Tropical storm activity will ‘significantly affect’ weather across the UK this month, the Met Office warns.
Exeter-based forecasters expect an unsettled final fortnight to September, before more calmer conditions arrive.
Updated long-range forecasts reveal heavy rain could lash parts of the country between September 16-30 after hopes of an Indian Summer appear to be diminishing.
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Temperatures are set to hover around the low 20s for much of the UK today, before temperatures creep towards 25C towards the middle of next week.
The Met Office long-range forecast for September 16-30 states: “Confidence is relatively low during this period, as is usual for September, in part due to tropical storm activity across the Atlantic, which can significantly affect weather at the mid-latitudes.
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“Currently, the evidence points towards the unsettled theme being likely to continue through the middle of the month, with a weak indication of possible drier conditions late in September.
“Therefore, rainfall is expected to be above average at first, with the chance of it easing and trending towards or drier than average later.
“Following this pattern, temperatures are expected to fluctuate around average in the middle of the month, with some occasional warm spells - these more likely in the southeast, and perhaps more widely towards the end of the month.”
There was a July heatwave, with temperatures soaring to as high as 32C at times.
But since then, there has been little warmth for the country - despite the Met Office saying 2021 is one of the ten hottest summers ever.
