September weather forecastUnterperfuss, Austria
September
Weather in September
September, the first month of the autumn in Unterperfuss, is still a mild month, with an average temperature fluctuating between 14.3°C (57.7°F) and 3.9°C (39°F).Temperature
The start of September involves a temperature drop, moving from a refreshing 19.6°C (67.3°F) in August to a mild 14.3°C (57.7°F). During September, Unterperfuss experiences an average low-temperature of 3.9°C (39°F) at night.Humidity
In Unterperfuss, the average relative humidity in September is 83%.Rainfall
In September, in Unterperfuss, the rain falls for 18.2 days. Throughout September, 78mm (3.07") of precipitation is accumulated. In Unterperfuss, during the entire year, the rain falls for 207.6 days and collects up to 1121mm (44.13") of precipitation.Snowfall
In Unterperfuss, snow does not fall in June through September.Daylight
The average length of the day in September in Unterperfuss is 12h and 34min.On the first day of September, sunrise is at 06:34 and sunset at 19:54. On the last day of the month, sunrise is at 07:13 and sunset at 18:56 CEST.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Unterperfuss, Austria
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is August (19.6°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 3.9°C
The month with the highest average low temperature is August (7.3°C).
The coldest month (with the lowest average low temperature) is February (-10.3°C).
Average pressure in September
Unterperfuss, Austria
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Unterperfuss, Austria
- Average wind speed in September: 5.4km/h
The windiest months (with the highest average wind speed) are February and December (7.1km/h).
The calmest month (with the lowest average wind speed) is August (5.2km/h).
Average humidity in September
Unterperfuss, Austria
- Average humidity in September: 83%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Unterperfuss, Austria
- Average rainfall in September: 78mm
The wettest month (with the highest rainfall) is August (154mm).
The driest month (with the least rainfall) is February (56mm).
Average rainfall days in September
Unterperfuss, Austria
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is July (25.9 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Unterperfuss, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (399mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Unterperfuss, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Unterperfuss, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Unterperfuss, Austria
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is October (14 days).
The month with the least sunshine days is July (2.8 days).
Average UV index in September
Unterperfuss, Austria
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Unterperfuss, Austria
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Unterperfuss, Austria
- Average visibility in September: 7km
The months with the highest visibility are July and August (8km).
The months with the lowest visibility are January and February (5km).





