In message , Paul Hyett
writes

All of those three fall within the range that I've extracted old
Cheltenham records for.

Between 1898 & 1911, there were 5 Sep days over 30F

Or possibly - over 30°C!

32.6C 8/9/11
32.4C 1/9/06
32.3C 2/9/06
30.9C 7/9/11
30.0C 8/9/98
--
Paul Hyett, Cheltenham (change 'invalid83261' to 'blueyonder' to email me)