September weather forecastPonson-Dessus, France

September

Weather in September

September, the first month of the autumn in Ponson-Dessus, is still a pleasant month, with an average temperature fluctuating between 21°C (69.8°F) and 9.8°C (49.6°F).

Temperature

As Ponson-Dessus, France, enters September, the average high-temperature subtly lowers from the a warm 24.3°C (75.7°F) of August to a pleasant 21°C (69.8°F). September nights in Ponson-Dessus cool down to an average low-temperature of 9.8°C (49.6°F).

Humidity

The months with the lowest humidity in Ponson-Dessus are August through October, with an average relative humidity of 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 44mm (1.73") of precipitation.

Snowfall

In Ponson-Dessus, snow does not fall in June through September.

Daylight

In September, the average length of the day in Ponson-Dessus is 12h and 30min.
On the first day of September in Ponson-Dessus, sunrise is at 07:24 and sunset at 20:35. On the last day of the month, sunrise is at 07:57 and sunset at 19:42 CEST.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September in Ponson-Dessus 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:
Take precautions - Protection against skin and eye damage is obliged. To guard against the harmful effects of the Sun, minimize exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

September temperatures in Ponson-Dessus vary between a high-temperature of 21°C (69.8°F) and a low-temperature of 9.8°C (49.6°F).

August through October, with an average relative humidity of 73%, are the least humid months in Ponson-Dessus, France.

In September, the average relative humidity in Ponson-Dessus is 73%.

September is the month with the least rainfall in Ponson-Dessus, France. Rain falls for 13.5 days and accumulates 44mm (1.73") of precipitation.

In September, the rain falls for 13.5 days. Throughout September, 44mm (1.73") of precipitation is accumulated.

June through September are months without snowfall in Ponson-Dessus, France.

In Ponson-Dessus, in September, it doesn't snow. In October, it regularly snows.

In Ponson-Dessus, the average day length in September is 12h and 30min.

On the first day of September, sunrise is at 07:24 and sunset at 20:35. On the last day of the month, sunrise is at 07:57 and sunset at 19:42 CEST.

The average sunshine duration in September in Ponson-Dessus is 8.8h.

In Ponson-Dessus, France, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Ponson-Dessus, France

  • Average high temperature in September: 21°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 (6.8°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).

Average pressure in September
Ponson-Dessus, France

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in September
Ponson-Dessus, France

  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is February (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).

Average humidity in September
Ponson-Dessus, France

  • Average humidity in September: 73%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August, September and October (73%).

Average rainfall in September
Ponson-Dessus, France

  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is May (92mm).
The driest month (with the least rainfall) is September (44mm).

Average rainfall days in September
Ponson-Dessus, France

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is October (12.3 days).

Average snowfall in September
Ponson-Dessus, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (56mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Ponson-Dessus, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ponson-Dessus, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
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 24min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).

Average sunshine days in September
Ponson-Dessus, France

  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is April (7.9 days).

Average UV index in September
Ponson-Dessus, 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
Ponson-Dessus, France

  • Average cloud cover in September: 28

The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in September
Ponson-Dessus, France

  • Average visibility in September: 9km

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