The highest day temperature in September 2024 was 86°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 74.2°F и 60.5°F respectivly.

The average sea surface temperature in September 2024 for Rochester was 71.3°F. The maximum and minimum values were 67.4°F and 73.6°F respectively.

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

Precipitation total in September for Rochester is 0.9 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 7.6 mph. It makes September one of the most windless months of the year for Rochester.

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 Rochester in September is 7.4 hours.