Rhode Island weather in September: Statewide normals and every place, NOAA 1991-2020
In September, Rhode Island's statewide normal high is 74°F and normal low 54°F; normal highs run from 72°F in Newport to 77°F in Tiverton (NOAA 1991-2020 normals).
- Statewide normal high
- 74°FSeptember, 1991-2020
- Statewide normal low
- 54°FSeptember, 1991-2020
- Statewide normal precipitation
- 4.08 inSeptember
- Warmest place
- 77°Fnormal high, Tiverton
- Coolest place
- 72°Fnormal high, Newport
Where is Rhode Island warmest and wettest in September?
Tiverton has the warmest September afternoons (77°F) and Newport the coolest (72°F). Kingston gets the most precipitation (4.30 in) and Newport the least (3.44 in).
Statewide, September averaged 66.4°F in 2021, 63.6°F in 2022, 65.8°F in 2023, 63.6°F in 2024, 64.8°F in 2025, against a 1991-2020 normal of 64.0°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Providence | 75°F | 57°F | 4.17 | 0.0 |
| Woonsocket | 75°F | 54°F | 4.17 | 0.0 |
| Newport | 72°F | 57°F | 3.44 | – |
| Westerly | 74°F | 57°F | 3.81 | – |
| Tiverton | 77°F | 57°F | 3.93 | 0.0 |
| Kingston | 73°F | 52°F | 4.30 | – |
| Coventry 2 | 74°F | 54°F | 3.86 | – |
| North Foster (1 mi E) | 72°F | 53°F | 4.40 | 0.0 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.