September weather forecastMontfey, France

September

Weather in September

September, the first month of the autumn in Montfey, is still a pleasant month, with an average temperature ranging between min 11.5°C (52.7°F) and max 21.3°C (70.3°F).

Temperature

The average high-temperature slightly decreases in September, shifting from a moderately hot 25.3°C (77.5°F) in August to an agreeable 21.3°C (70.3°F). Montfey's temperature in September lowers to a consistent average of 11.5°C (52.7°F) during the nights.

Humidity

In September, the average relative humidity in Montfey is 73%.

Rainfall

September is the month with the least rainfall in Montfey. Rain falls for 11.3 days and accumulates 29mm (1.14") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Montfey, France, is 12h and 34min.
On the first day of the month, sunrise is at 07:03 and sunset at 20:25. On the last day of September, in Montfey, France, sunrise is at 07:43 and sunset at 19:25 CEST.

Sunshine

In September, the average sunshine in Montfey, France, is 7.9h.

UV index

In September, the average daily maximum UV index in Montfey is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

In September, in Montfey, the average high-temperature is 21.3°C (70.3°F), and the average low-temperature is 11.5°C (52.7°F).

The average relative humidity in September in Montfey is 73%.

September is the month with the least rainfall in Montfey. Rain falls for 11.3 days and accumulates 29mm (1.14") of precipitation.

In Montfey, in September, during 11.3 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

April through October are months without snowfall.

The average day length in September in Montfey is 12h and 34min.

In September, on the first day of the month, sunrise is at 07:03 and sunset at 20:25. On the last day of the month, in Montfey, sunrise is at 07:43 and sunset at 19:25 CEST.

The average sunshine duration in September in Montfey, France, is 7.9h.

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

  • Average high temperature in September: 21.3°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).

Average pressure in September
Montfey, France

  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).

Average wind speed in September
Montfey, France

  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in September
Montfey, France

  • Average humidity in September: 73%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Montfey, France

  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (29mm).

Average rainfall days in September
Montfey, France

  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (11.3 days).

Average snowfall in September
Montfey, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Montfey, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 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
Montfey, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

Average sunshine days in September
Montfey, France

  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in September
Montfey, 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
Montfey, France

  • Average cloud cover in September: 35

The months with the most cloud cover are January and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).

Average visibility in September
Montfey, France

  • Average visibility in September: 9km

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