Headline: Very Warm Weather Forecast to Return to London in September

Date: 31 August 2026

Tags: Weather, Environment, UK, Climate

Summary:

• The Met Office forecasts very warm conditions returning to London following the wet Bank Holiday weekend.

• London temperatures are expected to reach around 25°C during the middle of this week.

• Warm spells are also forecast across southern Britain during the second half of September.

• Drier conditions are expected in London after the remaining showers clear.

• England and Wales should experience lengthy sunny spells on Tuesday before wetter conditions return further north.

• Around 71.3% of England and all of Wales are currently experiencing drought conditions.

• Reservoir levels have fallen to 62.6%, around 16.3% below seasonal expectations.

• Authorities warn late-August rainfall is unlikely to significantly improve existing water shortages.

• Drought conditions could continue into 2027 without substantially increased autumn rainfall.

• Britain has experienced repeated heatwaves, severe drought conditions and wildfires during summer 2026.

Why this matters: Further warm, dry weather could increase pressure on water supplies, agriculture, wildlife and infrastructure.

What’s next: London will see warmer conditions this week, while longer-term forecasts indicate further warm spells during September.