Weather in Les Iles-de-la-Madeleine: September
| Average day temperature: | 59.9°F | |
| Average night temperature: | 59.2°F | |
| Sea water temperature: | 61.7°F | |
| Number of sunny days: | 10 days | |
| Day length: | 11.7 - 13.4 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 1.2 in. | |
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forecast
| Les Iles-de-la-Madeleine |
temperature
| Les Iles-de-la-Madeleine |
Air temperature in September, °F
The highest day temperature during September of 2025 was 68°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during September were 61.2°F and 58.5°F.
Sea water temperature in Les Iles-de-la-Madeleine in September, °F
The average sea water temperature in September of 2025 was 63.3°F. The highest and lowest sea temperatures during the month were 66.9°F and 59.4°F.
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Les Iles-de-la-Madeleine in September is 1.2 in. Other months of the year show relatively similar values.
The average wind speed value in September is 17.0 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.4.
Best time for vacation in Les Iles-de-la-Madeleine
Les Iles-de-la-Madeleine on a weather map

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