September weather forecastRiedenberg, Germany
September
Weather in September
September, the first month of the autumn in Riedenberg, is also an enjoyable month, with an average temperature fluctuating between 17.1°C (62.8°F) and 8.4°C (47.1°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from an agreeable 21.9°C (71.4°F) in August to an enjoyable 17.1°C (62.8°F). In Riedenberg, the average temperature during the nights of September drops to a frosty 8.4°C (47.1°F).Humidity
The average relative humidity in September is 82%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.1 days and typically collects 23mm (0.91") of precipitation.Snowfall
In Riedenberg, snow does not fall in June through September.Daylight
In September, the average length of the day in Riedenberg, Germany, is 12h and 37min.On the first day of September in Riedenberg, sunrise is at 06:35 and sunset at 20:04. On the last day of the month, sunrise is at 07:19 and sunset at 19:00 CEST.
Sunshine
The average sunshine in September in Riedenberg is 7.4h.UV index
In September, the average daily maximum UV index in Riedenberg is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Riedenberg, Germany
- Average high temperature in September: 17.1°C
The warmest months (with the highest average high temperature) are July and August (21.9°C).
The month with the lowest average high temperature is January (1.1°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is August (12°C).
The coldest months (with the lowest average low temperature) are January and February (-3.3°C).
Average pressure in September
Riedenberg, Germany
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Riedenberg, Germany
- Average wind speed in September: 9.1km/h
The windiest months (with the highest average wind speed) are February and December (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Riedenberg, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Riedenberg, Germany
- Average rainfall in September: 23mm
The wettest months (with the highest rainfall) are January and December (60mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Riedenberg, Germany
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Riedenberg, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (290mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Riedenberg, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Riedenberg, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in September
Riedenberg, Germany
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in September
Riedenberg, 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, November and December (UV index 1).
Average cloud cover in September
Riedenberg, Germany
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Riedenberg, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February and December (6km).





