September weather forecastGrimme, Germany
September
Weather in September
September, the first month of the autumn in Grimme, is also an enjoyable month, with an average temperature ranging between max 19.7°C (67.5°F) and min 11.2°C (52.2°F).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 24.5°C (76.1°F) in August to a comfortable 19.7°C (67.5°F). The low-temperature averages to a cool 11.2°C (52.2°F) during the nights of September.Humidity
In September, the average relative humidity is 73%.Rainfall
In Grimme, Germany, in September, it is raining for 10.6 days, with typically 25mm (0.98") of accumulated precipitation. In Grimme, during the entire year, the rain falls for 139 days and collects up to 273mm (10.75") of precipitation.Snowfall
In Grimme, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 06:23 and sunset at 19:57. On the last day of the month, sunrise is at 07:11 and sunset at 18:50 CEST.
Sunshine
The average sunshine in September in Grimme is 8.6h.UV index
In Grimme, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grimme, Germany
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in September
Grimme, Germany
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1017.3mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Grimme, Germany
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Grimme, Germany
- Average humidity in September: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Grimme, Germany
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Grimme, Germany
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Grimme, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grimme, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grimme, 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: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Grimme, Germany
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is April (16.9 days).
The month with the least sunshine days is December (12.5 days).
Average UV index in September
Grimme, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Grimme, Germany
- Average cloud cover in September: 38
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Grimme, Germany
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).





