Cleveland weather in September

Cleveland's forum rates the June-through-September stretch as the city's best weather window, with the most events and warmest days. Regulars note the season doesn't end abruptly — October still gets good reviews too — but by September evenings are cool enough to want a layer.

Regulars are direct that this month is genuinely unpredictable end to end, early October capable of being very nice while the tail end of the month can turn freezing and even see snow. Our row backs the cooling, still-wet read, 18.4C over 10.7C nights feeling 8C, with 89.3mm of rain across 10.8 days and a trace of that early snow, 0.1cm. Regulars note big weekends here, like the Rock and Roll Hall of Fame induction ceremony, draw real crowds on top of the usual visitors, so checking the calendar before booking is worth it beyond just weather. Staying in the suburbs is the standard advice for easier parking and availability during a busy weekend. The record: humidity 73 percent, 7.7 hours of sun, a 22.1 kph wind and AQI 35.

Regulars planning a day at Cedar Point or similar outdoor attractions build in a buffer for the afternoon specifically, since a thunderstorm rolling through between roughly 2 and 6pm is common enough to plan around rather than treat as bad luck. Our row backs the warm, humid read, 27.1C reading as a real 29C at 76.9 percent humidity, over 20.1C nights, with 84.5mm of rain across 8.5 days. Regulars describe these storms as usually brief and intense rather than an all-day washout, so a delayed start or a covered break tends to be enough to ride one out. The record: 11.6 hours of sun, a 16.8 kph wind and AQI 55.

Regulars place May on the good side of the local rain calendar: the torrential months here are February through April, and May and June are not the worst, though an afternoon thunderstorm should not surprise anyone. Late May runs in the sixties and low seventies - our row reads 20.3C over 12.2C - and they call it somewhat humid, which our 75 percent supports. The advice is layers and, more than anything else, waterproof shoes or a raincoat as the single most useful item. Our 89.2mm falls across 9.8 days. The lake-effect snow this city is known for belongs to winter, not to now. The record: 10.6 hours of sun, a 20 kph wind and AQI 56.

Early June in Cleveland is pleasant and humid, with highs regulars put in the high 60s to mid 70s Fahrenheit - our row's 25.3C reads as 27C once the 74 percent humidity is counted - and their standing caution is to have a plan for a wet and dreary day, because the month produces them. Our row gives 7.5 precipitation days carrying 64.6mm. The lake is what June is for here, and the names they hand over are Edgewater and Huntington Beach for the city end, Headlands further east, with Lakewood Park and Bradstreet's Landing for the view rather than the swim. The lake is still cold in June whatever the air does. The record: 17.9C nights, 12.1 hours of sun, a 18.9 kph wind and AQI 70.