Weather on September 20 in Vienna
Historical weather data for September 20 in Vienna, Austria
Based on 55 years of data from WIEN
About This Date
September 20th in Vienna, Austria typically brings mild fall weather, with average highs around 20°C and lows near 11°C. Over 55 years of records, the warmest September 20th was in 1987 (22°C average), while the coldest was 1977 (7°C) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 20th dates historically, with the wettest September 20th recording 0.76" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for September 20th in Vienna? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 29°C (84°F) | 14°C (57°F) | -- |
| 2024 | 22°C (72°F) | -- | -- |
| 2023 | 27°C (80°F) | 13°C (56°F) | 0" |
| 2022 | 15°C (59°F) | 10°C (50°F) | 0.36" |
| 2021 | 16°C (60°F) | 10°C (50°F) | 0" |
| 2020 | 23°C (74°F) | 11°C (51°F) | 0" |
| 2019 | 17°C (63°F) | 6°C (43°F) | 0" |
| 2018 | 28°C (83°F) | 15°C (59°F) | 0" |
| 2017 | 13°C (55°F) | 10°C (50°F) | 0.14" |
| 2016 | 18°C (65°F) | 13°C (55°F) | 0" |
| 2015 | 21°C (69°F) | 15°C (59°F) | 0" |
| 2014 | 25°C (77°F) | 14°C (57°F) | 0" |
| 2013 | 17°C (63°F) | 10°C (50°F) | 0.18" |
| 2012 | 17°C (62°F) | 9°C (49°F) | 0" |
| 2011 | 13°C (55°F) | 9°C (48°F) | 0.13" |
| 2010 | 19°C (67°F) | 6°C (43°F) | 0" |
| 2009 | 24°C (75°F) | 14°C (57°F) | 0" |
| 2008 | 12°C (53°F) | 9°C (49°F) | 0.09" |
| 2007 | 17°C (62°F) | 6°C (43°F) | 0" |
| 2006 | 23°C (73°F) | 15°C (59°F) | 0" |
| 2005 | 14°C (58°F) | 8°C (47°F) | 0.76" |
| 2004 | 23°C (74°F) | 13°C (55°F) | 0" |
| 2003 | 29°C (85°F) | 13°C (55°F) | 0" |
| 2002 | 18°C (64°F) | 14°C (57°F) | 0.45" |
| 2001 | 19°C (67°F) | 7°C (45°F) | 0" |
| 2000 | 16°C (60°F) | 12°C (53°F) | 0" |
| 1999 | 26°C (79°F) | 18°C (64°F) | 0" |
| 1998 | 17°C (63°F) | 12°C (53°F) | 0" |
| 1997 | 17°C (62°F) | 8°C (47°F) | 0" |
| 1996 | 13°C (55°F) | 10°C (50°F) | 0.06" |
| 1995 | 19°C (66°F) | 13°C (56°F) | 0.62" |
| 1994 | 16°C (60°F) | 9°C (49°F) | 0" |
| 1993 | 18°C (65°F) | 11°C (52°F) | 0" |
| 1992 | 22°C (71°F) | 8°C (47°F) | 0" |
| 1991 | 23°C (73°F) | 11°C (52°F) | 0.14" |
| 1990 | 22°C (72°F) | 11°C (52°F) | 0" |
| 1989 | 23°C (74°F) | 16°C (60°F) | 0" |
| 1988 | 16°C (60°F) | 12°C (54°F) | 0.05" |
| 1987 | 28°C (82°F) | 17°C (62°F) | 0" |
| 1986 | 18°C (65°F) | 4°C (40°F) | 0" |
| 1985 | 27°C (81°F) | 13°C (55°F) | 0" |
| 1984 | 21°C (69°F) | 12°C (54°F) | 0" |
| 1983 | 24°C (76°F) | 10°C (50°F) | 0" |
| 1982 | 24°C (76°F) | 12°C (54°F) | 0" |
| 1981 | 21°C (70°F) | 12°C (54°F) | 0" |
| 1980 | 18°C (65°F) | 15°C (59°F) | 0" |
| 1979 | 24°C (76°F) | 12°C (54°F) | 0" |
| 1978 | 16°C (60°F) | 8°C (47°F) | 0" |
| 1977 | 9°C (48°F) | 6°C (42°F) | 0.14" |
| 1976 | 14°C (58°F) | 8°C (47°F) | 0" |
| 1975 | 24°C (76°F) | 13°C (55°F) | 0" |
| 1974 | 20°C (68°F) | 11°C (52°F) | 0.04" |
| 1973 | 19°C (67°F) | 13°C (55°F) | 0" |
| 1972 | 17°C (62°F) | 10°C (50°F) | 0" |
| 1971 | 18°C (65°F) | 6°C (42°F) | 0" |