London weather: Overcast skies and moderate temperatures to start September

London residents can expect overcast skies and moderate temperatures to begin September, with a 20% chance of rain and high humidity, before a shift to sunny and warmer conditions for the remainder of the week and into the weekend.Today's WeatherToday, September 4, 2026, London will experience overcast skies with a high of 22°C and a low of 13°C, averaging 17.5°C. The humidity will be around 87%, and wind speeds are expected to be moderate, reaching a maximum of 53.11 kph."While the chance of rain is low at 20%, the humidity will be relatively high at 87%, making the air feel damp."Residents should prepare for a mild but potentially damp day due to the overcast conditions and high humidity. While significant rainfall is not anticipated, the higher humidity might make the air feel cooler than the actual temperature. Carrying an umbrella is advisable as a precaution, though the chances of needing it are slim. Moderate wind speeds are not expected to cause any significant disruption.Looking AheadLooking ahead, the weather in London is set to improve significantly after today. Tomorrow, September 5, will see a shift to sunny skies with temperatures rising to a high of 24°C and a low of 14°C. This sunny trend is expected to continue through the weekend. Saturday, September 6, is forecast to be even warmer, reaching a high of 26°C and a low of 18°C. Sunday, September 7, will remain pleasant with sunny intervals and a high of 25°C. The early part of the following week will see a slight dip in temperatures. Monday, September 8, will experience highs of 20°C and lows of 12°C, before returning to partly cloudy conditions with temperatures in the high teens for Tuesday and Wednesday.Catch the latest World News and Live updates. Download the TOI app.