Newport, RI weather in September
Newport is mild in September, with some rain: highs average 76°F and nights drop to about 53°F. Rain falls on about 9 days. A good month for most outdoor plans.
- Normal high
- 76°F
- Normal low
- 53°F
- Wet days
- 9
- 4.4 in total
- Muggy days
- 5
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 80°F | 71°F |
| Normal low | 58°F | 48°F |
| Chance of a wet day | 30% | 34% |
| Sunrise / sunset | 6:11 am / 7:18 pm | 6:41 am / 6:29 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 am59°Fdew point 55°F
- 9 am67°Fdew point 57°F
- Noon72°Fdew point 56°F
- 3 pm73°Fdew point 56°F
- 6 pm67°Fdew point 57°F
- 9 pm63°Fdew point 57°F
NOAA hourly normals (local standard time) from Providence T F Green Airport (17 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F16 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph7 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more5 of 30
- Wet daysat least 0.01 in of rain or melted snow9 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 4.4 in; a dry September brings about 2.9 in and a wet one about 6.3 in (25th and 75th percentiles). About 3 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 80°F
- Coolest September1992: average high 72°F
- Wettest September2008: 10.2 in
- Driest September2014: 0.9 in
- Highest reading94°F (September 1, 2010)
- Lowest reading28°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 | 82°F | 76°F | 65°F |
| Normal low | 60°F | 53°F | 42°F |
| Wet days | 10 | 9 | 12 |
| Comfortable days | 6 | 16 | 15 |
| Daylight | 13.8 h | 12.5 h | 11.1 h |
Highs change by -6°F from August and -11°F into October.
Nearby alternatives in September
- Cooler: Worcester, MA59 mi · high 71°F · 10 wet days
How Newport ranks in September
- Normal high262nd warmest of 378 cities; 1st of 2 in Rhode Island
- Wet days274th driest of 378
- Comfortable days53rd most of 342
What to pack for Newport in September
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
September has 90 heating degree days and 78 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Newport in September?
The normal high is 76°F and the normal low is 53°F. From 1991 to 2020 the hottest September reading was 94°F (September 1, 2010).
Does it rain a lot in Newport in September?
About 9 days in September have at least 0.01 in of precipitation, and the normal total is 4.4 in. The wettest September in 1991-2020 was in 2008 (10.2 in); the driest was in 2014 (0.9 in).
Is September a good time to visit Newport?
September ranks 3rd of 12 months on our comfort score for Newport (69 out of 100). It has about 16 comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Kingston (USC00374266), 12 mi W of the city center, 117 ft (89 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Newport State Airport (USW00014787), 3.4 mi NNE of the city center, 172 ft (144 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Providence T F Green Airport (USW00014765), 17 mi NNW of the city center, 60 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Theodore F Green State Airport (725070-14765), 17 mi NNW of the city center, 51 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).