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Graham Easterling
Oct 1, 2023, 1:36:15 PM10/1/23
to Weather and Climate
SEPTEMBER 2023 in Penzance
A quite remarkable first 11 days. A spell which resulted in September being the warmest on record. The rest of the month was very unsettled, but still generally on the mild side. September ended up the = warmest month of the year with June.
The 9th was the warmest day of the year, the latest recorded date for this.
A thunderstorm moving north around noon on 17th gave a number of rumbles & one close flash.
All Variations from the 1991-2020 Norm
TEMPERATURE
Absolute Maximum: 25.5C - 9th
Absolute Minimum: 7.7C - 23rd
Warmest Night: 19.2C - 5th. (A record warm)
Mean Maximum: 20.1C (+1.5)
Mean Minimum: 14.4C (+2.4)
Mean: 17.3C (+2.0)
RAINFALL
Total Rainfall: 91.2mm (102%)
Wettest Day: 12.8mm - 23rd
Rain Days: 18
Wet Days: 12
Days with:-
Fog @ 09:00: 1
Thunder: 2
Hail: 0
WIND
Gales: 0
Strongest Gust: 31mph - 27th
Graham
Penzance
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