September weather forecastPostau, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Postau, Germany, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 9.2°C (48.6°F).Temperature
In September, the average high-temperature marginally decreases from a moderately hot 23.4°C (74.1°F) in August to a refreshing 18.5°C (65.3°F). During September, the temperature is averaged to a low of 9.2°C (48.6°F) at night.Humidity
The average relative humidity in September in Postau, Germany, is 83%.Rainfall
In Postau, during September, the rain falls for 13.2 days and regularly aggregates up to 39mm (1.54") of precipitation. In Postau, Germany, during the entire year, the rain falls for 173.2 days and collects up to 670mm (26.38") of precipitation.Snowfall
In Postau, snow does not fall in June through September.Daylight
In September, the average length of the day in Postau is 12h and 35min.On the first day of September in Postau, sunrise is at 06:28 and sunset at 19:52. On the last day of the month, sunrise is at 07:09 and sunset at 18:51 CEST.
Sunshine
In Postau, Germany, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. 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
Postau, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Postau, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Postau, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is March (13.3km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Postau, Germany
- Average humidity in September: 83%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Postau, Germany
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is November (34mm).
Average rainfall days in September
Postau, Germany
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Postau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (181mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Postau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Postau, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Postau, Germany
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in September
Postau, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Postau, Germany
- Average cloud cover in September: 40
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Postau, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).
