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
Grumme, Germany, records a mild change in average high-temperature during September, easing from a warm 23.6°C (74.5°F) in August to a comfortable 19.2°C (66.6°F). September nights cool down to an average low-temperature of 11.3°C (52.3°F).Humidity
In Grumme, the average relative humidity in September is 76%.Rainfall
In Grumme, during September, the rain falls for 12.4 days and regularly aggregates up to 31mm (1.22") of precipitation. In Grumme, during the entire year, the rain falls for 178.2 days and collects up to 518mm (20.39") of precipitation.Snowfall
In Grumme, Germany, snow does not fall in May through October.Daylight
In Grumme, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:44 and sunset at 20:17. On the last day of September, sunrise is at 07:30 and sunset at 19:10 CEST.
Sunshine
In Grumme, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are September temperatures in Grumme?
What is the average humidity in September in Grumme?
How many days does it rain in September in Grumme?
When it does not snow in Grumme?
How many hours of daylight does Grumme have in September?
When are sunrise and sunset in September in Grumme?
How many hours of sunshine does Grumme have in September?
How high is the UV index in September in Grumme?
Average temperature in September
Grumme, Germany
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Grumme, 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
Grumme, Germany
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Grumme, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Grumme, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Grumme, Germany
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is September (12.4 days).
Average snowfall in September
Grumme, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (59mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grumme, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 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
Grumme, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Grumme, Germany
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Grumme, 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
Grumme, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Grumme, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
Grumme, Germany
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