Weather on September 17 in Prague
Historical weather data for September 17 in Prague, Czech Republic
Avg High19°C (67°F)
Avg Low11°C (51°F)
Warmest197522°C
Coldest19718°C
Based on 51 years of data from PRAHA-KLEMENTINUM
About This Date
September 17th in Prague, Czech Republic typically brings mild fall weather, with average highs around 19°C and lows near 11°C. Over 51 years of records, the warmest September 17th was in 1975 (22°C average), while the coldest was 1971 (8°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 39% of September 17th dates historically, with the wettest September 17th recording 1.22" of rain.
Planning for September 17th in Prague? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 18°C (64°F) | 11°C (51°F) | -- |
| 2024 | 22°C (71°F) | 13°C (55°F) | 0.79" |
| 2023 | 28°C (83°F) | 11°C (52°F) | 0" |
| 2022 | 14°C (57°F) | 8°C (46°F) | 0" |
| 2021 | -- | 11°C (52°F) | 1.22" |
| 2017 | -- | 7°C (44°F) | 0" |
| 2015 | -- | 12°C (54°F) | 0" |
| 2014 | 24°C (75°F) | 12°C (53°F) | 0.15" |
| 2013 | 14°C (58°F) | -- | 0.64" |
| 2012 | 21°C (70°F) | 7°C (44°F) | 0" |
| 2011 | 26°C (78°F) | 11°C (52°F) | 0" |
| 2010 | 17°C (63°F) | 7°C (44°F) | 0" |
| 2009 | 20°C (68°F) | 16°C (60°F) | 0" |
| 2008 | 11°C (51°F) | -- | 0" |
| 2007 | 26°C (79°F) | 10°C (50°F) | 0" |
| 2006 | 26°C (78°F) | 15°C (59°F) | 0" |
| 2005 | 13°C (56°F) | -- | 0.51" |
| 2004 | 19°C (67°F) | 7°C (45°F) | 0" |
| 2003 | 24°C (75°F) | 11°C (51°F) | 0" |
| 2002 | 18°C (65°F) | 12°C (53°F) | 0" |
| 2001 | 16°C (60°F) | 10°C (50°F) | 0.11" |
| 2000 | 17°C (63°F) | 12°C (54°F) | 0.38" |
| 1999 | 24°C (76°F) | 17°C (63°F) | 1.11" |
| 1998 | 16°C (60°F) | 10°C (50°F) | 0.02" |
| 1997 | 24°C (75°F) | 8°C (47°F) | 0" |
| 1996 | 12°C (54°F) | 8°C (46°F) | 0.03" |
| 1995 | 19°C (67°F) | 9°C (48°F) | 0.01" |
| 1994 | 16°C (60°F) | 10°C (50°F) | 0" |
| 1993 | 19°C (66°F) | 12°C (53°F) | 0" |
| 1992 | 18°C (65°F) | 13°C (56°F) | 0" |
| 1991 | 23°C (74°F) | 16°C (61°F) | 0.4" |
| 1990 | 18°C (65°F) | 6°C (42°F) | 0.05" |
| 1989 | 25°C (77°F) | 17°C (62°F) | 0" |
| 1988 | 17°C (63°F) | 11°C (51°F) | 0" |
| 1987 | 24°C (75°F) | 14°C (57°F) | 0" |
| 1986 | 14°C (58°F) | 11°C (51°F) | 0.42" |
| 1985 | 18°C (65°F) | 12°C (53°F) | 0.12" |
| 1984 | 13°C (56°F) | 11°C (52°F) | -- |
| 1983 | 18°C (65°F) | 11°C (51°F) | 0" |
| 1982 | 26°C (79°F) | 13°C (56°F) | 0" |
| 1981 | 17°C (62°F) | 11°C (51°F) | 0.01" |
| 1980 | 19°C (67°F) | 8°C (47°F) | 0.05" |
| 1979 | 20°C (68°F) | 8°C (47°F) | 0" |
| 1978 | 24°C (76°F) | 12°C (53°F) | 0" |
| 1977 | 12°C (54°F) | 8°C (47°F) | 0.31" |
| 1976 | 16°C (60°F) | 11°C (51°F) | 0.1" |
| 1975 | 29°C (84°F) | 14°C (58°F) | 0" |
| 1974 | 24°C (75°F) | 13°C (55°F) | 0" |
| 1973 | 21°C (70°F) | 13°C (55°F) | 0" |
| 1972 | 14°C (58°F) | 8°C (47°F) | 0.03" |
| 1971 | 11°C (52°F) | 6°C (42°F) | 0" |