September weather forecastRiegsee, Germany

September

Weather in September

September, the first month of the autumn in Riegsee, is also an enjoyable month, with an average temperature fluctuating between 17.6°C (63.7°F) and 7.3°C (45.1°F).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from an agreeable 22.5°C (72.5°F) in August to a comfortable 17.6°C (63.7°F). September brings Riegsee a consistent average low-temperature of 7.3°C (45.1°F).

Humidity

In Riegsee, the average relative humidity in September is 83%.

Rainfall

In September, the rain falls for 17.1 days. Throughout September, 74mm (2.91") of precipitation is accumulated. Throughout the year, there are 183 rainfall days, and 1093mm (43.03") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Riegsee.

Daylight

The average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 06:34 and sunset at 19:55. On the last day of September, sunrise is at 07:13 and sunset at 18:56 CEST.

Sunshine

In September, the average sunshine in Riegsee is 8.6h.

UV index

In September, the average daily maximum UV index in Riegsee is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, the UV index of 3 transforms into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

In Riegsee, in September, the average high-temperature is 17.6°C (63.7°F), and the average low-temperature is 7.3°C (45.1°F).

The average relative humidity in September is 83%.

In September, the rain falls for 17.1 days. Throughout September, 74mm (2.91") of precipitation is accumulated.

In Riegsee, snow does not fall in June through September.

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

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

On the first day of September, sunrise is at 06:34 and sunset at 19:55. On the last day of the month, sunrise is at 07:13 and sunset at 18:56 CEST.

In September, the average sunshine duration in Riegsee, Germany, is 8.6h.

In September, the average daily maximum UV index is 3. 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Riegsee, Germany

  • Average high temperature in September: 17.6°C

The warmest months (with the highest average high temperature) are July and August (22.5°C).
The month with the lowest average high temperature is January (1.6°C).

  • Average low temperature in September: 7.3°C

The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (-5.3°C).

Average pressure in September
Riegsee, Germany

  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in September
Riegsee, Germany

  • Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is March (9.2km/h).
The calmest months (with the lowest average wind speed) are August and September (6.7km/h).

Average humidity in September
Riegsee, Germany

  • Average humidity in September: 83%

The month with the highest relative humidity is February (91%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in September
Riegsee, Germany

  • Average rainfall in September: 74mm

The wettest month (with the highest rainfall) is August (149mm).
The driest month (with the least rainfall) is November (44mm).

Average rainfall days in September
Riegsee, Germany

  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in September
Riegsee, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (483mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Riegsee, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Riegsee, Germany

  • 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 30min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in September
Riegsee, Germany

  • Average sunshine days in September: 10.4 days

The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are May and July (5.1 days).

Average UV index in September
Riegsee, Germany

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in September
Riegsee, Germany

  • Average cloud cover in September: 42

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Riegsee, Germany

  • Average visibility in September: 7km

The months with the highest visibility are April, May, June, July, August and November (8km).
The months with the lowest visibility are January and February (6km).