September in New Bedford averages a daily high of 23.5°C with nights around 12°C. Expect roughly 11.5 wet days totalling 100.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit New Bedford is May–September.
Based on NEW BEDFORD MUNICIPAL AIRPORT, MA US (5.6km), 1995–2024. 28 years of September data.