SeasonMapNewport weather in September
United States
September in Newport: nice, rainy, with clean air — a great time to visit.
#4 of 12 months in Newport · #757 of 1383 destinations to visit in September · comfort 78/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Newport in September
Other months in Newport
Newport's forum calls July hot and muggy at the height of the season — beach and sailing weather, with the Jazz and Folk Festivals both drawing crowds. Regulars flag it as the busiest, priciest month locally, and suggest late May or September as a moderate-temperature alternative for anyone hoping to dodge the peak crowds.
Add your own note from Newport's card on the map.
Newport climate normals — September
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 23°C / 73°F | |
| Sea temperature | 20°C / 67°F | 🌊 fresh |
| Rainfall | 82 mm / 3.2 in | 🌧 rainy |
| Rainy days | 7 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 12.5 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Newport in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsSummer season, Summer break in United States(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Newport's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherNewport's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Newport in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Summer season
20 Jun – 7 SepSchool holidaysCrowdedBook earlyA town of twenty-five thousand taking several million visitors a year, most of them in ten weeks. Thames Street, the Cliff Walk and the mansion car parks are all at capacity by eleven, and nothing takes walk-ins.
Nearby, and something's on
Within 300 km of Newport — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Newport?
Newport in September — FAQ
- Is September a good time to visit Newport?
- September in Newport: nice, rainy, with clean air — a great time to visit. It ranks #4 of 12 months for Newport on SeasonMap's comfort score (78/100).
- What is the weather like in Newport in September?
- In September, Newport averages a daily high of 23.1°C and a low of 14.8°C, with about 81.5 mm of rain over roughly 6.5 rainy days.
- What is the air quality in Newport in September?
- Newport has a mean US Air Quality Index of about 39 in September.
Other months in Newport
Compare Newport in September
Warmer or cooler than Newport in September
Similar destinations in North America — September
Within 300 km: Boston's Whales on Stellwagen Bank around 15 Apr – 20 Oct, and Killington's Fall foliage around 22 Sep – 15 Oct.