The highest day temperature in September 2024 was 86°F. The lowest night temperature was 59°F. The average values for day and night temperatures during September were 77.3°F и 68.6°F respectivly.

The average sea surface temperature in September 2024 for Annapolis was 77.6°F. The maximum and minimum values were 74.6°F and 82.0°F respectively.

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

Precipitation total in September for Annapolis is 1.2 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 7.9 mph. It makes September one of the most windless months of the year for Annapolis.

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 Annapolis in September is 7.6 hours.