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Second-sunniest September on record

Rainfall much lower than average

With 190 hours logged, the Met Office says last month was the second sunniest September on record, behind 1991 which had 197 hours. 

The fine conditions later in the month were perfect for viewing the ‘supermoon’ and eclipse, but more importantly, the related spring tides were suppressed by the high pressure, preventing what could easily have been a severe flood event in more typical autumn weather.

 

Rainfall was about 40% lower than the long-term mean for the month, with the wettest day being the 12th, when 15.3mm recorded.

 

Despite the fair weather, temperatures were still slightly below normal.

 

The 11th was the warmest, with 18.2°C recorded at Ronaldsway.

 

The average wind speed over the month was 10.7 knots; about 0.5 below the long-term mean for September.

 

The 12th was the windiest, with a gust of up to to 35 knots.

 

There was no hail, thunder, fog or gales recorded at Ronaldsway.

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