The climate in Saint-Jean during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Saint-Jean and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 11°C (52°F) is normal.
Daytime temperature | 21.9°C 71.4°F |
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Nightly temperature | 11.3°C 52.3°F |
Average temperature | 16.6°C 61.9°F |
Daily sunshine | 7 hrs |
Avg rainfall | 56 mm 2.2 ins |
Rainy days | 11 days |
Sea temperature | 18.3°C 64.9°F |
Humidity | 80% |
Windspeed | 13.7kph 9 mph |
On average September is the 5th driest month of the year in Saint-Jean with around 56mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint-Jean in September 2024.
Best places to visit in September
Hottest month: | July | 24.4°C 75.9°F |
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Driest month: | July | 44mm 1.7ins |
Sunniest month: | July | 9.4hrs |
Coldest month: | January | 7.4°C 45.3°F |
Wettest month: | November | 77mm 3ins |