September weather forecastRieste, Germany
September
Weather in September
September, the first month of the autumn in Rieste, is also an enjoyable month, with an average temperature varying between 11°C (51.8°F) and 18.6°C (65.5°F).Temperature
With the onset of September, Rieste's climate undergoes a slight change as the average high-temperature moves from an agreeable 22.9°C (73.2°F) in August to a comfortable 18.6°C (65.5°F). The average temperature during September nights is registered at a cool 11°C (51.8°F).Humidity
In Rieste, the average relative humidity in September is 79%.Rainfall
In Rieste, during September, the rain falls for 12.7 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, in Rieste, there are 170.2 rainfall days, and 417mm (16.42") of precipitation is accumulated.Snowfall
In Rieste, snow does not fall in May through October.Daylight
The average length of the day in September in Rieste is 12h and 40min.On the first day of September in Rieste, Germany, sunrise is at 06:39 and sunset at 20:15. On the last day of the month, sunrise is at 07:28 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September in Rieste is 7.8h.UV index
The average daily maximum UV index in September in Rieste is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rieste, Germany
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (0.3°C).
Average pressure in September
Rieste, Germany
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
Rieste, Germany
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Rieste, Germany
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (74%).
Average rainfall in September
Rieste, Germany
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are July and December (42mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Rieste, Germany
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Rieste, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (45mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rieste, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 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
Rieste, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Rieste, Germany
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is December (10.8 days).
Average UV index in September
Rieste, 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
Rieste, Germany
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Rieste, Germany
- 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).





