Weather on September 17 in Colombo
Historical weather data for September 17 in Colombo, Sri Lanka
Avg High23°C (73°F)
Avg Low16°C (60°F)
Warmest201029°C
Coldest197414°C
Based on 51 years of data from COLOMBO
About This Date
September 17th in Colombo, Sri Lanka typically brings pleasant fall weather, with average highs around 23°C and lows near 16°C. Over 51 years of records, the warmest September 17th was in 2010 (29°C average), while the coldest was 1974 (14°C) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 17th dates historically, with the wettest September 17th recording 3.68" of rain.
Planning for September 17th in Colombo? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 30°C (86°F) | 26°C (78°F) | -- |
| 2023 | 32°C (89°F) | -- | 0 mm |
| 2021 | 31°C (87°F) | 26°C (78°F) | 0 mm |
| 2020 | 31°C (88°F) | 26°C (79°F) | 5 mm |
| 2019 | -- | 23°C (74°F) | 6 mm |
| 2017 | 31°C (87°F) | -- | 2 mm |
| 2016 | 31°C (88°F) | -- | 0 mm |
| 2015 | 31°C (88°F) | 25°C (77°F) | 26 mm |
| 2014 | 31°C (87°F) | 26°C (79°F) | 7 mm |
| 2013 | 28°C (83°F) | -- | 52 mm |
| 2012 | 31°C (88°F) | 26°C (79°F) | 0 mm |
| 2011 | 31°C (87°F) | -- | 11 mm |
| 2010 | 31°C (87°F) | 27°C (81°F) | 0 mm |
| 2009 | 31°C (87°F) | 26°C (78°F) | 13 mm |
| 2007 | 17°C (62°F) | -- | 50 mm |
| 2006 | 20°C (68°F) | -- | 0 mm |
| 2005 | 21°C (69°F) | -- | -- |
| 2004 | 21°C (69°F) | 13°C (55°F) | -- |
| 2003 | 19°C (67°F) | 13°C (56°F) | -- |
| 2002 | 18°C (64°F) | 12°C (54°F) | 0 mm |
| 2001 | 22°C (71°F) | 13°C (55°F) | 93 mm |
| 2000 | 20°C (68°F) | 13°C (55°F) | -- |
| 1999 | 21°C (69°F) | 12°C (53°F) | -- |
| 1998 | 18°C (65°F) | 14°C (58°F) | 1 mm |
| 1997 | 21°C (69°F) | 13°C (55°F) | -- |
| 1996 | 18°C (65°F) | 14°C (58°F) | -- |
| 1995 | 18°C (64°F) | 14°C (58°F) | 61 mm |
| 1994 | -- | 13°C (56°F) | -- |
| 1993 | 22°C (72°F) | 14°C (58°F) | -- |
| 1992 | 21°C (70°F) | 11°C (51°F) | 0 mm |
| 1991 | 18°C (65°F) | 14°C (58°F) | -- |
| 1990 | -- | 13°C (55°F) | -- |
| 1989 | -- | 14°C (57°F) | -- |
| 1988 | 17°C (62°F) | 13°C (56°F) | -- |
| 1987 | 23°C (73°F) | 12°C (54°F) | 25 mm |
| 1986 | 17°C (63°F) | 13°C (56°F) | 28 mm |
| 1985 | 21°C (70°F) | 12°C (53°F) | 0 mm |
| 1984 | 21°C (69°F) | 11°C (51°F) | -- |
| 1983 | 21°C (69°F) | 12°C (54°F) | -- |
| 1982 | 20°C (68°F) | 12°C (54°F) | 0 mm |
| 1981 | 17°C (62°F) | 14°C (57°F) | -- |
| 1980 | 21°C (70°F) | 12°C (53°F) | -- |
| 1979 | 19°C (66°F) | 14°C (57°F) | -- |
| 1978 | -- | 26°C (79°F) | -- |
| 1977 | 19°C (67°F) | 12°C (53°F) | -- |
| 1976 | 19°C (66°F) | 13°C (55°F) | -- |
| 1975 | 23°C (74°F) | 13°C (55°F) | -- |
| 1974 | 17°C (63°F) | 11°C (52°F) | -- |
| 1973 | 21°C (70°F) | 12°C (53°F) | -- |
| 1972 | 20°C (68°F) | 11°C (52°F) | -- |
| 1971 | 21°C (69°F) | 12°C (54°F) | -- |