Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 23.3°C (73.9°F) in August to an enjoyable 18.7°C (65.7°F). The nighttime temperature in Grebbin dips to a cool 10.3°C (50.5°F) on average during September.Humidity
The average relative humidity in September in Grebbin is 78%.Rainfall
In Grebbin, in September, during 15 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Grebbin, Germany, there are 174.7 rainfall days, and 431mm (16.97") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Grebbin.Daylight
The average length of the day in September in Grebbin is 12h and 41min.On the first day of the month, sunrise is at 06:22 and sunset at 20:02. On the last day of September, in Grebbin, sunrise is at 07:13 and sunset at 18:51 CEST.
Sunshine
In Grebbin, Germany, the average sunshine in September is 8.1h.UV index
In Grebbin, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Take precautions - Protection against sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the temperatures in Grebbin in September?
What is the average humidity in September in Grebbin?
How much does it rain in Grebbin in September?
When it does not snow in Grebbin?
How many hours of daylight does Grebbin have in September?
When is the sunrise / sunset in September in Grebbin?
How many hours of sunshine does Grebbin have in September?
What is the UV index intensity in September in Grebbin?
Average temperature in September
Grebbin, Germany
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in September
Grebbin, Germany
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in September
Grebbin, Germany
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
Grebbin, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Grebbin, Germany
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is July (62mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Grebbin, Germany
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Grebbin, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grebbin, Germany
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (7.8 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
Grebbin, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 1min
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 0min).
Average sunshine days in September
Grebbin, Germany
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Grebbin, 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, November and December (UV index 1).
Average cloud cover in September
Grebbin, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Grebbin, 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).
Grebbin, Germany
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