Weather on September 16 in London
Historical weather data for September 16 in London, United Kingdom
Based on 55 years of data from HAMPSTEAD
About This Date
September 16th 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 16th was in 2023 (21°C average), while the coldest was 1986 (9°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 36% of September 16th dates historically, with the wettest September 16th recording 2.76" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for September 16th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 19°C (66°F) | 11°C (52°F) | 5 mm |
| 2024 | 21°C (69°F) | -- | 1 mm |
| 2023 | 27°C (81°F) | 14°C (57°F) | 0 mm |
| 2022 | 18°C (64°F) | -- | 0 mm |
| 2021 | 24°C (75°F) | 11°C (52°F) | 0 mm |
| 2020 | 20°C (68°F) | 16°C (61°F) | 0 mm |
| 2019 | 18°C (64°F) | 14°C (58°F) | 0 mm |
| 2018 | 24°C (76°F) | 12°C (53°F) | 0 mm |
| 2017 | 16°C (61°F) | 7°C (44°F) | 16 mm |
| 2016 | 14°C (58°F) | 14°C (58°F) | 11 mm |
| 2015 | 17°C (63°F) | 10°C (50°F) | 70 mm |
| 2014 | 20°C (68°F) | 13°C (56°F) | 0 mm |
| 2013 | 13°C (55°F) | 7°C (44°F) | 4 mm |
| 2012 | 18°C (65°F) | 12°C (53°F) | 0 mm |
| 2011 | 18°C (64°F) | 12°C (53°F) | 0 mm |
| 2010 | 16°C (60°F) | 11°C (51°F) | 0 mm |
| 2009 | 16°C (60°F) | 12°C (54°F) | 0 mm |
| 2008 | 14°C (58°F) | 9°C (48°F) | 0 mm |
| 2007 | 20°C (68°F) | 9°C (49°F) | 0 mm |
| 2006 | 21°C (70°F) | 16°C (60°F) | 0 mm |
| 2005 | 16°C (61°F) | 9°C (49°F) | 0 mm |
| 2004 | 19°C (66°F) | 7°C (44°F) | 0 mm |
| 2003 | 27°C (81°F) | 12°C (54°F) | 0 mm |
| 2002 | 18°C (64°F) | 10°C (50°F) | 0 mm |
| 2001 | 13°C (55°F) | 8°C (47°F) | 1 mm |
| 2000 | 18°C (65°F) | 11°C (52°F) | 0 mm |
| 1999 | 19°C (66°F) | 9°C (49°F) | 30 mm |
| 1998 | 17°C (63°F) | 10°C (50°F) | 0 mm |
| 1997 | 21°C (69°F) | 10°C (50°F) | 0 mm |
| 1996 | 18°C (65°F) | 11°C (51°F) | -- |
| 1995 | 18°C (64°F) | 12°C (54°F) | 19 mm |
| 1994 | 14°C (57°F) | 8°C (46°F) | 0 mm |
| 1993 | 16°C (60°F) | 9°C (49°F) | 11 mm |
| 1992 | 21°C (69°F) | 9°C (49°F) | 0 mm |
| 1991 | 21°C (69°F) | 13°C (55°F) | 11 mm |
| 1990 | 14°C (57°F) | 9°C (49°F) | 0 mm |
| 1989 | 19°C (67°F) | 16°C (60°F) | 3 mm |
| 1988 | 17°C (62°F) | 9°C (49°F) | 0 mm |
| 1987 | 24°C (76°F) | 13°C (56°F) | 2 mm |
| 1986 | 12°C (54°F) | 6°C (43°F) | 0 mm |
| 1985 | 21°C (69°F) | 8°C (47°F) | 0 mm |
| 1984 | 16°C (61°F) | 13°C (55°F) | 0 mm |
| 1983 | 17°C (62°F) | 11°C (52°F) | 0 mm |
| 1982 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 1981 | 18°C (65°F) | 14°C (57°F) | 3 mm |
| 1980 | 17°C (63°F) | 13°C (56°F) | 27 mm |
| 1979 | 20°C (68°F) | 8°C (47°F) | 0 mm |
| 1978 | 19°C (66°F) | 11°C (51°F) | 0 mm |
| 1977 | 15°C (59°F) | 9°C (48°F) | 0 mm |
| 1976 | 17°C (62°F) | 9°C (48°F) | 0 mm |
| 1975 | 18°C (65°F) | 6°C (42°F) | 15 mm |
| 1974 | 18°C (64°F) | 12°C (54°F) | 0 mm |
| 1973 | 19°C (66°F) | 16°C (60°F) | 1 mm |
| 1972 | 13°C (56°F) | 7°C (45°F) | 0 mm |
| 1971 | 19°C (67°F) | 9°C (48°F) | 0 mm |