Weather in Bayfield: September
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Average day temperature: | 66.9°F |
| Average night temperature: | 57.0°F | |
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Sea water temperature: | 62.9°F |
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Number of sunny days: | 14 days |
| Day length: | 11.7 - 13.3 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.3 in. | |
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forecast
| Bayfield |
temperature
| Bayfield |
Air temperature in September, °F
The highest day temperature during September of 2026 was 89°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during September were 69.0°F and 56.8°F.
Sea water temperature in Bayfield in September, °F
The average sea water temperature in September of 2026 was 62.8°F. The highest and lowest sea temperatures during the month were 68.9°F and 57.4°F.
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Bayfield in September is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in September is 7.6 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: 7.4.
Best time for vacation in Bayfield
Bayfield on a weather map
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