September weather forecastOsterhorn, Germany
September
Weather in September
September, the first month of the autumn in Osterhorn, is still a refreshing month, with temperature in the range of an average low of 10.7°C (51.3°F) and an average high of 18.1°C (64.6°F).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a pleasant 22.1°C (71.8°F) in August to a comfortable 18.1°C (64.6°F). The low-temperature averages to a fresh 10.7°C (51.3°F) during the nights of September.Humidity
The average relative humidity in September is 83%.Rainfall
In Osterhorn, Germany, during September, the rain falls for 16.5 days and regularly aggregates up to 35mm (1.38") of precipitation. In Osterhorn, during the entire year, the rain falls for 179.4 days and collects up to 481mm (18.94") of precipitation.Snowfall
In Osterhorn, snow does not fall in May through October.Daylight
In Osterhorn, the average length of the day in September is 12h and 41min.On the first day of September in Osterhorn, sunrise is at 06:30 and sunset at 20:11. On the last day of the month, sunrise is at 07:22 and sunset at 18:59 CEST.
Sunshine
In September, the average sunshine in Osterhorn is 7.7h.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 radiation for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Osterhorn, Germany
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in September
Osterhorn, Germany
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Osterhorn, Germany
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).
Average humidity in September
Osterhorn, Germany
- Average humidity in September: 83%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Osterhorn, Germany
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Osterhorn, Germany
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in September
Osterhorn, Germany
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Osterhorn, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 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
Osterhorn, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 42min
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 12min).
Average sunshine days in September
Osterhorn, Germany
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Osterhorn, Germany
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Osterhorn, Germany
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Osterhorn, Germany
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July and August (9km).
The months with the lowest visibility are January, September, October, November and December (8km).





