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 arrival of September indicates a decrease in the average high-temperature, moving from a warm 25.1°C (77.2°F) in August to a refreshing 19.6°C (67.3°F). Throughout September, Grünewald witnesses a nighttime temperature average of 10.9°C (51.6°F).Humidity
In Grünewald, the average relative humidity in September is 74%.Rainfall
In Grünewald, in September, it is raining for 13.5 days, with typically 33mm (1.3") of accumulated precipitation. In Grünewald, during the entire year, the rain falls for 164.4 days and collects up to 437mm (17.2") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Grünewald is 12h and 38min.On the first day of September in Grünewald, sunrise is at 06:17 and sunset at 19:50. On the last day of the month, sunrise is at 07:03 and sunset at 18:43 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Grünewald?
What is the average humidity in September in Grünewald?
How much does it rain in Grünewald in September?
When it does not snow in Grünewald?
Does it snow in Grünewald in September?
How many hours of daylight does Grünewald have in September?
When are sunrise and sunset in September in Grünewald?
How long on average sun shines in September in Grünewald?
What is the UV index intensity in September in Grünewald?
Average temperature in September
Grünewald, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in September: 10.9°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 (-2.2°C).
Average pressure in September
Grünewald, Germany
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).
Average wind speed in September
Grünewald, Germany
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Grünewald, Germany
- Average humidity in September: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Grünewald, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Grünewald, Germany
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Grünewald, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grünewald, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grünewald, Germany
- Average daylight in September: 12h and 4min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Grünewald, Germany
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Grünewald, 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
Grünewald, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Grünewald, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
Grünewald, Germany
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