September weather forecastInnsbruck, Austria

September
Weather in September
As the city moves away from summer, September showcases a decline in temperatures accompanied by reduced hours of daylight. Nonetheless, this month still flaunts reasonable amounts of sunlight allowing sightseeing and other outdoor activities. A notable drop in rainfall from 102mm (4.02") to 46mm (1.81"), from August to September, makes the city less damp. The retreating warmth leaves behind cooler temperatures, heralding the commencement of the fall season. Despite the decrease in temperature, September remains an alluring time to witness the beauty of Innsbruck.Temperature
The shift to September brings a decrease in the average high-temperature, falling from a comfortable 19.3°C (66.7°F) in August to a still refreshing 14.3°C (57.7°F). Throughout September, an average nighttime temperature of 3.7°C (38.7°F) is experienced.Humidity
The average relative humidity in September is 83%.Rainfall
In September, in Innsbruck, the rain falls for 15.7 days. Throughout September, 46mm (1.81") of precipitation is accumulated. Throughout the year, in Innsbruck, Austria, there are 168.7 rainfall days, and 632mm (24.88") of precipitation is accumulated.Snowfall
In Innsbruck, snow does not fall in June through September.Daylight
The average length of the day in September in Innsbruck is 12h and 34min.On the first day of the month, sunrise is at 06:34 and sunset at 19:54. On the last day of September, in Innsbruck, sunrise is at 07:12 and sunset at 18:55 CEST.
Sunshine
The average sunshine in September in Innsbruck is 8.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Innsbruck, Austria
- Average high temperature in September: 14.3°C
The warmest months (with the highest average high temperature) are July and August (19.3°C).
The month with the lowest average high temperature is January (-1.7°C).
- Average low temperature in September: 3.7°C
The month with the highest average low temperature is August (7°C).
The coldest month (with the lowest average low temperature) is February (-10.4°C).
Average pressure in September
Innsbruck, 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
Innsbruck, Austria
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is February (7.2km/h).
The calmest month (with the lowest average wind speed) is August (5.2km/h).
Average humidity in September
Innsbruck, Austria
- Average humidity in September: 83%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Innsbruck, Austria
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
Innsbruck, Austria
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Innsbruck, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Innsbruck, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Innsbruck, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Innsbruck, Austria
- Average sunshine days in September: 12 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is July (5.2 days).
Average UV index in September
Innsbruck, 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, November and December (UV index 1).
Average cloud cover in September
Innsbruck, Austria
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Innsbruck, 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).





