Weather on September 17 in London

Historical weather data for September 17 in London, United Kingdom

Avg High18°C (65°F)
Avg Low11°C (51°F)
Warmest198220°C
Coldest19729°C

Based on 55 years of data from HAMPSTEAD

About This Date

September 17th 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 17th was in 1982 (20°C average), while the coldest was 1972 (9°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 36% of September 17th dates historically, with the wettest September 17th recording 0.89" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.

Planning for September 17th in London? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202521°C (70°F)11°C (51°F)0"
202422°C (71°F)10°C (50°F)0"
202323°C (74°F)--0"
202218°C (64°F)6°C (43°F)0"
202122°C (72°F)--0"
2020--13°C (55°F)0"
2019--9°C (49°F)0.08"
201822°C (72°F)16°C (60°F)0"
201716°C (60°F)7°C (45°F)0.16"
2016--13°C (55°F)0.89"
201518°C (64°F)8°C (47°F)0"
201425°C (77°F)15°C (59°F)0"
201316°C (60°F)7°C (44°F)0.64"
201217°C (63°F)13°C (55°F)0"
201116°C (60°F)13°C (55°F)0.12"
201017°C (62°F)7°C (44°F)0"
200919°C (66°F)11°C (51°F)0"
200818°C (65°F)11°C (51°F)0"
200717°C (62°F)12°C (53°F)0"
200623°C (74°F)16°C (61°F)0"
200517°C (62°F)5°C (41°F)0"
200421°C (69°F)13°C (55°F)0.15"
200321°C (70°F)12°C (54°F)0"
200217°C (62°F)11°C (51°F)0"
200114°C (57°F)7°C (44°F)0.16"
200016°C (60°F)11°C (51°F)0"
199918°C (64°F)11°C (51°F)0.03"
199819°C (67°F)7°C (45°F)0.05"
199724°C (75°F)13°C (56°F)0.04"
199614°C (58°F)11°C (51°F)--
199519°C (66°F)12°C (54°F)0.15"
199413°C (56°F)6°C (42°F)0"
199317°C (62°F)10°C (50°F)0"
199218°C (65°F)9°C (48°F)0.17"
199118°C (65°F)11°C (51°F)0"
199021°C (69°F)11°C (51°F)0.22"
198922°C (72°F)17°C (62°F)0"
198818°C (64°F)13°C (55°F)0"
198721°C (70°F)14°C (58°F)0.25"
198615°C (59°F)7°C (44°F)0"
198519°C (67°F)12°C (53°F)0"
198416°C (61°F)13°C (55°F)0.81"
198316°C (61°F)11°C (51°F)0.52"
198227°C (80°F)13°C (56°F)0"
198118°C (65°F)13°C (55°F)0.31"
198017°C (63°F)11°C (51°F)0"
197918°C (64°F)9°C (49°F)0"
197818°C (64°F)12°C (53°F)0"
197713°C (56°F)7°C (44°F)0"
197619°C (66°F)8°C (47°F)0"
197519°C (67°F)8°C (46°F)0.12"
197416°C (61°F)11°C (51°F)0"
197318°C (65°F)16°C (60°F)0.37"
197212°C (54°F)7°C (45°F)0.01"
197121°C (69°F)8°C (47°F)0"

Popular Dates in London

September 17 in Other United Kingdom Cities

Browse by Country

Explore More Dates

See historical weather for other dates in London

Back to London