September weather forecastLes Martys, France

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Les Martys, France, with an average temperature ranging between min 12.5°C (54.5°F) and max 23.2°C (73.8°F).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a still warm 23.2°C (73.8°F) from August's moderately hot 27.8°C (82°F). Les Martys experiences an average low-temperature reading of 12.5°C (54.5°F) throughout September.

Humidity

In Les Martys, the average relative humidity in September is 70%.

Rainfall

August and September are months with the least rain when the rain falls for 9 days and typically aggregates up to 16mm (0.63") of rain.

Snowfall

In Les Martys, snow does not fall in April through October.

Daylight

In Les Martys, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 07:15 and sunset at 20:25. On the last day of September, in Les Martys, France, sunrise is at 07:47 and sunset at 19:33 CEST.

Sunshine

In Les Martys, the average sunshine in September is 9h.

UV index

In Les Martys, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

September temperatures in Les Martys vary between a high-temperature of 23.2°C (73.8°F) and a low-temperature of 12.5°C (54.5°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 30°C (86°F).

In September, the average relative humidity in Les Martys is 70%.

August and September are months with the least rain in Les Martys when the rain falls for 9 days and typically aggregates up to 16mm (0.63") of rain.

In Les Martys, France, in September, during 9 rainfall days, 16mm (0.63") of precipitation is typically accumulated.

In Les Martys, France, snow does not fall in April through October.

In Les Martys, France, the average day length in September is 12h and 30min.

On the first day of September in Les Martys, France, sunrise is at 07:15 and sunset at 20:25. On the last day of the month, sunrise is at 07:47 and sunset at 19:33 CEST.

In September, the average sunshine duration is 9h.

The average daily maximum UV index in September in Les Martys is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Les Martys, France

  • Average high temperature in September: 23.2°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (8.1°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).

Average pressure in September
Les Martys, France

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Les Martys, France

  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is September (11.2km/h).

Average humidity in September
Les Martys, France

  • Average humidity in September: 70%

The months with the highest relative humidity are January, November and December (81%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Les Martys, France

  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is October (43mm).
The driest months (with the least rainfall) are August and September (16mm).

Average rainfall days in September
Les Martys, France

  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is April (13.5 days).
The month with the least rainy days is August (8.8 days).

Average snowfall in September
Les Martys, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Les Martys, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Les Martys, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in September
Les Martys, France

  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is November (12.5 days).

Average UV index in September
Les Martys, France

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in September
Les Martys, France

  • Average cloud cover in September: 25

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Les Martys, France

  • Average visibility in September: 9km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).