30.1C at Northolt so far today. This is the 7th time in the last 50 years we've seen 30ºC in September. We are seeing an increased frequency of years (1973, 1999, 2006, 2013, 2016, 2020 & 2021) where the UK is recording 30C+ in September.

— Manali Lukha (@manalilukha) September 7, 2021