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London Weather in September
United Kingdom · early fall in Northern Hemisphere
Avg High
66°F
19°C
Avg Low
54°F
12°C
Rainfall
1.9 in (48mm)
Sunshine
5.5 hrs/day
What to Expect
Warm September. Crowds thin. Perfect for walking and parks.
Current Weather in London Right Now

57°F
Broken Clouds
Feels like 55°F · H 58°F / L 56°F
Is September a Good Time to Visit London?
London's weather is famously mild but grey. It rarely gets very hot or very cold, but expect cloud cover most of the year. Summer (June–August) brings the best sunshine and warmth. Rain falls year-round but rarely in heavy bursts.
✓ Best months:June, July, August, September
What to Pack for London in September
- ✓Waterproof jacket every season
- ✓Compact umbrella
- ✓Layers — London's microclimates vary by neighborhood
- ✓Comfortable walking shoes