As summer transitions into fall, the weather in September becomes cooler and more unpredictable. Swimming and sunbathing are still possible on warmer days, but the water temperature begins to drop. Snorkeling, diving, and water sports like windsurfing and kitesurfing remain popular. Also consider one of our other suggestions for September.
In September, the crowds at Georgian Bay and the Bruce Peninsula beaches begin to decrease as the summer season comes to an end. The Labour Day long weekend may still attract visitors, but overall, the beaches are less crowded than in August.
The average maximum temperature in Georgian Bay in September is 19°. The average maximum temperature is 21° in the previous month and 14° in the next month.
The average temperature in Georgian Bay in September is 17°. The average temperature ranges is 19° in the previous month and 12° in the next month.
The average minimum temperature in Georgian Bay in September is 16°. The minimum temperature is 17° in the previous month and 11° in the next month.
The average day light hours per day in Georgian Bay in September are 12.6 and there are 5.9 hours of sunshine per day on average during September making it a sunny month that is overcast at times.
The ultraviolet index in Georgian Bay in September is typically 5.7 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Georgian Bay in September is 19.1° which is comfortable for swimming though some may prefer warmer water.
The average maximum wind speed in Georgian Bay in September is typically 27kmh. The average maximum wind speed is 26kmh in the previous month and 34kmh in the next month.
The average wind speed in Georgian Bay in September is typically 17kmh. The average wind speed is 15kmh in the previous month and 22kmh in the next month.
The average wind direction in Georgian Bay in September is from the West-Southwest.
