Weather in Great Lake Superior, Canada in September

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Visiting Great Lake Superior, Canada in September

September is one of the best months to visit Great Lake Superior for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in September is cooler than the previous month and temperatures continue to drop markedly into October. September has average maximum temperatures of 16°C (62°F) which is a little too chilly for sunbathing. The sunshine percentage is 48% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day.

September has total rainfall of 5.9cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 12.7 days with some rainfall so you can still enjoy the beach on the majority of days.

Sea temperatures are a cold 14°C (57°F). September is too cold for swimming in Great Lake Superior for any length of time, unless you have a wetsuit. The sea temperature in September is slightly warmer than the previous month.

Also consider visiting Great Lake Superior in one of the other best months of June, July, August, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Great Lake Superior in September?

No, September is not a good time for sunbathing in Great Lake Superior.

September has average maximum temperatures of 16°C (62°F) which is a little too chilly for sunbathing. The sunshine percentage is 48% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day. September has total rainfall of 5.9cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 12.7 days with some rainfall so you can still enjoy the beach on the majority of days.

More about September temperature and sunshine.

Can you swim in Great Lake Superior in September?

No, September is too cold for swimming in Great Lake Superior for any length of time, with the sea water at 14°C (57°F), unless you have a wetsuit.

More about September sea temperatures.

Is September a good time to holiday in Great Lake Superior?

Probably not, September is not a good time for a holiday in Great Lake Superior.

September has average maximum temperatures of 16°C (62°F) which is a little too chilly for sunbathing. The sunshine percentage is 48% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day. September has total rainfall of 5.9cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 12.7 days with some rainfall so you can still enjoy the beach on the majority of days. Sea temperatures are a cold 14°C (57°F). September is too cold for swimming in Great Lake Superior for any length of time, unless you have a wetsuit.

More about the September temperatures and sunshine.

Is Great Lake Superior warm in September?

No, Great Lake Superior is a little too chilly for sunbathing in September.

The average maximum temperature in Great Lake Superior in September is 16°C (62°F). The average maximum temperature is 20°C (68°) in the previous month and 10°C (49°F) in the next month.

The average temperature in Great Lake Superior in September is 12°C (54°F). The average temperature is 16°C (61°F) in the previous month and 6°C (43°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Great Lake Superior in September?

The average day light hours per day in Great Lake Superior in September are 12.6. The sunshine percentage is 48% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day.

More about September sunshine.

Temperature in Great Lake Superior in September

The weather in September is cooler than the previous month and temperatures continue to drop markedly into October. The average maximum temperature in Great Lake Superior in September is 16°C (62°F). The average maximum temperature is 20°C (68°F) in the previous month and 10°C (49°F) in the next month.

The average temperature in Great Lake Superior in September is 12°C (54°F). The average temperature is 16°C (61°F) in the previous month and 6°C (43°F) in the next month.

The average minimum temperature in Great Lake Superior in September is 8°C (46°F). The minimum temperature is 12°C (53°F) in the previous month and 3°C (37°F) in the next month.

Sunshine in Great Lake Superior in September

The days in September are shorter than the previous month and days continue to get shorter into October. September shows a significant drop in hours of sunshine than the previous month and hours of sunshine continue to drop quickly into October. During September the average day light hours are 12.6 per day in Great Lake Superior. The sunshine percentage is 48% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day.

The ultraviolet index in Great Lake Superior in September is typically 5.1 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.

Sea Temperature in Great Lake Superior in September

The average sea water temperature in Great Lake Superior in September is 14°C (57.2°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. The sea temperature in September is slightly warmer than the previous month.

Rainfall in Great Lake Superior in September

September weather is marginally wetter than the previous month and rainfall continues to rise slightly into October. September has a couple of more days of rain than the previous month and rainy days continue to rise slightly into October. The average total rainfall in Great Lake Superior in September is 5.9cm (2.3inches) and on average there are 12.7 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Great Lake Superior in September

The maximum dew point (an indicator of humidity) in Great Lake Superior in September is 13°C (55°F) which is very comfortable. The dew point is 16°C (60°F) in the previous month and 7°C (7°F) in the next month.

The average maximum relative humidity in Great Lake Superior in September is typically 97.2%. The maximum relative humidity is 97.3% in the previous month and 96.2% in the next month.

The average relative humidity in Great Lake Superior in September is typically 85.3%. The average relative humidity is 84.3% in the previous month and 84.6% in the next month.

Wind Speed in Great Lake Superior in September

The average maximum wind speed in Great Lake Superior in September is typically 26KM/H (16MPH). The average maximum wind speed is 22KM/H (14MPH) in the previous month and 26KM/H (16MPH) in the next month.

The average wind speed in Great Lake Superior in September is typically 16KM/H (10MPH). The average wind speed is 13KM/H (8MPH) in the previous month and 16KM/H (10MPH) in the next month.

The average wind direction in Great Lake Superior in September is from the South East.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.