After England’s Coolest August Max Since 1986, First UK Back-to-back September 30s Since 1899?

Written by on September 6, 2021 in Rest of Europe, United Kingdom & Ireland with 0 Comments

On the heels of England’s coolest August maximum since 1986 (26.4C), our eyes will be watching the thermometer over the next few days as temperatures are expected to push 30C for the first time since July.

What’s bringing the heat all of a sudden? Blame a shift in the same high which has dominated in a solid 2 weeks now. It’s slide east of the UK and with the help of low pressure deepening over the Bay of Biscay, hot, humid air over the continent is being drawn off France and into the UK.


While 30C isn’t all that unusual in September, a 30C this year along with 30.1C recorded last year would be. In fact it would be the UK’s first back to back September 30s since this was last achieved back in 1898-1899.

As you can see from the above tweet, 34.4C was reached back in 2016. This was the UK’s highest September temperature since 1912. We’re unlikely to approach that.

Highs today should peak at around 27-28C, tying or possibly exceeding the UK’s August maximum of 27.2C recorded at Tyndrum, Stirlingshire.


The very warmest days should come Tuesday-Wednesday where somewhere if not a few locales between Birmingham and London may top 30C.


The mid-summer warmth spreads north over Scotland Wednesday where somewhere could top 26C, with outside chance at 27C. This will be Scotland’s warmest September weather since at least 2016.


Wednesday should host another shot at 30C south of the border.


No risk of any national September heat records falling. England’s record is 35.6C and Scotland’s is 32.2C!

Beyond Wednesday, low pressure spinning over the Bay of Biscay will lift north into the warm, humid air forcing the widespread development of lively showers and thunderstorms.


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