September weather forecastRouffach, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Rouffach, France, with an average temperature varying between 9.6°C (49.3°F) and 19.9°C (67.8°F).

Temperature

As August makes way for September, Rouffach's average high-temperature eases from a warm 24.3°C (75.7°F) to a comfortable 19.9°C (67.8°F). Throughout September, the nighttime temperature in Rouffach, France, averages to a frosty 9.6°C (49.3°F).

Humidity

In September, the average relative humidity is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 20mm (0.79") of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Rouffach is 12h and 34min.
On the first day of the month, sunrise is at 06:49 and sunset at 20:11. On the last day of September, sunrise is at 07:29 and sunset at 19:11 CEST.

Sunshine

In September, the average sunshine is 9.1h.

UV index

In September, the average daily maximum UV index in Rouffach is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

In Rouffach, 19.9°C (67.8°F) is the average high-temperature and 9.6°C (49.3°F) is the average low-temperature during September.

The average relative humidity in September in Rouffach, France, is 78%.

September is the month with the least rainfall in Rouffach, France. Rain falls for 10.8 days and accumulates 20mm (0.79") of precipitation.

In Rouffach, France, in September, during 10.8 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

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

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

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

In September, on the first day of the month, sunrise is at 06:49 and sunset at 20:11. On the last day of the month, in Rouffach, sunrise is at 07:29 and sunset at 19:11 CEST.

The average sunshine duration in September in Rouffach is 9.1h.

In Rouffach, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Rouffach, France

  • Average high temperature in September: 19.9°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 (3.8°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).

Average pressure in September
Rouffach, France

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).

Average wind speed in September
Rouffach, France

  • Average wind speed in September: 7.3km/h

The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in September
Rouffach, France

  • Average humidity in September: 78%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall in September
Rouffach, France

  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is September (20mm).

Average rainfall days in September
Rouffach, France

  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in September
Rouffach, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Rouffach, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.4 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
Rouffach, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 9h and 6min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Rouffach, France

  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in September
Rouffach, 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
Rouffach, France

  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Rouffach, France

  • Average visibility in September: 9km

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