Climate averages 1991–2020
Linz weather
in September.
A mild, moderately wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Linz: daytime highs average 19.4°C and nights cool to about 11.1°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 74 mm of rain on roughly 11 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 38 min on an average September day.
The nearest other city in this atlas is České Budějovice (76 km away). In September its highs average 18.5°C, 0.9°C cooler than Linz, with 60 mm of rain.
Among the 6 cities listed in Austria, Linz ranks 3rd of 6 for the warmest September highs and 2nd of 6 for the driest September (rainfall, lowest first). The mean September high of those 6 cities is 19.4°C; Linz is level with that mean.
From September to October, average highs fall by 5.1°C to 14.4°C, and monthly rainfall falls from 74 mm to 62 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
Linz climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.3°C-3.1°C | -3.1°C | 59 | 11.2 | 8.89 h |
| February | 5.4°C-2.5°C | -2.5°C | 50 | 10.2 | 10.210 h |
| March | 9.9°C0.9°C | 0.9°C | 67 | 12.5 | 11.912 h |
| April | 15.1°C4.9°C | 4.9°C | 55 | 10.4 | 13.614 h |
| May | 19.1°C9.5°C | 9.5°C | 88 | 13.1 | 15.215 h |
| June | 22.5°C13.3°C | 13.3°C | 87 | 13.6 | 16.016 h |
| July | 24.3°C15.1°C | 15.1°C | 93 | 13.7 | 15.716 h |
| August | 24.3°C15.3°C | 15.3°C | 86 | 11.3 | 14.314 h |
| September, selected | 19.4°C11.1°C | 11.1°C | 74 | 10.9 | 12.613 h |
| October | 14.4°C6.7°C | 6.7°C | 62 | 10.6 | 10.911 h |
| November | 8.4°C2.1°C | 2.1°C | 54 | 10.3 | 9.39 h |
| December | 3.9°C-1.6°C | -1.6°C | 57 | 11.9 | 8.48 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
- České Budějovice in SeptemberCzechia · 76 kmHigh 18.5°C · Low 10.1°C · 60 mm rain
- Salzburg in SeptemberAustria · 108 kmHigh 19.0°C · Low 9.6°C · 165 mm rain
- Vienna in SeptemberAustria · 155 kmHigh 20.3°C · Low 11.8°C · 71 mm rain
- Landshut in SeptemberGermany · 159 kmHigh 18.6°C · Low 10.6°C · 81 mm rain
- Graz in SeptemberAustria · 163 kmHigh 19.2°C · Low 9.7°C · 83 mm rain
- Pilsen in SeptemberCzechia · 173 kmHigh 18.9°C · Low 10.1°C · 54 mm rain
- Regensburg in SeptemberGermany · 179 kmHigh 19.2°C · Low 10.5°C · 64 mm rain
- Klagenfurt am Wörthersee in SeptemberAustria · 187 kmHigh 19.2°C · Low 11.1°C · 139 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 Linz) is explained once on the Linz year overview and on the Sources, method and limits page.