Weather on September 19 in London
Historical weather data for September 19 in London, United Kingdom
Avg High18°C (65°F)
Avg Low11°C (51°F)
Warmest200319°C
Coldest198811°C
Based on 55 years of data from HAMPSTEAD
About This Date
September 19th in London, United Kingdom typically brings mild fall weather, with average highs around 18°C and lows near 11°C. Over 55 years of records, the warmest September 19th was in 2003 (19°C average), while the coldest was 1988 (11°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 38% of September 19th dates historically, with the wettest September 19th recording 2" of rain.
Planning for September 19th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 20°C (68°F) | 14°C (57°F) | 0" |
| 2024 | 26°C (79°F) | -- | 0" |
| 2023 | -- | 13°C (55°F) | 0.05" |
| 2022 | 18°C (65°F) | 12°C (53°F) | 0" |
| 2021 | 18°C (65°F) | -- | 0" |
| 2020 | -- | 13°C (55°F) | 0" |
| 2019 | -- | 8°C (46°F) | 0" |
| 2018 | 24°C (75°F) | -- | 0.03" |
| 2017 | -- | 8°C (47°F) | 0.36" |
| 2016 | -- | 13°C (55°F) | 0" |
| 2015 | 19°C (67°F) | 11°C (51°F) | 0" |
| 2014 | 18°C (64°F) | 15°C (59°F) | 1.58" |
| 2013 | 18°C (65°F) | 7°C (44°F) | 0.18" |
| 2012 | 17°C (62°F) | 6°C (42°F) | 0" |
| 2011 | 18°C (64°F) | 8°C (47°F) | 0" |
| 2010 | 21°C (69°F) | 11°C (51°F) | 0" |
| 2009 | 20°C (68°F) | 12°C (54°F) | 0" |
| 2008 | 21°C (69°F) | 8°C (47°F) | 0" |
| 2007 | 18°C (64°F) | 8°C (46°F) | 0.04" |
| 2006 | 20°C (68°F) | 12°C (54°F) | 0" |
| 2005 | 19°C (67°F) | 13°C (55°F) | 0" |
| 2004 | 18°C (65°F) | 8°C (46°F) | 0.02" |
| 2003 | 26°C (79°F) | 12°C (54°F) | 0" |
| 2002 | 18°C (64°F) | 12°C (53°F) | 0" |
| 2001 | 18°C (64°F) | 11°C (52°F) | 0.3" |
| 2000 | 16°C (61°F) | 11°C (52°F) | 1.11" |
| 1999 | 17°C (62°F) | 14°C (57°F) | 2" |
| 1998 | 21°C (69°F) | 14°C (58°F) | 0" |
| 1997 | 18°C (65°F) | 14°C (57°F) | 0" |
| 1996 | 13°C (55°F) | 10°C (50°F) | -- |
| 1995 | 17°C (62°F) | 14°C (57°F) | 0" |
| 1994 | 13°C (56°F) | 8°C (47°F) | 1.15" |
| 1993 | 17°C (62°F) | 8°C (46°F) | 0" |
| 1992 | 18°C (65°F) | 13°C (56°F) | 0.01" |
| 1991 | 19°C (67°F) | 7°C (45°F) | 0" |
| 1990 | 16°C (60°F) | 13°C (56°F) | 0.05" |
| 1989 | 22°C (71°F) | 14°C (57°F) | 0" |
| 1988 | 13°C (56°F) | 8°C (46°F) | 0" |
| 1987 | 23°C (73°F) | 11°C (51°F) | 0.62" |
| 1986 | 20°C (68°F) | 6°C (43°F) | 0" |
| 1985 | 18°C (64°F) | 15°C (59°F) | 0" |
| 1984 | 17°C (63°F) | 11°C (51°F) | 1.8" |
| 1983 | 16°C (60°F) | 11°C (51°F) | 0.17" |
| 1982 | 19°C (66°F) | 13°C (56°F) | 0.45" |
| 1981 | 16°C (61°F) | 10°C (50°F) | 1.54" |
| 1980 | 18°C (65°F) | 13°C (56°F) | 0.08" |
| 1979 | 16°C (61°F) | 16°C (60°F) | 1.2" |
| 1978 | 18°C (64°F) | 8°C (46°F) | 0" |
| 1977 | 13°C (55°F) | 9°C (48°F) | 0" |
| 1976 | 22°C (71°F) | 10°C (50°F) | 0" |
| 1975 | 19°C (67°F) | 9°C (48°F) | 0.07" |
| 1974 | 16°C (61°F) | 7°C (45°F) | 0" |
| 1973 | 18°C (64°F) | 12°C (53°F) | 0" |
| 1972 | 18°C (64°F) | 8°C (46°F) | 0" |
| 1971 | 21°C (69°F) | 10°C (50°F) | 0" |