Rhode Island in september: average Weather, Temperature and Climate
Weather in Rhode Island in september 2025
The weather in Rhode Island in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 6
Weather at 6am
65°F
Clear/Sunny
43% of time
28%
16%
7%
Weather at 12pm
74°F
Clear/Sunny
48% of time
25%
13%
10%
Weather at 6pm
67°F
Clear/Sunny
44% of time
28%
12%
10%
Weather at 3am
61°F
41%
18%
18%
11%
Evolution of daily average temperature and precipitation in Rhode Island in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rhode Island in september.
The climate of Rhode Island in september is perfect
The climate in september in Rhode Island is relatively dry (with 2.8in of rainfall over 4 days). It should be noted an improvement from the previous month since in august it receives an average of 4.1in of rainfall over 6 days.
The climate quite good here this month. The thermometer averaged maximum of 76°F. On average, the recorded minimum temperature is 63°F. Thus, the mean temperature average in september in Rhode Island is 70°F. These temperatures are far removed from those records observed in Rhode Island in the month of september with a maximum record of 92°F in 2015 and a minimum record of 47°F in 2011.
Day length in Rhode Island in september is 12:28. Sunrise is at 05:27 and sets at 17:55.
With good weather conditions, this month is a good time to go in Rhode Island in United States.
Seasonal average climate and temperature of Rhode Island in september
Check below seasonal norms These datas are generated from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 70°F | ||||
| Highest temperature | 76°F | ||||
| Lowest temperature | 63°F | ||||
| Highest record temperature | 92°F (2015) | ||||
| Lowest record temperature | 47°F (2011) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| Number of days at +65°F | 28 day(s) (93%) | ||||
| Sea temperature | |||||
| Average sea temperature | 68°F | ||||
| Lowest sea temperature | 65°F | ||||
| Highest sea temperature | 70°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 63°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.8in | ||||
| Number of days with rainfall | 4 day(s) (12%) | ||||
| Record daily rainfall | 2.3in (2015) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 9.07km | ||||
| Cloud cover | 34% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:27 | ||||
| Time of sunset | 17:55 | ||||
| Length of day | 12:28 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Rhode Island in september 2024:
70°F to 74°F
65°F to 76°F
54°F to 70°F
56°F to 70°F
59°F to 72°F
61°F to 74°F
59°F to 68°F
52°F to 68°F
56°F to 70°F
59°F to 76°F
56°F to 72°F
58°F to 72°F
61°F to 74°F
61°F to 77°F
61°F to 72°F
58°F to 70°F
61°F to 65°F
63°F to 68°F
65°F to 67°F
63°F to 67°F
59°F to 61°F
59°F to 61°F
59°F to 63°F
59°F to 65°F
58°F to 61°F
59°F to 67°F
65°F to 67°F
65°F to 68°F
56°F to 61°F
54°F to 63°F
Map: other cities in the United States (USA) in september
Cities near Rhode Island:
| Massachusetts in september | perfect weather |
| Boston in september | good weather |
| Provincetown in september | good weather |
| Nantucket Island (Massachusetts) in september | good weather |
| Cape Cod National Seashore in september | good weather |
| Connecticut in september | good weather |
| Hampton Beach in september | good weather |
| Albany in september | good weather |
| Brooklyn in september | good weather |
| New York City in september | good weather |
| Old Orchard Beach in september | good weather |
| New Jersey in september | perfect weather |
Click over cities on the map for information about the weather in september.
Rhode Island
perfect weather
good
tolerable
bad
very bad
Weather data for Rhode Island in september:
Weather data for Rhode Island for september are derived from an average of the weather forecast since 2009 in Rhode Island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Rhode Island can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Rhode Island.