September weather forecastRiedwihr, France

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Riedwihr, France, with temperature in the range of an average low of 9.6°C (49.3°F) and an average high of 19.9°C (67.8°F).

Temperature

The average high-temperature slightly decreases in September, shifting from a warm 24.3°C (75.7°F) in August to an enjoyable 19.9°C (67.8°F). During September, Riedwihr consistently records a temperature low averaging a frosty 9.6°C (49.3°F).

Humidity

In Riedwihr, the average relative humidity in September 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

April through September are months without snowfall in Riedwihr.

Daylight

In September, the average length of the day in Riedwihr is 12h and 35min.
On the first day of September in Riedwihr, sunrise is at 06:48 and sunset at 20:11. On the last day of the month, sunrise is at 07:28 and sunset at 19:11 CEST.

Sunshine

The average sunshine in September in Riedwihr is 9.1h.

UV index

The average daily maximum UV index in September in Riedwihr is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

Riedwihr in September has an average high-temperature of 19.9°C (67.8°F) and an average low-temperature of 9.6°C (49.3°F).

In September, the average relative humidity is 78%.

The month with the least rainfall in Riedwihr, France, is September, when the rain falls for 10.8 days and typically collects 20mm (0.79") of precipitation.

In September, the rain falls for 10.8 days. Throughout September, 20mm (0.79") of precipitation is accumulated.

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

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

In September, the average day length in Riedwihr is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:48 and sunset at 20:11. On the last day of the month, sunrise is at 07:28 and sunset at 19:11 CEST.

The average sunshine duration in September is 9.1h.

In September, the average daily maximum UV index in Riedwihr is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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 24min).

  • 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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
Riedwihr, 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).