Weather on September 20 in Prague
Historical weather data for September 20 in Prague, Czech Republic
Avg High19°C (67°F)
Avg Low10°C (50°F)
Warmest199923°C
Coldest19779°C
Based on 55 years of data from PRAHA-KLEMENTINUM
About This Date
September 20th in Prague, Czech Republic typically brings mild fall weather, with average highs around 19°C and lows near 10°C. Over 55 years of records, the warmest September 20th was in 1999 (23°C average), while the coldest was 1977 (9°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 20th dates historically, with the wettest September 20th recording 0.71" of rain.
Planning for September 20th in Prague? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 29°C (85°F) | 11°C (52°F) | -- |
| 2024 | 22°C (71°F) | 8°C (47°F) | 0" |
| 2023 | 26°C (79°F) | 13°C (55°F) | 0" |
| 2022 | 13°C (56°F) | -- | 0.48" |
| 2021 | -- | 10°C (50°F) | 0" |
| 2020 | -- | 8°C (46°F) | 0" |
| 2019 | -- | 3°C (37°F) | 0" |
| 2018 | -- | 13°C (56°F) | 0" |
| 2017 | -- | 7°C (44°F) | 0" |
| 2016 | -- | 7°C (45°F) | 0.1" |
| 2015 | -- | 9°C (48°F) | 0" |
| 2014 | 24°C (76°F) | 14°C (57°F) | 0.2" |
| 2013 | 16°C (60°F) | 8°C (47°F) | 0.2" |
| 2012 | 15°C (59°F) | 6°C (42°F) | 0.05" |
| 2011 | 15°C (59°F) | 10°C (50°F) | 0.48" |
| 2010 | 18°C (64°F) | 4°C (39°F) | 0" |
| 2009 | 23°C (73°F) | 11°C (51°F) | 0" |
| 2008 | 12°C (53°F) | 8°C (47°F) | 0" |
| 2007 | 18°C (64°F) | 2°C (36°F) | 0" |
| 2006 | 19°C (67°F) | -- | 0" |
| 2005 | 17°C (63°F) | 3°C (37°F) | 0" |
| 2004 | 22°C (72°F) | 15°C (59°F) | 0" |
| 2003 | 28°C (82°F) | 13°C (55°F) | 0" |
| 2002 | 17°C (62°F) | 12°C (53°F) | 0.01" |
| 2001 | 19°C (66°F) | 9°C (49°F) | 0.7" |
| 2000 | 17°C (63°F) | 8°C (47°F) | 0.08" |
| 1999 | 27°C (81°F) | 18°C (65°F) | 0" |
| 1998 | 18°C (65°F) | 10°C (50°F) | 0" |
| 1997 | 16°C (60°F) | 6°C (43°F) | 0" |
| 1996 | 17°C (63°F) | 7°C (45°F) | 0.27" |
| 1995 | 21°C (69°F) | 13°C (55°F) | 0.71" |
| 1994 | 16°C (61°F) | 8°C (46°F) | 0" |
| 1993 | 17°C (63°F) | 7°C (45°F) | 0" |
| 1992 | 21°C (70°F) | 11°C (51°F) | 0" |
| 1991 | 19°C (66°F) | 13°C (56°F) | 0.17" |
| 1990 | 17°C (62°F) | 12°C (53°F) | 0" |
| 1989 | 23°C (73°F) | 18°C (64°F) | 0" |
| 1988 | 17°C (62°F) | 13°C (56°F) | 0" |
| 1987 | 24°C (76°F) | 15°C (59°F) | 0" |
| 1986 | 18°C (64°F) | 4°C (39°F) | 0" |
| 1985 | 27°C (80°F) | 14°C (57°F) | 0" |
| 1984 | 18°C (65°F) | 13°C (56°F) | -- |
| 1983 | 17°C (63°F) | 12°C (53°F) | 0.08" |
| 1982 | 27°C (80°F) | 14°C (58°F) | 0.05" |
| 1981 | 19°C (66°F) | 11°C (52°F) | 0.05" |
| 1980 | 18°C (64°F) | 12°C (53°F) | 0.01" |
| 1979 | 25°C (77°F) | 13°C (56°F) | 0.13" |
| 1978 | 12°C (54°F) | 7°C (45°F) | 0.04" |
| 1977 | 11°C (51°F) | 7°C (45°F) | 0.04" |
| 1976 | 16°C (60°F) | 10°C (50°F) | 0" |
| 1975 | 21°C (69°F) | 17°C (63°F) | 0" |
| 1974 | 17°C (62°F) | 13°C (55°F) | 0" |
| 1973 | 23°C (74°F) | 13°C (56°F) | 0" |
| 1972 | 16°C (61°F) | 11°C (51°F) | 0" |
| 1971 | 18°C (64°F) | 8°C (47°F) | 0" |