Weather on September 21 in Colombo
Historical weather data for September 21 in Colombo, Sri Lanka
Based on 51 years of data from COLOMBO
About This Date
September 21st in Colombo, Sri Lanka typically brings pleasant fall weather, with average highs around 22°C and lows near 17°C. Over 51 years of records, the warmest September 21st was in 2016 (29°C average), while the coldest was 1978 (14°C) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 29% of September 21st dates historically, with the wettest September 21st recording 4.27" of rain. The last decade has been 21.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 21.0°F warmer on this date compared to 20-30 years ago.
Planning for September 21st in Colombo? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 31°C (88°F) | 27°C (80°F) | -- |
| 2023 | 32°C (89°F) | 25°C (77°F) | 0.05" |
| 2022 | -- | 26°C (78°F) | 0.36" |
| 2021 | 28°C (82°F) | 24°C (75°F) | 4.01" |
| 2020 | 29°C (85°F) | 24°C (76°F) | 0.81" |
| 2019 | 31°C (87°F) | 24°C (76°F) | 0.05" |
| 2018 | -- | 13°C (55°F) | 0.46" |
| 2017 | 31°C (87°F) | -- | 0" |
| 2016 | 31°C (87°F) | 27°C (80°F) | 0" |
| 2015 | 32°C (89°F) | 25°C (77°F) | 0.89" |
| 2014 | 31°C (87°F) | 26°C (78°F) | 0" |
| 2013 | 31°C (87°F) | 27°C (80°F) | 0" |
| 2012 | 32°C (89°F) | 25°C (77°F) | 0" |
| 2011 | 31°C (87°F) | 26°C (78°F) | 0.28" |
| 2010 | 30°C (86°F) | -- | 4.27" |
| 2009 | 29°C (85°F) | 24°C (76°F) | 1.7" |
| 2005 | 18°C (65°F) | -- | 0.23" |
| 2004 | 18°C (64°F) | 14°C (58°F) | -- |
| 2003 | 21°C (69°F) | 14°C (57°F) | -- |
| 2002 | 21°C (69°F) | 13°C (55°F) | -- |
| 2001 | 19°C (66°F) | 13°C (55°F) | 0" |
| 2000 | 16°C (60°F) | 13°C (56°F) | -- |
| 1999 | 19°C (67°F) | 13°C (56°F) | -- |
| 1998 | 18°C (65°F) | 13°C (55°F) | -- |
| 1997 | 17°C (62°F) | 14°C (58°F) | -- |
| 1996 | 17°C (63°F) | 13°C (56°F) | -- |
| 1995 | 18°C (65°F) | 13°C (56°F) | 0.79" |
| 1994 | -- | 9°C (49°F) | 0" |
| 1993 | 17°C (63°F) | 13°C (56°F) | 0.1" |
| 1992 | 22°C (71°F) | 11°C (51°F) | 0" |
| 1991 | 19°C (66°F) | 13°C (55°F) | 0" |
| 1990 | 18°C (65°F) | 13°C (55°F) | -- |
| 1989 | -- | 12°C (53°F) | -- |
| 1988 | 19°C (66°F) | 13°C (56°F) | -- |
| 1987 | 19°C (67°F) | 13°C (56°F) | 0.2" |
| 1986 | 18°C (65°F) | 13°C (55°F) | 0.3" |
| 1985 | 21°C (70°F) | 12°C (53°F) | 0" |
| 1984 | 21°C (70°F) | 13°C (55°F) | -- |
| 1983 | 17°C (63°F) | 14°C (57°F) | 0" |
| 1982 | 19°C (66°F) | 13°C (56°F) | -- |
| 1981 | 18°C (64°F) | 14°C (57°F) | -- |
| 1980 | 22°C (71°F) | 14°C (57°F) | -- |
| 1979 | -- | 26°C (79°F) | -- |
| 1978 | 18°C (64°F) | 12°C (53°F) | -- |
| 1977 | 20°C (68°F) | 12°C (54°F) | -- |
| 1976 | 18°C (65°F) | 11°C (52°F) | -- |
| 1975 | 23°C (73°F) | 11°C (52°F) | -- |
| 1974 | 18°C (65°F) | 12°C (54°F) | -- |
| 1973 | 18°C (64°F) | 13°C (55°F) | -- |
| 1972 | 21°C (69°F) | 14°C (58°F) | -- |
| 1971 | 17°C (63°F) | 14°C (57°F) | -- |