Weather on September 15 in Colombo
Historical weather data for September 15 in Colombo, Sri Lanka
Based on 52 years of data from COLOMBO
About This Date
September 15th in Colombo, Sri Lanka typically brings pleasant fall weather, with average highs around 23°C and lows near 17°C. Over 52 years of records, the warmest September 15th was in 2009 (29°C average), while the coldest was 1998 (14°C) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 15th dates historically, with the wettest September 15th recording 2.9" of rain. The last decade has been 22.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 22.1°F warmer on this date compared to 20-30 years ago.
Planning for September 15th in Colombo? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 29°C (85°F) | 28°C (82°F) | -- |
| 2023 | 29°C (85°F) | 24°C (76°F) | 20 mm |
| 2022 | -- | 27°C (80°F) | 0 mm |
| 2021 | 31°C (87°F) | 26°C (79°F) | 1 mm |
| 2020 | 30°C (86°F) | 26°C (79°F) | 5 mm |
| 2019 | -- | 24°C (76°F) | 69 mm |
| 2018 | 31°C (88°F) | 26°C (79°F) | 0 mm |
| 2017 | 31°C (87°F) | -- | 0 mm |
| 2016 | 31°C (87°F) | -- | 0 mm |
| 2015 | 32°C (89°F) | 27°C (80°F) | 15 mm |
| 2014 | 31°C (87°F) | 25°C (77°F) | 39 mm |
| 2013 | 30°C (86°F) | -- | 0 mm |
| 2012 | 31°C (88°F) | 26°C (78°F) | 0 mm |
| 2011 | 31°C (87°F) | 27°C (80°F) | 6 mm |
| 2010 | 31°C (87°F) | 27°C (80°F) | 0 mm |
| 2009 | 31°C (87°F) | 27°C (81°F) | 0 mm |
| 2006 | 18°C (65°F) | -- | 6 mm |
| 2005 | 19°C (66°F) | -- | 1 mm |
| 2004 | 20°C (68°F) | 13°C (56°F) | 0 mm |
| 2003 | 17°C (63°F) | 14°C (57°F) | 8 mm |
| 2002 | 19°C (66°F) | 12°C (53°F) | 8 mm |
| 2001 | 22°C (71°F) | 12°C (54°F) | 37 mm |
| 2000 | 21°C (69°F) | 12°C (53°F) | -- |
| 1999 | 19°C (67°F) | 14°C (57°F) | -- |
| 1998 | 16°C (60°F) | 13°C (56°F) | -- |
| 1997 | 21°C (70°F) | 12°C (53°F) | -- |
| 1996 | 17°C (62°F) | 14°C (58°F) | -- |
| 1995 | 19°C (66°F) | 12°C (54°F) | 0 mm |
| 1994 | -- | 14°C (58°F) | 46 mm |
| 1993 | 20°C (68°F) | 13°C (55°F) | -- |
| 1992 | -- | 25°C (77°F) | 1 mm |
| 1991 | 21°C (70°F) | 12°C (53°F) | -- |
| 1990 | -- | 13°C (55°F) | 74 mm |
| 1989 | -- | 13°C (56°F) | -- |
| 1988 | 17°C (62°F) | 13°C (56°F) | -- |
| 1987 | 22°C (72°F) | 12°C (54°F) | -- |
| 1986 | 19°C (67°F) | 13°C (56°F) | 23 mm |
| 1985 | 19°C (66°F) | 12°C (54°F) | 0 mm |
| 1984 | 19°C (67°F) | 10°C (50°F) | -- |
| 1983 | 21°C (70°F) | 12°C (54°F) | 0 mm |
| 1982 | 19°C (67°F) | 14°C (57°F) | -- |
| 1981 | 30°C (86°F) | -- | -- |
| 1980 | 21°C (69°F) | 12°C (53°F) | -- |
| 1979 | -- | 22°C (72°F) | -- |
| 1978 | -- | 26°C (79°F) | -- |
| 1977 | 21°C (69°F) | 13°C (56°F) | -- |
| 1976 | 18°C (65°F) | 13°C (56°F) | -- |
| 1975 | 20°C (68°F) | 11°C (52°F) | -- |
| 1974 | 19°C (67°F) | 12°C (53°F) | -- |
| 1973 | 21°C (69°F) | 11°C (52°F) | -- |
| 1972 | 21°C (69°F) | 13°C (56°F) | -- |
| 1971 | 23°C (73°F) | 9°C (49°F) | -- |