September was warmer and drier than the 30-year climate norm, the MIA met office said on Monday.

In a review of summer weather, the Met Office said air temperatures for the season varied between a lowest of 18.1˚C recorded in September and a highest of 35.7˚C recorded in July. Each month enjoying the sun for an average of 305.5 hours. While July was the brightest summer month, September was the dullest.

Last month was also duller than the climate norm, falling 30.6 sunshine hours short of the quota for this time of year. A heavier-than-usual mean cloud cover of 3.3 oktas could partly explain this shortage, the office said.

Rain too was in short supply in September, with the month producing a mere 4.1 mm of precipitation as opposed to the norm of 58.1 mm. However, last month was still wetter than September 1943, which was the driest September ever with no rain whatsoever.

Precipitation for the whole summer amounted to 70 mm, with around 76% of this total being collected in August, making it summer’s wettest month.

Throughout summer, thunder was heard on 10 days. Two of these thunder occurrences were observed in June, three in September, and five were observed in August. Despite the rain and the thunder, August was the calmest summer month, with the wind speed averaging at 6.9 knots. On the other hand, the windiest month was June, with wind speed blowing up to an average of 9.4 knots.

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