September 2017 not following the fine, settled trend of recent years

Written by on September 6, 2017 in Rest of Europe, Summer 2017, United Kingdom & Ireland with 0 Comments

May and September can often be the UK’s best months for dry, settled and sunny weather and the more recent Septembers (& Mays) have proved just that. However September 2017 has gotten off to a rather changeable note and going by forecast models, there doesn’t appear to be much early autumn sun and warmth through at least mid month.

In today’s post I want to look back at the weather and significance of recent Septembers for the UK.

September 2013 was slightly warmer and drier than normal

A hot start to September 2013 with 30.2C recorded in Writtle, Essex and Frittenden, Kent was followed by a stormy period mid month followed by more fine, dry and settled conditions through the second half of the month.

Credit: Met Office

Credit: Met Office

September 2014 was 4th warmest and was the driest on record for UK.

With many parts of the UK recording less than 20% of rainfall and an overall UK average of just 23% September 2014 was the UK’s driest on record. This month marginally surpassed 1959 and was also the driest calendar month for the UK since 1995.

Credit: Met Office

Credit: Met Office

September 2015 was cool but settled with high pressure dominant

September 2016 was warmest on record.

Though somewhat changeable, surges of hot, humid air drove the average temperature to the warmest on record for the UK. A reading of 34.4C recorded in Gravesend, Kent was the hottest September day for the UK since 1911.

Credit: Met Office

So, what about September 2017?

September 2017 has opened unsettled but with a NW to SE divide in temperature. The Atlantic will reinforce it’s dominance to end this week as the first deep lows of autumn arrive early.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

The longer term trend remains much the same although easing some with no sign of anything truly settled.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Cool remains the theme.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Credit: Tropical Tidbits

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