South Kingstown (RI)
September
Weather in South Kingstown, Rhode Island for September 2026
Your guide to South Kingstown weather in September - trends and predictions
So far, September 2026 in South Kingstown is slightly warmer than the historical average by 2 °F.
The forecast for the upcoming days in South Kingstown predicts a temperature of 17.4 °F, which is slightly above the historical average.
In general, the average temperature in South Kingstown at the beginning of September is 23 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.6 °F by the end of September.
South Kingstown experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 94.3 mm.
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Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
20°/15°
Temperatures
19 km/h
Avg max wind
81 %
Avg humidity
South Kingstown Weather September
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Temperatures trend during September in South Kingstown
See the weather trend as well as the moving average line
September weather in South Kingstown day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 22° /17° | 61.1 mm | 4 | |
| Sept. 2 |  Partly cloudy | 24° /16° | 0 mm | 5 | |
| Sept. 3 |  Sunny | 23° /14° | 24.6 mm | 4 | |
| Sept. 4 | Sunny | 24° /16° | 3 mm | 4 | |
| Sept. 5 | Sunny | 23° /16° | 0 mm | 6 | |
| Sept. 6 | Patchy rain possible | 22° /17° | 2.5 mm | 4 | |
| Sept. 7 |  Moderate or heavy rain shower | 23° /13° | 3.8 mm | 6 | |
| Sept. 8 | Sunny | 24° /12° | 0 mm | 6 | |
| Sept. 9 | Partly cloudy | 23° /14° | 0.5 mm | 5 | |
| Sept. 10 | Partly cloudy | 24° /17° | 0 mm | 4 | |
| Sept. 11 | Sunny | 24° /14° | 0 mm | 6 | |
| Sept. 12 | Sunny | 22° /14° | 0 mm | 6 | |
| Sept. 13 | Sunny | 22° /15° | 15.2 mm | 4 | |
| Sept. 14 | Sunny | 23° /15° | 0.5 mm | 6 | |
| Sept. 15 |  Cloudy | 21° /13° | 0 mm | 5 | |
| Sept. 16 | Partly cloudy | 21° /13° | 0 mm | 5 | |
| Sept. 17 |  Overcast | 21° /15° | 1.3 mm | 5 | |
| Sept. 18 | Overcast | 22° /16° | 6.6 mm | 3 | |
| Sept. 19 | Moderate or heavy rain shower | 22° /17° | 24.5 mm | 5 | |
| Sept. 20 |  Light rain | 18° /12° | 15.3 mm | 0.8 | |
| Sept. 21 | Overcast | 18° /12° | 2.6 mm | 4.4 | |
| Sept. 22 | Overcast | 15° /12° | 1.5 mm | 0.7 | |
| Sept. 23 | Overcast | 17° /12° | 0.8 mm | 2.8 | |
| Sept. 24 | Light rain shower | 15° /13° | 34.7 mm | 3 | |
| Sept. 25 | Patchy rain possible | 14° /11° | 24.7 mm | 3 | |
| Sept. 26 | Patchy rain possible | 12° /11° | 2 mm | 3 | |
| Sept. 27 | Overcast | 15° /12° | 0 mm | 4 | |
| Sept. 28 | Overcast | 17° /13° | 0.1 mm | 4 | |
| Sept. 29 | Patchy rain possible | 18° /13° | 17.2 mm | 5 | |
| Sept. 30 | Patchy rain possible | 18° /16° | 14.7 mm | 4 | |
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Important Notice
Our weather forecast for South Kingstown in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the South Kingstown forecast closer to your planned date for the most up-to-date weather information.
Change Month
South Kingstown in September - FAQ
What are the expected maximum and minimum temperatures in South Kingstown during September?
During September, expect a variety of temperatures with highs around 20° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in South Kingstown during September?
Moderate rainfall is anticipated in South Kingstown during September, with a total of 94.3 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in South Kingstown during September?
The average wind speed in South Kingstown during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in South Kingstown
Explore the daily rainfall trends and prepare for South Kingstowns September weather 💧
Typically, South Kingstown has 10 rainy days in September with a total of 94.3 mm of rainfall.
UV exposure in South Kingstown during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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