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Saint Martins Weather in September
September in Saint Martins brings pleasant temperatures around 19°C (66°F) during the day, dropping to 11°C (52°F) at night, with quite a bit of rainfall expected, averaging around 112 mm (4.4 in) for the month.
Rainfall in Saint Martins in September
Rain is expected on roughly 10 days, totalling around 112 mm (4.4 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Saint Martins in September
September in Saint Martins sees highs of 19°C (66°F) and lows of 11°C (52°F) overnight. The summer season is characteristic of September. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Saint Martins.
Saint Martins Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
19°C (66°F)
Chance of Rain
34%
Precipitation
112 mm (4.4 in)
Rainy days
10 days
Saint Martins Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Martins - 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 Saint Martins 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. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Saint Martins in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Saint Martins 3-Day Forecast
More climate data for Saint Martins
See the full Saint Martins 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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