haillan, France

Average humidity in September - Le Haillan, France
  • Average humidity in September: 70%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Le Haillan, France

Average rainfall in September - Le Haillan, France
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in September
Le Haillan, France

Average rainfall days in September - Le Haillan, France
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is September (8.5 days).

Average snowfall in September
Le Haillan, France

Average snowfall in September - Le Haillan, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Le Haillan, France

Average snowfall days in September - Le Haillan, France
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are February and December (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Le Haillan, France
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Le Haillan, France

Average sunshine days in September - Le Haillan, France
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are May and June (13.8 days).

Average UV index in September
Le Haillan, France

Average UV index in September - Le Haillan, France
  • Average UV index in September: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in September
Le Haillan, France

Average cloud cover in September - Le Haillan, France
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Le Haillan, France

Average visibility in September - Le Haillan, France
  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

Le Haillan, France

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