September weather forecastRumeln, Germany
September
Weather in September
September, the first month of the autumn in Rumeln, is still a refreshing month, with an average temperature varying between 19.4°C (66.9°F) and 11.6°C (52.9°F).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 23.8°C (74.8°F) to a comfortable 19.4°C (66.9°F). An average low-temperature of 11.6°C (52.9°F) is noted during the nights in September.Humidity
In September, the average relative humidity is 76%.Rainfall
In Rumeln, in September, it is raining for 9.6 days, with typically 15mm (0.59") of accumulated precipitation. Throughout the year, there are 156.3 rainfall days, and 267mm (10.51") of precipitation is accumulated.Snowfall
In Rumeln, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:47 and sunset at 20:19. On the last day of September, sunrise is at 07:33 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Rumeln, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rumeln, Germany
- Average high temperature in September: 19.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Rumeln, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Rumeln, Germany
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Rumeln, Germany
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Rumeln, Germany
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is December (32mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Rumeln, Germany
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Rumeln, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Rumeln, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Rumeln, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Rumeln, Germany
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is December (10 days).
Average UV index in September
Rumeln, 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
Rumeln, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Rumeln, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).








