September weather forecastGrümpel, Germany
September
Weather in September
September, the first month of the autumn in Grümpel, is still a comfortable month, with an average temperature varying between 17.4°C (63.3°F) and 8.6°C (47.5°F).Temperature
September indicates a minor shift in the average high-temperature, from August's agreeable 22.3°C (72.1°F) to an enjoyable 17.4°C (63.3°F). During September, the nighttime temperature averages to a chilly 8.6°C (47.5°F).Humidity
In Grümpel, the average relative humidity in September is 81%.Rainfall
In Grümpel, in September, it is raining for 11.7 days, with typically 27mm (1.06") of accumulated precipitation. In Grümpel, during the entire year, the rain falls for 138.9 days and collects up to 450mm (17.72") of precipitation.Snowfall
In Grümpel, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:29 and sunset at 19:58. On the last day of the month, sunrise is at 07:13 and sunset at 18:54 CEST.
Sunshine
In September, the average sunshine in Grümpel is 8h.UV index
The average daily maximum UV index in September in Grümpel is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Exercise prevention - Warding off sunburn is urged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grümpel, Germany
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Grümpel, Germany
- Average pressure in September: 1018mbar
The months with the highest atmospheric pressure are October and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1014.9mbar).
Average wind speed in September
Grümpel, Germany
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Grümpel, Germany
- Average humidity in September: 81%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Grümpel, Germany
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Grümpel, Germany
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Grümpel, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (180mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grümpel, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grümpel, 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: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in September
Grümpel, Germany
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Grümpel, 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
Grümpel, Germany
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Grümpel, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, October and December (7km).








