Weather in Newport County, Rhode Island for September 2026
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So far, September 2026 in Newport County is slightly warmer than the historical average by 1.8 °F.
Expect cooler weather in the next days in Newport County with the forecast suggesting a temperature of 19.7 °F, lower than the historical average.
In general, the average temperature in Newport County at the beginning of September is 22.7 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.1 °F by the end of September.
Newport County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 106.4 mm.
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Newport County Weather September
Temperatures trend during September in Newport County
September weather in Newport County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 21° /17° | 88.7 mm | 4 | |
| Sept. 2 |  Partly cloudy | 24° /15° | 0.1 mm | 5 | |
| Sept. 3 |  Sunny | 22° /13° | 21.3 mm | 4 | |
| Sept. 4 | Sunny | 24° /16° | 0.3 mm | 4 | |
| Sept. 5 | Sunny | 23° /16° | 0 mm | 6 | |
| Sept. 6 | Patchy rain possible | 22° /16° | 0.3 mm | 4 | |
| Sept. 7 |  Moderate rain | 23° /13° | 6.9 mm | 6 | |
| Sept. 8 | Sunny | 24° /13° | 0 mm | 6 | |
| Sept. 9 | Partly cloudy | 23° /14° | 0.2 mm | 5 | |
| Sept. 10 |  Overcast | 23° /16° | 0.1 mm | 4 | |
| Sept. 11 | Sunny | 24° /15° | 0 mm | 6 | |
| Sept. 12 | Sunny | 22° /14° | 0 mm | 6 | |
| Sept. 13 | Sunny | 22° /15° | 16.4 mm | 5 | |
| Sept. 14 | Sunny | 23° /15° | 0.6 mm | 5.8 | |
| Sept. 15 | Sunny | 21° /12° | 0 mm | 6.2 | |
| Sept. 16 | Sunny | 21° /15° | 0 mm | 6.4 | |
| Sept. 17 | Sunny | 22° /16° | 9.4 mm | 6 | |
| Sept. 18 | Sunny | 22° /14° | 1.3 mm | 6 | |
| Sept. 19 | Sunny | 20° /13° | 0 mm | 5 | |
| Sept. 20 | Overcast | 19° /13° | 2.7 mm | 5 | |
| Sept. 21 | Overcast | 16° /11° | 1.1 mm | 5 | |
| Sept. 22 | Overcast | 16° /11° | 0 mm | 4 | |
| Sept. 23 |  Moderate or heavy rain shower | 14° /13° | 53 mm | 3 | |
| Sept. 24 | Light rain shower | 15° /12° | 22.4 mm | 3 | |
| Sept. 25 | Sunny | 20° /13° | 0 mm | 5 | |
| Sept. 26 | Overcast | 24° /13° | 0 mm | 6 | |
| Sept. 27 | Sunny | 23° /17° | 0 mm | 6 | |
| Sept. 28 | Overcast | 20° /15° | 10.6 mm | 5 | |
| Sept. 29 |  Fog | 20° /15° | 0 mm | 5 | |
| Sept. 30 | Fog | 19° /13° | 0 mm | 5 | |
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Newport County in September - FAQ
What are the expected maximum and minimum temperatures in Newport County during September?
How much rainfall should be expected in Newport County during September?
What are the typical wind conditions in Newport County during September?
September rainfall patterns in Newport County
UV exposure in Newport County during September
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Where is Newport County?Get accurate weather forecasts for Newport County, located at latitude 41.49 and longitude -71.313. Stay updated with localized weather information tailored for Newport County.