September weather forecastOulon, France

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Oulon, France, with an average temperature ranging between min 10.8°C (51.4°F) and max 21.3°C (70.3°F).

Temperature

As September arrives, Oulon's weather displays a minor decrease in high-temperatures, transitioning from August's warm 25.3°C (77.5°F) to an agreeable 21.3°C (70.3°F). During September, Oulon records a consistent average nighttime temperature of 10.8°C (51.4°F).

Humidity

In Oulon, the average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall in Oulon, France. Rain falls for 7.1 days and accumulates 10mm (0.39") of precipitation.

Snowfall

In Oulon, snow does not fall in April through September.

Daylight

The average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 07:06 and sunset at 20:26. On the last day of September, sunrise is at 07:44 and sunset at 19:27 CEST.

Sunshine

In Oulon, the average sunshine in September is 7.9h.

UV index

In September, the average daily maximum UV index in Oulon is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

During September, Oulon experiences an average high-temperature of 21.3°C (70.3°F) and a low-temperature of 10.8°C (51.4°F).

The average relative humidity in September in Oulon, France, is 75%.

The month with the least rainfall is September, when the rain falls for 7.1 days and typically collects 10mm (0.39") of precipitation.

In Oulon, in September, during 7.1 rainfall days, 10mm (0.39") of precipitation is typically accumulated.

In Oulon, France, snow does not fall in April through September.

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

In September, the average day length is 12h and 34min.

On the first day of September in Oulon, sunrise is at 07:06 and sunset at 20:26. On the last day of the month, sunrise is at 07:44 and sunset at 19:27 CEST.

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

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents 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
Oulon, 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 (6.1°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).

Average pressure in September
Oulon, France

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015mbar).

Average wind speed in September
Oulon, France

  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in September
Oulon, France

  • Average humidity in September: 75%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Oulon, France

  • Average rainfall in September: 10mm

The wettest month (with the highest rainfall) is December (28mm).
The driest month (with the least rainfall) is September (10mm).

Average rainfall days in September
Oulon, France

  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is September (7.1 days).

Average snowfall in September
Oulon, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Oulon, France

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Oulon, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Oulon, France

  • Average sunshine days in September: 20.3 days

The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in September
Oulon, 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
Oulon, France

  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Oulon, 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).