The highest day temperature in September 2026 was 99°F. The lowest night temperature was 60°F. The average values for day and night temperatures during September were 80.0°F и 70.7°F respectivly.

The average sea surface temperature in September 2026 for Saint Michaels was 80.2°F. The maximum and minimum values were 69.8°F and 85.8°F respectively.

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation total in September for Saint Michaels is 1.1 in.

The average wind speed in September is 9.4 mph. It makes September one of the most windless months of the year for Saint Michaels.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Saint Michaels in September is 7.3 hours.