September weather forecastGrebenstein, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Grebenstein, Germany, with temperature in the range of an average low of 9.1°C (48.4°F) and an average high of 18.7°C (65.7°F).Temperature
As September arrives, Grebenstein's weather displays a minor decrease in high-temperatures, transitioning from August's warm 23.4°C (74.1°F) to a comfortable 18.7°C (65.7°F). The low-temperature average for Grebenstein during September stands at a chilly 9.1°C (48.4°F).Humidity
In Grebenstein, the average relative humidity in September is 79%.Rainfall
In Grebenstein, during September, the rain falls for 13.3 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, there are 176.4 rainfall days, and 463mm (18.23") of precipitation is accumulated.Snowfall
In Grebenstein, snow does not fall in June through September.Daylight
The average length of the day in September in Grebenstein is 12h and 38min.On the first day of the month, sunrise is at 06:36 and sunset at 20:08. On the last day of September, sunrise is at 07:22 and sunset at 19:02 CEST.
Sunshine
In Grebenstein, the average sunshine in September is 8.3h.UV index
In Grebenstein, Germany, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grebenstein, Germany
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (23.4°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in September
Grebenstein, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Grebenstein, Germany
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is December (12.2km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Grebenstein, Germany
- Average humidity in September: 79%
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
Grebenstein, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Grebenstein, Germany
- Average rainfall days in September: 13.3 days
The months with the highest number of rainy days are June and July (17.8 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in September
Grebenstein, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grebenstein, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grebenstein, Germany
- Average daylight in September: 12h and 36min
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 18min
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
Grebenstein, Germany
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is June (9 days).
Average UV index in September
Grebenstein, Germany
- Average UV index in September: 3
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, March, November and December (UV index 2).
Average cloud cover in September
Grebenstein, 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 39).
Average visibility in September
Grebenstein, Germany
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
