September weather forecastMontardon, France

September

Weather in September

September, the first month of the autumn in Montardon, is still a warm month, with an average temperature fluctuating between 11.5°C (52.7°F) and 23.6°C (74.5°F).

Temperature

September sees a slight reduction in average high-temperature, with a shift from a warm 26.9°C (80.4°F) in August to a still moderately hot 23.6°C (74.5°F). In September, Montardon endures a notable temperature shift from day to night, with lows averaging at a cool 11.5°C (52.7°F).

Humidity

August and September, with an average relative humidity of 73%, are the least humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 32mm (1.26") of precipitation.

Snowfall

April through November are months without snowfall in Montardon.

Daylight

In Montardon, the average length of the day in September is 12h and 30min.
On the first day of September, sunrise is at 07:26 and sunset at 20:36. On the last day of the month, sunrise is at 07:58 and sunset at 19:44 CEST.

Sunshine

In Montardon, the average sunshine in September is 8.8h.

UV index

May through September, with an average maximum UV index of 5, are months with the highest UV index in Montardon. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

The high-temperature, in September, in Montardon, is 23.6°C (74.5°F), while the low-temperature averages to 11.5°C (52.7°F).

The months with the lowest humidity are August and September, with an average relative humidity of 73%.

In September, the average relative humidity is 73%.

September is the month with the least rainfall in Montardon. Rain falls for 12.5 days and accumulates 32mm (1.26") of precipitation.

In Montardon, during September, the rain falls for 12.5 days and regularly aggregates up to 32mm (1.26") of precipitation.

April through November are months without snowfall.

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

In September, on the first day of the month, sunrise is at 07:26 and sunset at 20:36. On the last day of the month, sunrise is at 07:58 and sunset at 19:44 CEST.

In September, the average sunshine duration in Montardon is 8.8h.

The months with the highest UV index in Montardon are May through September, with an average maximum UV index of 5.

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from 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
Montardon, France

  • Average high temperature in September: 23.6°C

The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in September: 11.5°C

The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

Average pressure in September
Montardon, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Montardon, France

  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

Average humidity in September
Montardon, France

  • Average humidity in September: 73%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (73%).

Average rainfall in September
Montardon, France

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is May (89mm).
The driest month (with the least rainfall) is September (32mm).

Average rainfall days in September
Montardon, France

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is October (12.4 days).

Average snowfall in September
Montardon, 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, October and November (0mm).

Average snowfall days in September
Montardon, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.8 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
Montardon, 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: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).

Average sunshine days in September
Montardon, France

  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is April (8.7 days).

Average UV index in September
Montardon, France

  • Average UV index in September: 5

The months with the highest UV index are May, 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
Montardon, France

  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in September
Montardon, France

  • Average visibility in September: 9km

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