New Bedford weather in September: New Bedford, Massachusetts: normal highs, lows, rain and records for September
New Bedford in September has a normal high of 74°F and a normal low of 52°F, a daily mean of 63°F, falling from 79°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 12 days in a normal September, 3.64 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 11°C, 92 mm of precipitation in September.
- NOAA stationNew Bedford Municipal Airport
- Station IDUSW00094726
- Location41.68°N 70.96°W
- Elevation80 ft (24 m)
- From the center1 miles
- Population101,318
- Jan 39° 21°
- Feb 41° 22°
- Mar 47° 28°
- Apr 57° 36°
- May 67° 46°
- Jun 76° 55°
- Jul 83° 62°
- Aug 81° 60°
- Sep 74° 52°
- Oct 64° 42°
- Nov 54° 33°
- Dec 44° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is New Bedford in September?
The normal high is 74°F and the normal low 52°F, for a daily mean of 63.2°F. September is 7.4°F cooler than August and 10.6°F warmer than October. September is the 4th warmest month of the year in New Bedford and the 8th wettest. Across the month the normal high falls 10°F, from 79°F on September 1 to 69°F on September 30. From one year to the next September's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 61°F and 65°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 79°F | 57°F | 38% | 17% |
| September 8 | 77°F | 55°F | 38% | 18% |
| September 15 | 74°F | 53°F | 39% | 18% |
| September 22 | 72°F | 50°F | 40% | 20% |
| September 30 | 69°F | 47°F | 42% | 21% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 79°F | 57°F | 38% | 17% | 13 h 10 min |
| September 2 | 78°F | 57°F | 38% | 17% | 13 h 10 min |
| September 3 | 78°F | 56°F | 38% | 17% | 13 h 10 min |
| September 4 | 78°F | 56°F | 38% | 17% | 13 h |
| September 5 | 77°F | 56°F | 38% | 17% | 13 h |
| September 6 | 77°F | 56°F | 38% | 17% | 13 h |
| September 7 | 77°F | 55°F | 38% | 17% | 12 h 50 min |
| September 8 | 77°F | 55°F | 38% | 18% | 12 h 50 min |
| September 9 | 76°F | 55°F | 38% | 18% | 12 h 50 min |
| September 10 | 76°F | 54°F | 38% | 18% | 12 h 50 min |
| September 11 | 76°F | 54°F | 38% | 18% | 12 h 40 min |
| September 12 | 75°F | 54°F | 38% | 18% | 12 h 40 min |
| September 13 | 75°F | 53°F | 39% | 18% | 12 h 40 min |
| September 14 | 75°F | 53°F | 39% | 18% | 12 h 40 min |
| September 15 | 74°F | 53°F | 39% | 18% | 12 h 30 min |
| September 16 | 74°F | 52°F | 39% | 18% | 12 h 30 min |
| September 17 | 74°F | 52°F | 39% | 19% | 12 h 30 min |
| September 18 | 73°F | 52°F | 40% | 19% | 12 h 20 min |
| September 19 | 73°F | 51°F | 40% | 19% | 12 h 20 min |
| September 20 | 73°F | 51°F | 40% | 19% | 12 h 20 min |
| September 21 | 72°F | 51°F | 40% | 19% | 12 h 20 min |
| September 22 | 72°F | 50°F | 40% | 20% | 12 h 10 min |
| September 23 | 72°F | 50°F | 41% | 20% | 12 h 10 min |
| September 24 | 71°F | 50°F | 41% | 20% | 12 h 10 min |
| September 25 | 71°F | 49°F | 41% | 20% | 12 h 10 min |
| September 26 | 70°F | 49°F | 41% | 20% | 12 h |
| September 27 | 70°F | 48°F | 41% | 21% | 12 h |
| September 28 | 70°F | 48°F | 42% | 21% | 12 h |
| September 29 | 69°F | 48°F | 42% | 21% | 11 h 50 min |
| September 30 | 69°F | 47°F | 42% | 21% | 11 h 50 min |
- Normal high
- 74°FSeptember average
- Normal low
- 52°FSeptember average
- Precipitation
- 3.64 inmonth total
- Days with precipitation
- 120.01 inch or more
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 23
- Days at 80°F or more
- 6
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094726; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in New Bedford in September?
On a given September day the chance of 0.01 inch or more is 39% on average, highest around September 30 (42%). In all, 3.64 in falls on 12 days of a normal September, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094726.
What are the records for September in New Bedford?
The warmest September temperature on this station's record (since 1996) is 94°F, on September 1, 2010; the coldest is 32°F, on September 21, 2020. The wettest September brought 10.54 in (2021).
The September mean against the 1991-2020 normal of 63.2°F: 2021 67.0°F (+3.8), 2022 63.9°F (+0.7), 2023 66.6°F (+3.4), 2024 64.0°F (+0.8), 2026 62.7°F (−0.5). 4 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 67.0°F | +3.8°F | 10.54 in |
| 2022 | 63.9°F | +0.7°F | 4.89 in |
| 2023 | 66.6°F | +3.4°F | 6.13 in |
| 2024 | 64.0°F | +0.8°F | 3.46 in |
| 2026 | 62.7°F | −0.5°F | 9.47 in |
Source: records: ACIS, station USW00094726; recent months: ACIS, station USW00094726. Records and recent months use complete months only.
How does September in New Bedford compare across Massachusetts?
Across the 35 places PlainClimate covers in Massachusetts, September normal highs run from 70°F in East Sandwich to 78°F in Maynard; New Bedford's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- New Bedford in August81°F by day, 60°F at night
- New Bedford in October64°F by day, 42°F at night
- New Bedford through the yearEvery month, frost dates, records and recent years
- Massachusetts in SeptemberThe statewide normal and the warmest and coolest places
- Maynard: Massachusetts's warmest Septembernormal high 78°F