September weather forecastFossoy, France

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Fossoy, France, with an average temperature ranging between max 20.7°C (69.3°F) and min 11.3°C (52.3°F).

Temperature

With the arrival of September, Fossoy experiences a modest decline in average high-temperatures, transitioning from a moderately hot 24.3°C (75.7°F) in August to a pleasant 20.7°C (69.3°F). During September, the average low-temperature is a fresh 11.3°C (52.3°F).

Humidity

The average relative humidity in September in Fossoy is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 28mm (1.1") of precipitation.

Snowfall

April through October are months without snowfall in Fossoy.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of September in Fossoy, sunrise is at 07:03 and sunset at 20:28. On the last day of the month, sunrise is at 07:45 and sunset at 19:26 CEST.

Sunshine

In September, the average sunshine in Fossoy is 7.7h.

UV index

In September, the average daily maximum UV index in Fossoy is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

The high-temperature, in September, in Fossoy, is 20.7°C (69.3°F), while the low-temperature averages to 11.3°C (52.3°F).

In September, the average relative humidity is 74%.

September is the month with the least rainfall in Fossoy. Rain falls for 12.5 days and accumulates 28mm (1.1") of precipitation.

In Fossoy, in September, during 12.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

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

In Fossoy, the average day length in September is 12h and 35min.

On the first day of September in Fossoy, France, sunrise is at 07:03 and sunset at 20:28. On the last day of the month, sunrise is at 07:45 and sunset at 19:26 CEST.

In September, the average sunshine duration in Fossoy is 7.7h.

The average daily maximum UV index in September in Fossoy, France, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Fossoy, France

  • Average high temperature in September: 20.7°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).

Average pressure in September
Fossoy, France

  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).

Average wind speed in September
Fossoy, France

  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in September
Fossoy, France

  • Average humidity in September: 74%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (71%).

Average rainfall in September
Fossoy, France

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (28mm).

Average rainfall days in September
Fossoy, France

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (12.5 days).

Average snowfall in September
Fossoy, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Fossoy, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.4 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
Fossoy, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Fossoy, France

  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in September
Fossoy, 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
Fossoy, France

  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 38).

Average visibility in September
Fossoy, France

  • Average visibility in September: 9km

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