September weather forecastPosterstein, Germany
September
Weather in September
September, the first month of the autumn in Posterstein, is still a comfortable month, with temperature in the range of an average low of 10°C (50°F) and an average high of 19°C (66.2°F).Temperature
In September, the average high-temperature marginally decreases from a warm 23.9°C (75°F) in August to an enjoyable 19°C (66.2°F). September nights in Posterstein are marked by an average low-temperature of 10°C (50°F).Humidity
In September, the average relative humidity in Posterstein is 75%.Rainfall
In Posterstein, during September, the rain falls for 11.5 days and regularly aggregates up to 33mm (1.3") of precipitation. In Posterstein, during the entire year, the rain falls for 151.5 days and collects up to 430mm (16.93") of precipitation.Snowfall
In Posterstein, snow does not fall in June through September.Daylight
The average length of the day in September in Posterstein, Germany, is 12h and 38min.On the first day of the month, sunrise is at 06:25 and sunset at 19:56. On the last day of September, in Posterstein, Germany, sunrise is at 07:10 and sunset at 18:50 CEST.
Sunshine
In Posterstein, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Posterstein is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Posterstein, Germany
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Posterstein, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).
Average wind speed in September
Posterstein, Germany
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Posterstein, Germany
- Average humidity in September: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Posterstein, 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 (17mm).
Average rainfall days in September
Posterstein, Germany
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Posterstein, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (83mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Posterstein, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Posterstein, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Posterstein, Germany
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in September
Posterstein, 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 November and December (UV index 1).
Average cloud cover in September
Posterstein, Germany
- Average cloud cover in September: 40
The months with the most cloud cover are January and December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Posterstein, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
