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Mayne Island Weather in September
Mayne Island in September averages 18°C (64°F) during the day and 13°C (55°F) at night. This is part of the summer season. Some rainfall is to be expected.
Rainfall in Mayne Island in September
Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 58 mm (2.3 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Mayne Island in September
In September, expect pleasant temperatures in Mayne Island, with highs of 18°C (64°F) and lows of 13°C (55°F) at night. September marks the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Mayne Island in September
There are approximately 202 hours of sunshine this month, resulting in mostly clear days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Mayne Island.
Mayne Island Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
18°C (64°F)
Chance of Rain
30%
Precipitation
58 mm (2.3 in)
Rainy days
9 days
Sunshine
202 hours *
Percentage Sunshine
55% *
* Data from: Friday Harbor, the United States of America (40 KM, 25 Miles).
Mayne Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mayne Island - and find the best time to visit.
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Mayne Island in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Mayne Island in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Mayne Island 3-Day Forecast
More climate data for Mayne Island
See the full Mayne Island climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
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