September weather forecastOsterholz, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Osterholz, Germany, with an average temperature varying between 18.7°C (65.7°F) and 10.7°C (51.3°F).Temperature
With the onset of September, Osterholz experiences a modest temperature adjustment, with the average high-temperature gently receding from a pleasant 22.8°C (73°F) in August to a comfortable 18.7°C (65.7°F). Osterholz experiences a mean temperature of 10.7°C (51.3°F) during September nights.Humidity
In September, the average relative humidity in Osterholz is 81%.Rainfall
In Osterholz, in September, during 13.8 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Osterholz, during the entire year, the rain falls for 165.9 days and collects up to 342mm (13.46") of precipitation.Snowfall
In Osterholz, Germany, snow does not fall in May through October.Daylight
In Osterholz, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:35 and sunset at 20:13. On the last day of September, in Osterholz, Germany, sunrise is at 07:25 and sunset at 19:03 CEST.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Osterholz, Germany
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 10.7°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 (-0.4°C).
Average pressure in September
Osterholz, Germany
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in September
Osterholz, Germany
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in September
Osterholz, Germany
- Average humidity in September: 81%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Osterholz, Germany
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Osterholz, Germany
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Osterholz, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Osterholz, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 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
Osterholz, Germany
- Average daylight in September: 12h and 42min
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: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Osterholz, Germany
- Average sunshine days in September: 12 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Osterholz, 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 December (UV index 1).
Average cloud cover in September
Osterholz, Germany
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Osterholz, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
