Weather on September 15 in Vienna
Historical weather data for September 15 in Vienna, Austria
Based on 55 years of data from WIEN
About This Date
September 15th in Vienna, Austria typically brings pleasant fall weather, with average highs around 21°C and lows near 12°C. Over 55 years of records, the warmest September 15th was in 1987 (23°C average), while the coldest was 2008 (9°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 36% of September 15th dates historically, with the wettest September 15th recording 9.5" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for September 15th in Vienna? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 27°C (81°F) | 11°C (52°F) | -- |
| 2024 | 11°C (51°F) | 8°C (47°F) | 9.5" |
| 2023 | 24°C (75°F) | 14°C (57°F) | 0" |
| 2022 | 22°C (71°F) | 17°C (63°F) | 0.38" |
| 2021 | 27°C (81°F) | 14°C (57°F) | 0" |
| 2020 | 28°C (83°F) | 16°C (60°F) | 0" |
| 2019 | 24°C (76°F) | 9°C (49°F) | 0" |
| 2018 | 23°C (74°F) | 15°C (59°F) | 0" |
| 2017 | 21°C (70°F) | 12°C (53°F) | 0.55" |
| 2016 | 28°C (83°F) | 16°C (60°F) | 0" |
| 2015 | 21°C (70°F) | 13°C (56°F) | 0" |
| 2014 | 21°C (70°F) | 15°C (59°F) | 0" |
| 2013 | 21°C (69°F) | 13°C (55°F) | 0" |
| 2012 | 19°C (66°F) | 13°C (55°F) | 0.01" |
| 2011 | 23°C (73°F) | 13°C (55°F) | 0" |
| 2010 | 24°C (76°F) | 14°C (57°F) | 0.02" |
| 2009 | 22°C (72°F) | 14°C (58°F) | 0" |
| 2008 | 11°C (52°F) | 8°C (46°F) | 2.26" |
| 2007 | 21°C (69°F) | 14°C (58°F) | 0" |
| 2006 | 23°C (74°F) | 16°C (60°F) | 0" |
| 2005 | 22°C (71°F) | 17°C (62°F) | 0" |
| 2004 | 23°C (74°F) | 16°C (60°F) | 0.52" |
| 2003 | 21°C (70°F) | 9°C (48°F) | 0" |
| 2002 | 17°C (63°F) | 12°C (54°F) | 0.34" |
| 2001 | 15°C (59°F) | 10°C (50°F) | 0.1" |
| 2000 | 23°C (74°F) | 17°C (62°F) | 0" |
| 1999 | 25°C (77°F) | 13°C (55°F) | 0" |
| 1998 | 15°C (59°F) | 9°C (48°F) | 0.98" |
| 1997 | 19°C (67°F) | 8°C (46°F) | 0" |
| 1996 | 17°C (62°F) | 9°C (49°F) | 0.1" |
| 1995 | 14°C (57°F) | 12°C (53°F) | 2.64" |
| 1994 | 24°C (76°F) | 14°C (57°F) | 0" |
| 1993 | 22°C (71°F) | 12°C (53°F) | 0" |
| 1992 | 21°C (70°F) | 13°C (56°F) | 0" |
| 1991 | 22°C (71°F) | 14°C (58°F) | 0" |
| 1990 | 21°C (69°F) | 9°C (49°F) | 0" |
| 1989 | 18°C (65°F) | 13°C (56°F) | 0.4" |
| 1988 | 17°C (62°F) | 10°C (50°F) | 1.92" |
| 1987 | 26°C (78°F) | 20°C (68°F) | 0" |
| 1986 | 27°C (80°F) | 17°C (62°F) | 0" |
| 1985 | 23°C (73°F) | 8°C (47°F) | 0.11" |
| 1984 | 18°C (65°F) | 13°C (55°F) | 0.18" |
| 1983 | 26°C (78°F) | 13°C (56°F) | 0" |
| 1982 | 26°C (78°F) | 14°C (57°F) | 0" |
| 1981 | 16°C (61°F) | 11°C (51°F) | 0.09" |
| 1980 | 19°C (67°F) | 13°C (55°F) | 0" |
| 1979 | 17°C (63°F) | 13°C (55°F) | 0" |
| 1978 | 22°C (71°F) | 12°C (53°F) | 0" |
| 1977 | 21°C (70°F) | 10°C (50°F) | 0.16" |
| 1976 | 16°C (60°F) | 10°C (50°F) | 0.01" |
| 1975 | 25°C (77°F) | 12°C (54°F) | 0" |
| 1974 | 23°C (74°F) | 17°C (63°F) | 0" |
| 1973 | 21°C (70°F) | 8°C (46°F) | 0" |
| 1972 | 15°C (59°F) | 6°C (42°F) | 0.43" |
| 1971 | 15°C (59°F) | 9°C (48°F) | 0" |