September weather forecastMercuès, France

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mercuès, France, with an average temperature fluctuating between 24.2°C (75.6°F) and 12.1°C (53.8°F).

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 28°C (82.4°F) in August to a still moderately hot 24.2°C (75.6°F). Mercuès, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 12.1°C (53.8°F).

Humidity

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

Rainfall

In Mercuès, in September, it is raining for 10.2 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, in Mercuès, there are 158.9 rainfall days, and 488mm (19.21") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Mercuès is 12h and 31min.
On the first day of the month, sunrise is at 07:17 and sunset at 20:30. On the last day of September, sunrise is at 07:51 and sunset at 19:36 CEST.

Sunshine

In Mercuès, the average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

Mercuès in September has an average high-temperature of 24.2°C (75.6°F) and an average low-temperature of 12.1°C (53.8°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is estimated at 30°C (86°F).

The average relative humidity in September in Mercuès, France, is 70%.

In September, in Mercuès, France, the rain falls for 10.2 days. Throughout September, 32mm (1.26") of precipitation is accumulated.

April through October are months without snowfall in Mercuès, France.

The average day length in September in Mercuès is 12h and 31min.

On the first day of September, sunrise is at 07:17 and sunset at 20:30. On the last day of the month, sunrise is at 07:51 and sunset at 19:36 CEST.

In Mercuès, the average sunshine duration in September is 8.4h.

In September, the average daily maximum UV index in Mercuès is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Mercuès, France

  • Average high temperature in September: 24.2°C

The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (7.9°C).

  • Average low temperature in September: 12.1°C

The months with the highest average low temperature are July and August (15°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).

Average pressure in September
Mercuès, France

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).

Average wind speed in September
Mercuès, France

  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is March (10.5km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).

Average humidity in September
Mercuès, France

  • Average humidity in September: 70%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Mercuès, France

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is February (28mm).

Average rainfall days in September
Mercuès, France

  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is September (10.2 days).

Average snowfall in September
Mercuès, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Mercuès, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.9 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
Mercuès, France

  • Average daylight in September: 12h and 30min

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 24min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and November (Average sunshine: 4h and 30min).

Average sunshine days in September
Mercuès, France

  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in September
Mercuès, France

  • Average UV index in September: 4

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

Average cloud cover in September
Mercuès, France

  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Mercuès, France

  • Average visibility in September: 9km

The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and December (7km).