The highest day temperature in September 2026 was 90°F. The lowest night temperature was 50°F. The average values for day and night temperatures during September were 73.1°F и 60.1°F respectivly.

The average sea surface temperature in September 2026 for New Bedford was 72.1°F. The maximum and minimum values were 64.8°F and 76.6°F respectively.

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

Precipitation total in September for New Bedford is 1.6 in. It makes september the most rainy month of the year.

The average wind speed in September is 8.0 mph. It makes September one of the most windless months of the year for New Bedford.

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 New Bedford in September is 6.7 hours.