The highest day temperature in September 2023 was 91°F. The lowest night temperature was 46°F. The average values for day and night temperatures during September were 70.2°F и 57.8°F respectivly.

The average sea surface temperature in September 2023 for Marquette was 62.4°F. The maximum and minimum values were 59.2°F and 69.4°F respectively.

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in September for Marquette is 1.0 in.

The average wind speed in September is 9.8 mph.

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 Marquette in September is 7.3 hours.