Weather on September 25 in London
Historical weather data for September 25 in London, United Kingdom
Based on 55 years of data from HAMPSTEAD
About This Date
September 25th in London, United Kingdom typically brings mild fall weather, with average highs around 18°C and lows near 10°C. Over 55 years of records, the warmest September 25th was in 2021 (18°C average), while the coldest was 1972 (9°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 51% of September 25th dates historically, with the wettest September 25th recording 2.4" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 25th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 14°C (58°F) | 8°C (46°F) | 0" |
| 2024 | 18°C (65°F) | 11°C (51°F) | 0.03" |
| 2023 | 23°C (73°F) | -- | 0.03" |
| 2022 | 17°C (62°F) | 9°C (48°F) | 0" |
| 2021 | 22°C (72°F) | 14°C (58°F) | 0" |
| 2020 | 15°C (59°F) | 7°C (44°F) | 0.33" |
| 2019 | -- | 14°C (58°F) | 2.31" |
| 2018 | 18°C (65°F) | -- | 0" |
| 2017 | -- | 15°C (59°F) | 0.61" |
| 2016 | 17°C (62°F) | 13°C (56°F) | 0.06" |
| 2015 | 17°C (63°F) | 8°C (46°F) | 0" |
| 2014 | 21°C (69°F) | 6°C (43°F) | 0" |
| 2013 | 19°C (66°F) | 13°C (55°F) | 0" |
| 2012 | 15°C (59°F) | 8°C (47°F) | 0.4" |
| 2011 | 21°C (70°F) | 12°C (54°F) | 0" |
| 2010 | 13°C (56°F) | 4°C (40°F) | 0" |
| 2009 | 19°C (67°F) | 8°C (47°F) | 0" |
| 2008 | 17°C (63°F) | 12°C (54°F) | 0" |
| 2007 | 17°C (62°F) | 8°C (47°F) | 0.09" |
| 2006 | 18°C (64°F) | 15°C (59°F) | 0.11" |
| 2005 | 21°C (69°F) | 12°C (54°F) | 0.02" |
| 2004 | 19°C (66°F) | 5°C (41°F) | 0.06" |
| 2003 | 20°C (68°F) | 7°C (45°F) | 0" |
| 2002 | 18°C (64°F) | 8°C (46°F) | 0.04" |
| 2001 | 16°C (61°F) | 8°C (46°F) | 0.01" |
| 2000 | 21°C (69°F) | 9°C (49°F) | 0.63" |
| 1999 | 17°C (63°F) | 13°C (55°F) | 0.2" |
| 1998 | 22°C (71°F) | 11°C (51°F) | 0.03" |
| 1997 | 21°C (69°F) | 14°C (57°F) | 0" |
| 1996 | 17°C (62°F) | 8°C (47°F) | -- |
| 1995 | 17°C (62°F) | 7°C (45°F) | 0.03" |
| 1994 | 17°C (62°F) | 13°C (55°F) | 0.03" |
| 1993 | 13°C (56°F) | 8°C (46°F) | 0.04" |
| 1992 | 23°C (74°F) | 10°C (50°F) | 0.19" |
| 1991 | 16°C (60°F) | 11°C (52°F) | 0" |
| 1990 | 16°C (60°F) | 7°C (44°F) | 0" |
| 1989 | 20°C (68°F) | 13°C (55°F) | 0" |
| 1988 | 18°C (64°F) | 14°C (57°F) | 0.02" |
| 1987 | 14°C (58°F) | 6°C (43°F) | 0" |
| 1986 | 17°C (62°F) | 9°C (48°F) | 0" |
| 1985 | 22°C (72°F) | 12°C (54°F) | 0" |
| 1984 | 17°C (62°F) | 6°C (43°F) | 0" |
| 1983 | 24°C (75°F) | 10°C (50°F) | 0" |
| 1982 | 17°C (62°F) | 13°C (55°F) | 0.15" |
| 1981 | 14°C (57°F) | 10°C (50°F) | 1.1" |
| 1980 | 19°C (67°F) | 10°C (50°F) | 0" |
| 1979 | 19°C (66°F) | 8°C (46°F) | 0" |
| 1978 | 18°C (64°F) | 13°C (56°F) | 0" |
| 1977 | 18°C (64°F) | 12°C (53°F) | 0.1" |
| 1976 | 21°C (70°F) | 14°C (57°F) | 0.42" |
| 1975 | 15°C (59°F) | 10°C (50°F) | 2.4" |
| 1974 | 15°C (59°F) | 7°C (44°F) | 0.42" |
| 1973 | 14°C (58°F) | 9°C (49°F) | 0" |
| 1972 | 11°C (52°F) | 7°C (45°F) | 0" |
| 1971 | 19°C (66°F) | 13°C (55°F) | 0.09" |