September weather forecastHieflau, Austria
September
Weather in September
September, the first month of the autumn in Hieflau, is still a comfortable month, with an average temperature fluctuating between 16°C (60.8°F) and 5.8°C (42.4°F).Temperature
As September commences, the average high-temperature shows a reduction, transitioning from a pleasant 21.7°C (71.1°F) in August to an enjoyable 16°C (60.8°F). Hieflau encounters a steady low-temperature average of 5.8°C (42.4°F) throughout the month of September.Humidity
The average relative humidity in September is 84%.Rainfall
In Hieflau, during September, the rain falls for 17.4 days and regularly aggregates up to 73mm (2.87") of precipitation. Throughout the year, there are 189.5 rainfall days, and 963mm (37.91") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Hieflau.Daylight
In Hieflau, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:20 and sunset at 19:41. On the last day of September, in Hieflau, sunrise is at 06:59 and sunset at 18:42 CEST.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hieflau, Austria
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 5.8°C
The month with the highest average low temperature is August (9.1°C).
The coldest month (with the lowest average low temperature) is February (-7.1°C).
Average pressure in September
Hieflau, Austria
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is May (1015.5mbar).
Average wind speed in September
Hieflau, Austria
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is February (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity in September
Hieflau, Austria
- Average humidity in September: 84%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Hieflau, Austria
- Average rainfall in September: 73mm
The wettest months (with the highest rainfall) are May and July (123mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in September
Hieflau, Austria
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Hieflau, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (414mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hieflau, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hieflau, 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 30min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Hieflau, Austria
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is October (14.5 days).
The months with the least sunshine days are June and July (3.8 days).
Average UV index in September
Hieflau, Austria
- Average UV index in September: 3
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
Hieflau, Austria
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Hieflau, Austria
- Average visibility in September: 7km
The months with the highest visibility are April, June, July and August (8km).
The months with the lowest visibility are January and February (5km).





