September weather forecastHernals, Austria
September
Weather in September
September, the first month of the autumn in Hernals, is also an agreeable month, with temperature in the range of an average high of 20.8°C (69.4°F) and an average low of 11.9°C (53.4°F).Temperature
Observing a mild shift, the average high-temperature during September reduces from August's warm 26.8°C (80.2°F) to an agreeable 20.8°C (69.4°F). Nighttime temperatures hover around an average low of 11.9°C (53.4°F) in September.Humidity
In September, the average relative humidity in Hernals is 68%.Rainfall
In September, the rain falls for 11.3 days. Throughout September, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 134.8 rainfall days, and 389mm (15.31") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Hernals, Austria.Daylight
The average length of the day in September in Hernals is 12h and 35min.On the first day of the month, sunrise is at 06:13 and sunset at 19:36. On the last day of September, sunrise is at 06:53 and sunset at 18:35 CEST.
Sunshine
In September, the average sunshine is 9.2h.UV index
In Hernals, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hernals, Austria
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Hernals, Austria
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is June (1015.2mbar).
Average wind speed in September
Hernals, Austria
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Hernals, Austria
- Average humidity in September: 68%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Hernals, Austria
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is June (57mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Hernals, Austria
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).
Average snowfall in September
Hernals, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (69mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Hernals, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hernals, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Hernals, Austria
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
Hernals, Austria
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hernals, Austria
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Hernals, Austria
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The month with the lowest visibility is January (8km).
