Cool, wet start to the week but summer isn't over yet

This week begins with rain and a decidedly autumnal 7 C but we’ll be basking in September sunshine with summery highs again soon.
Monday’s forecast is for increasing cloudiness, easterly winds at 20 km/h near noon and a high of just 15 C.
A typical high for this time of year is 20 C.
That old ditty “red skies in the morning, sailor’s warning,” likely twigged early risers to periods of rain beginning by early afternoon. They’ll end overnight although there