September weather forecastRiebau, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Riebau, Germany, with an average temperature ranging between max 18.9°C (66°F) and min 10.8°C (51.4°F).Temperature
In Riebau, entering September brings a subtle temperature decrement, reducing from August's warm 23.5°C (74.3°F) to an enjoyable 18.9°C (66°F). Riebau, during the month of September, experiences an average low-temperature of 10.8°C (51.4°F).Humidity
In Riebau, the average relative humidity in September is 78%.Rainfall
In September, in Riebau, Germany, the rain falls for 15.4 days. Throughout September, 33mm (1.3") of precipitation is accumulated. In Riebau, during the entire year, the rain falls for 191 days and collects up to 485mm (19.09") of precipitation.Snowfall
In Riebau, snow does not fall in May through October.Daylight
In Riebau, Germany, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:26 and sunset at 20:03. On the last day of September, in Riebau, sunrise is at 07:15 and sunset at 18:54 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Riebau, Germany
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Riebau, Germany
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1012.7mbar).
Average wind speed in September
Riebau, Germany
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (16.7km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Riebau, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Riebau, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Riebau, Germany
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Riebau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Riebau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Riebau, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Riebau, Germany
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is April (13.3 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Riebau, Germany
- 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
Riebau, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Riebau, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
