Climate averages 1991–2020
Innsbruck weather
in September.
A mild, wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
Approximate: the model cell is 642 m higher than the city, so the temperatures are adjusted up by 4.2°C. For places not marked Approximate, the cell is within 400 m of the place's elevation.
September is a mild month in Innsbruck: daytime highs average 19.5°C and nights cool to about 9.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 139 mm of rain on roughly 16 days, which makes September a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 37 min on an average September day.
The nearest other city in this atlas is Bolzano (86 km away, marked approximate). In September its highs average 22.1°C, 2.6°C warmer than Innsbruck, with 93 mm of rain.
Among the 6 cities listed in Austria, Innsbruck ranks 2nd of 6 for the warmest September highs and joint 4th of 6 for the driest September (rainfall, lowest first). The mean September high of those 6 cities is 19.4°C; Innsbruck is 0.1°C warmer than that mean.
From September to October, average highs fall by 4.0°C to 15.5°C, and monthly rainfall falls from 139 mm to 118 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Innsbruck climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.9°C-6.1°C | -6.1°C | 83 | 12.5 | 8.99 h |
| February | 5.6°C-4.4°C | -4.4°C | 79 | 12.6 | 10.210 h |
| March | 9.0°C-0.3°C | -0.3°C | 110 | 15.6 | 11.912 h |
| April | 12.5°C3.2°C | 3.2°C | 115 | 16.1 | 13.614 h |
| May | 17.7°C7.3°C | 7.3°C | 177 | 21.3 | 15.115 h |
| June | 21.6°C11.4°C | 11.4°C | 198 | 21.4 | 15.916 h |
| July | 23.5°C13.4°C | 13.4°C | 203 | 21.0 | 15.516 h |
| August | 23.4°C13.5°C | 13.5°C | 206 | 20.0 | 14.214 h |
| September, selected | 19.5°C9.6°C | 9.6°C | 139 | 15.6 | 12.613 h |
| October | 15.5°C5.4°C | 5.4°C | 118 | 13.4 | 10.911 h |
| November | 9.3°C-0.3°C | -0.3°C | 106 | 12.9 | 9.49 h |
| December | 4.6°C-4.9°C | -4.9°C | 96 | 13.5 | 8.69 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Bolzano (approximate) in SeptemberItaly · 86 kmHigh 22.1°C · Low 13.7°C · 93 mm rain
- Munich in SeptemberGermany · 98 kmHigh 18.2°C · Low 9.6°C · 81 mm rain
- Augsburg in SeptemberGermany · 129 kmHigh 18.6°C · Low 10.1°C · 82 mm rain
- Trento (approximate) in SeptemberItaly · 134 kmHigh 21.7°C · Low 14.9°C · 121 mm rain
- Salzburg in SeptemberAustria · 137 kmHigh 19.0°C · Low 9.6°C · 165 mm rain
- Vaduz in SeptemberLiechtenstein · 142 kmHigh 19.1°C · Low 10.5°C · 154 mm rain
- Landshut in SeptemberGermany · 152 kmHigh 18.6°C · Low 10.6°C · 81 mm rain
- Sankt Gallen in SeptemberSwitzerland · 153 kmHigh 17.2°C · Low 9.2°C · 127 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Innsbruck) is explained once on the Innsbruck year overview and on the Sources, method and limits page.