September was UK’s joint-fourth warmest since records began

People walk on Cullercoats Beach in North Tyneside at sunrise on September 27 2026, during a month that ranked as the joint-fourth warmest for the UK on record (Owen Humphreys/PA) - (PA Wire)

Last month was the joint-fourth warmest September in the UK since records began, according to provisional data from the Met Office.

The mean average temperature across the month was 14.6C, slightly below the all-time high for September of 15.2C set in 2023 and 2006.