September weather forecastLa Sône, France

September

Weather in September

The first month of the autumn, September, is still a comfortable month in La Sône, France, with an average temperature fluctuating between 8.3°C (46.9°F) and 17.6°C (63.7°F).

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a pleasant 22.3°C (72.1°F) to a comfortable 17.6°C (63.7°F). Throughout the nights in September, La Sône experiences an average low-temperature of 8.3°C (46.9°F).

Humidity

The average relative humidity in September is 82%.

Rainfall

September is the month with the least rainfall in La Sône. Rain falls for 11.8 days and accumulates 33mm (1.3") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in La Sône is 12h and 32min.
On the first day of the month, sunrise is at 07:01 and sunset at 20:16. On the last day of September, sunrise is at 07:36 and sunset at 19:21 CEST.

Sunshine

The average sunshine in September is 8h.

UV index

In La Sône, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

The average high-temperature and low-temperature during September are 17.6°C (63.7°F) and 8.3°C (46.9°F) respectively.

In September, the average relative humidity in La Sône, France, is 82%.

The month with the least rainfall in La Sône is September, when the rain falls for 11.8 days and typically collects 33mm (1.3") of precipitation.

In La Sône, in September, it is raining for 11.8 days, with typically 33mm (1.3") of accumulated precipitation.

In La Sône, France, snow does not fall in June through September.

In La Sône, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in La Sône, France, is 12h and 32min.

On the first day of September in La Sône, sunrise is at 07:01 and sunset at 20:16. On the last day of the month, sunrise is at 07:36 and sunset at 19:21 CEST.

In La Sône, the average sunshine duration in September is 8h.

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
La Sône, France

  • Average high temperature in September: 17.6°C

The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in September: 8.3°C

The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-3.6°C).

Average pressure in September
La Sône, France

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in September
La Sône, France

  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is February (11.1km/h).
The calmest month (with the lowest average wind speed) is September (8.2km/h).

Average humidity in September
La Sône, France

  • Average humidity in September: 82%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
La Sône, France

  • Average rainfall in September: 33mm

The wettest months (with the highest rainfall) are June and November (65mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in September
La Sône, France

  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in September
La Sône, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (252mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
La Sône, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
La Sône, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in September
La Sône, France

  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in September
La Sône, France

  • Average UV index in September: 4

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

Average cloud cover in September
La Sône, France

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
La Sône, France

  • Average visibility in September: 8km

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