New Bedford, MA weather in September
New Bedford is mild in September, with frequent rain: highs average 74°F and nights drop to about 52°F. There are about 12 days with rain. A great month for outdoor plans.
- Normal high
- 74°F
- Normal low
- 52°F
- Wet days
- 12
- 3.6 in total
- Daylight
- 12.5 h
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 79°F | 69°F |
| Normal low | 57°F | 47°F |
| Chance of a wet day | 38% | 41% |
| Sunrise / sunset | 6:09 am / 7:17 pm | 6:39 am / 6:27 pm |
| Daylight | 13.1 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am58°Fdew point 55°F
- 9 am67°Fdew point 57°F
- Noon71°Fdew point 56°F
- 3 pm71°Fdew point 56°F
- 6 pm65°Fdew point 57°F
- 9 pm60°Fdew point 56°F
NOAA hourly normals (local standard time) from Plymouth Muni Airport (22 mi away); average wind 7 mph; clear or few clouds in 32% of daytime hours, mostly cloudy or overcast in 48%.
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)23 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain (temperature and rain only)6 of 30
- Hot dayshigh 90°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow12 of 30
- Notable rainat least 0.10 in6 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.6 in; a dry September brings about 2.4 in and a wet one about 5.1 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202015: average high 78°F
- Coolest September1996: average high 70°F
- Wettest September2008: 8.8 in
- Driest September2020: 0.4 in
- Highest reading94°F (September 9, 2016)
- Lowest reading32°F (September 21, 2020)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 81°F | 74°F | 64°F |
| Normal low | 60°F | 52°F | 42°F |
| Wet days | 13 | 12 | 13 |
| Comfortable days | 14 | 23 | 14 |
| Daylight | 13.8 h | 12.5 h | 11.1 h |
Highs change by -7°F from August and -10°F into October.
Nearby alternatives in September
- Drier: Bridgeport, CT122 mi · high 75°F · 8 wet days
- Cooler: Lake Placid, NY239 mi · high 66°F · 12 wet days
How New Bedford ranks in September
- Normal high300th warmest of 378 cities; 5th of 9 in Massachusetts
- Wet days342nd driest of 378
What to pack for New Bedford in September
- A rain jacket or umbrella – rain on about 12 days
Heating and cooling
September has 113 heating degree days and 59 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is New Bedford in September?
The normal high is 74°F and the normal low is 52°F. From 1991 to 2020 the hottest September reading was 94°F (most recently on September 9, 2016).
Does it rain a lot in New Bedford in September?
About 12 days in September have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest September in 1991-2020 was in 2008 (8.8 in); the driest was in 2020 (0.4 in).
Is September a good time to visit New Bedford?
September ranks 1st of 12 months on our comfort score for New Bedford (80 out of 100). It has about 23 comfortable days (judged by temperature only). The best months are June and September.
Where the numbers come from
- Temperature, rain and frost dates: New Bedford Muni Airport (USW00094726), 3.0 mi NNW of the city center, 80 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: E Wareham (USC00192451), 16 mi ENE of the city center, 30 ft (69 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Plymouth Muni Airport (USW00054769), 22 mi NNE of the city center, 149 ft (50 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Cloud cover: Boston Logan Intl Airport (USW00014739), 50 mi N of the city center, 12 ft (87 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: daily humidity and wind (no station close enough or similar enough in elevation).