September weather forecastFretterans, France

September

Weather in September

September, the first month of the autumn in Fretterans, is still a pleasant month, with an average temperature varying between 10.2°C (50.4°F) and 20.5°C (68.9°F).

Temperature

The onset of September is marked by a minor decrease in temperature, transitioning from a warm 25°C (77°F) in August to a pleasant 20.5°C (68.9°F). In the month of September, Fretterans records a consistent average low-temperature of 10.2°C (50.4°F).

Humidity

In Fretterans, the average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 30mm (1.18") of precipitation.

Snowfall

In Fretterans, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 33min.
On the first day of September in Fretterans, sunrise is at 06:59 and sunset at 20:18. On the last day of the month, sunrise is at 07:36 and sunset at 19:20 CEST.

Sunshine

In Fretterans, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

The high-temperature, in September, in Fretterans, records 20.5°C (68.9°F), while the low-temperature is 10.2°C (50.4°F).

In Fretterans, France, the average relative humidity in September is 80%.

The month with the least rainfall in Fretterans, France, is September, when the rain falls for 11.6 days and typically collects 30mm (1.18") of precipitation.

In Fretterans, during September, the rain falls for 11.6 days and regularly aggregates up to 30mm (1.18") of precipitation.

May through September are months without snowfall.

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

In September, the average day length is 12h and 33min.

In September, on the first day of the month, sunrise is at 06:59 and sunset at 20:18. On the last day of the month, in Fretterans, sunrise is at 07:36 and sunset at 19:20 CEST.

In September, the average sunshine duration is 8.5h.

In Fretterans, France, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Fretterans, France

  • Average high temperature in September: 20.5°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in September: 10.2°C

The months with the highest average low temperature are July and August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).

Average pressure in September
Fretterans, France

  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Fretterans, France

  • Average wind speed in September: 8km/h

The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).

Average humidity in September
Fretterans, France

  • Average humidity in September: 80%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Fretterans, France

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is September (30mm).

Average rainfall days in September
Fretterans, France

  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (11.5 days).

Average snowfall in September
Fretterans, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (61mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Fretterans, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

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

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).

Average sunshine days in September
Fretterans, France

  • Average sunshine days in September: 16 days

The months with the most sunshine days are September and October (16 days).
The month with the least sunshine days is June (10 days).

Average UV index in September
Fretterans, France

  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Fretterans, France

  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Fretterans, France

  • Average visibility in September: 8km

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