Weather on September 21 in Barcelona
Historical weather data for September 21 in Barcelona, Spain
Avg High24°C (75°F)
Avg Low20°C (68°F)
Warmest201827°C
Coldest202120°C
Based on 54 years of data from BARCELONA-EL RAVAL
About This Date
September 21st in Barcelona, Spain typically brings pleasant fall weather, with average highs around 24°C and lows near 20°C. Over 54 years of records, the warmest September 21st was in 2018 (27°C average), while the coldest was 2021 (20°C) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 30% of September 21st dates historically, with the wettest September 21st recording 7.43" of rain.
Planning for September 21st in Barcelona? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 27°C (80°F) | 18°C (65°F) | 3.55" |
| 2023 | 28°C (83°F) | 21°C (69°F) | 0" |
| 2022 | 25°C (77°F) | 21°C (69°F) | 0" |
| 2021 | 22°C (72°F) | 18°C (64°F) | 0" |
| 2020 | 24°C (75°F) | 19°C (66°F) | 3.77" |
| 2019 | 23°C (73°F) | 20°C (68°F) | 1.06" |
| 2018 | 31°C (87°F) | 23°C (73°F) | 0" |
| 2017 | 26°C (78°F) | 18°C (64°F) | 0" |
| 2016 | 26°C (78°F) | 21°C (69°F) | 0" |
| 2015 | 23°C (74°F) | 19°C (67°F) | 0" |
| 2014 | 27°C (80°F) | 22°C (72°F) | 0" |
| 2013 | 26°C (79°F) | 21°C (69°F) | 0" |
| 2012 | 26°C (79°F) | 21°C (69°F) | 0" |
| 2011 | 27°C (80°F) | 19°C (66°F) | 0" |
| 2010 | 23°C (74°F) | 19°C (67°F) | 1" |
| 2009 | 27°C (80°F) | 17°C (63°F) | 0.03" |
| 2008 | 24°C (75°F) | 21°C (69°F) | 0" |
| 2007 | 22°C (71°F) | -- | 0" |
| 2006 | 25°C (77°F) | -- | 0" |
| 2005 | 23°C (74°F) | -- | 0" |
| 2004 | 22°C (71°F) | -- | 0" |
| 2003 | 25°C (77°F) | -- | 0" |
| 2002 | 24°C (76°F) | -- | 0" |
| 2001 | 24°C (76°F) | -- | 0" |
| 2000 | 23°C (74°F) | -- | 0" |
| 1999 | 23°C (74°F) | -- | 0" |
| 1998 | 24°C (76°F) | -- | 0" |
| 1997 | 26°C (79°F) | -- | 1.52" |
| 1996 | 22°C (71°F) | -- | 0.12" |
| 1995 | 21°C (70°F) | -- | 7.43" |
| 1994 | 13°C (55°F) | -- | 1.95" |
| 1993 | 27°C (80°F) | -- | 0.34" |
| 1992 | 24°C (75°F) | -- | 0.56" |
| 1991 | 28°C (82°F) | -- | 0" |
| 1990 | 27°C (80°F) | -- | 0" |
| 1989 | 23°C (74°F) | -- | 0" |
| 1988 | 23°C (73°F) | -- | 0" |
| 1987 | 29°C (85°F) | -- | 0" |
| 1986 | 26°C (78°F) | -- | 0" |
| 1985 | 27°C (80°F) | -- | 0" |
| 1984 | 24°C (75°F) | -- | 0" |
| 1983 | 26°C (79°F) | -- | 0" |
| 1982 | 29°C (84°F) | -- | 0" |
| 1981 | 27°C (81°F) | -- | 0" |
| 1980 | 27°C (80°F) | -- | 0" |
| 1979 | 23°C (73°F) | -- | 0.03" |
| 1978 | 22°C (72°F) | -- | 0" |
| 1977 | 17°C (62°F) | -- | 0.81" |
| 1976 | 23°C (74°F) | -- | 0" |
| 1975 | 23°C (73°F) | -- | 0" |
| 1974 | 21°C (70°F) | -- | 0" |
| 1973 | 21°C (69°F) | -- | 0.02" |
| 1972 | 17°C (62°F) | -- | 0.5" |
| 1971 | 20°C (68°F) | -- | 0.7" |