September weather forecastMontchâlons, France

September

Weather in September

September, the first month of the autumn in Montchâlons, is still a pleasant month, with temperature in the range of an average high of 20.1°C (68.2°F) and an average low of 11°C (51.8°F).

Temperature

The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 20.1°C (68.2°F) from a warm 24°C (75.2°F). During the nights in September, an average low-temperature of 11°C (51.8°F) is observed in Montchâlons.

Humidity

In Montchâlons, the average relative humidity in September is 76%.

Rainfall

In Montchâlons, in September, during 9.7 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, in Montchâlons, France, there are 158.9 rainfall days, and 329mm (12.95") of precipitation is accumulated.

Snowfall

In Montchâlons, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 36min.
On the first day of September in Montchâlons, France, sunrise is at 07:01 and sunset at 20:28. On the last day of the month, sunrise is at 07:44 and sunset at 19:25 CEST.

Sunshine

In September, the average sunshine is 7.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

The high-temperature, in September, in Montchâlons, is 20.1°C (68.2°F), while the low-temperature averages to 11°C (51.8°F).

The average relative humidity in September is 76%.

In Montchâlons, during September, the rain falls for 9.7 days and regularly aggregates up to 20mm (0.79") of precipitation.

In Montchâlons, snow does not fall in April through October.

In Montchâlons, France, the average day length in September is 12h and 36min.

In September, on the first day of the month, sunrise is at 07:01 and sunset at 20:28. On the last day of the month, in Montchâlons, France, sunrise is at 07:44 and sunset at 19:25 CEST.

The average sunshine duration in September in Montchâlons, France, is 7.8h.

In Montchâlons, France, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Montchâlons, France

  • Average high temperature in September: 20.1°C

The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in September: 11°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in September
Montchâlons, France

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).

Average wind speed in September
Montchâlons, France

  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is February (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in September
Montchâlons, France

  • Average humidity in September: 76%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Montchâlons, France

  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Montchâlons, France

  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (9.7 days).

Average snowfall in September
Montchâlons, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Montchâlons, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.9 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
Montchâlons, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 7h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

Average sunshine days in September
Montchâlons, France

  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in September
Montchâlons, France

  • Average UV index in September: 4

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

Average cloud cover in September
Montchâlons, France

  • Average cloud cover in September: 38

The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 38).

Average visibility in September
Montchâlons, France

  • Average visibility in September: 9km

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