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Rhode Island (Providence)
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Weather in Rhode Island for September 2026

Your guide to Rhode Island weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Small Craft Advisory - See hour by hour.

    • Temperatures

  • Until now, September 2026 in Rhode Island has been nearly identical to the historical average, with a temperature of 24 °F (showing only a slight deviation of 0.2 °F).

  • The forecast for the upcoming days in Rhode Island predicts a temperature of 18.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Rhode Island at the beginning of September is 26.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18 °F by the end of September.

    • Rain 🌧️

  • Rhode Island in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 121.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/14°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Rhode Island Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
24°
2
Overcast
25°
3
Partly cloudy
27°
4
Overcast
27°
5
Sunny
28°
6
Overcast
26°
7
Thundery outbreaks possible
27°
8
Sunny
26°
9
Partly cloudy
25°
10
Fog
26°
11
Sunny
27°
12
Fog
24°
13
Moderate rain
25°
14
Mist
25°
15
Overcast
22°
16
Patchy light drizzle
24°
17
Partly cloudy
23°
18
Mist
22°
19
Overcast
21°
20
Partly cloudy
20°
21
Overcast
19°
22
Overcast
20°
23
Overcast
19°
24
Weather Alert Overcast
18°
25
Overcast
15°
26
Patchy rain possible
13°
27
Light rain
14°
28
Patchy rain possible
19°
29
Sunny
23°
30
Sunny
24°

What’s the Weather Like in Rhode Island This September?

Discover the average temperatures and weather trends across Rhode Island’s cities this September.
CloudyProvidence23 °F / 14 °FCloudyNewport20 °F / 15 °FCloudySouth Kingstown20 °F / 15 °FCloudyChepachet22 °F / 13 °FFogWesterly21 °F / 16 °FMore Locations

Temperatures trend during September in Rhode Island

See the weather trend as well as the moving average line

September weather in Rhode Island day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 24° /15° 60.5 mm 5
Sept. 2 Overcast
Overcast
 25° /14° 0 mm 5
Sept. 3 Partly cloudy
Partly cloudy
 27° /13° 24.8 mm 5
Sept. 4 Overcast
Overcast
 27° /15° 0 mm 5
Sept. 5 Sunny
Sunny
 28° /16° 1.5 mm 7
Sept. 6 Overcast
Overcast
 26° /16° 0.4 mm 5
Sept. 7 Thundery outbreaks possible
Thundery outbreaks possible
 27° /14° 6.4 mm 6
Sept. 8 Sunny
Sunny
 26° /13° 0 mm 6
Sept. 9 Partly cloudy
Partly cloudy
 25° /14° 0.6 mm 5
Sept. 10 Fog
Fog
 26° /16° 0.8 mm 5
Sept. 11 Sunny
Sunny
 27° /14° 0.6 mm 7
Sept. 12 Fog
Fog
 24° /13° 0.3 mm 6
Sept. 13 Moderate rain
Moderate rain
 25° /15° 13.5 mm 5
Sept. 14 Mist
Mist
 25° /14° 0 mm 6
Sept. 15 Overcast
Overcast
 22° /13° 0 mm 5
Sept. 16 Patchy light drizzle
Patchy light drizzle
 24° /13° 0.1 mm 5
Sept. 17 Partly cloudy
Partly cloudy
 23° /12° 0.9 mm 5
Sept. 18 Mist
Mist
 22° /15° 8.2 mm 4
Sept. 19 Overcast
Overcast
 21° /14° 9.7 mm 4
Sept. 20 Partly cloudy
Partly cloudy
 20° /12° 4.9 mm 4
Sept. 21 Overcast
Overcast
 19° /11° 0.9 mm 4
Sept. 22 Overcast
Overcast
 20° /12° 4.6 mm 4
Sept. 23 Overcast
Overcast
 19° /12° 15.1 mm 4
Sept. 24 Overcast
Overcast
 18° /9° 0 mm 5.2
Sept. 25 Overcast
Overcast
 15° /11° 4.4 mm 2.7
Sept. 26 Patchy rain possible
Patchy rain possible
 13° /11° 16.9 mm 0.6
Sept. 27 Light rain
Light rain
 14° /12° 30.8 mm 0.3
Sept. 28 Patchy rain possible
Patchy rain possible
 19° /11° 5.4 mm 5
Sept. 29 Sunny
Sunny
 23° /13° 0 mm 6
Sept. 30 Sunny
Sunny
 24° /14° 0 mm 6
Next
Important Notice
Our weather forecast for Rhode Island 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 Rhode Island forecast closer to your planned date for the most up-to-date weather information.
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Rhode Island in September - FAQ

What are the expected maximum and minimum temperatures in Rhode Island during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Rhode Island during September?
Significant rainfall exceeding 121.9 mm is expected in Rhode Island during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Rhode Island during September?
The average wind speed in Rhode Island during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Rhode Island

Explore the daily rainfall trends and prepare for Rhode Islands September weather 💧
Typically, Rhode Island has 17 rainy days in September with a total of 121.9 mm of rainfall.

UV exposure in Rhode Island during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Counties in Rhode Island
Select a county for an accurate weather forecast
Newport CountyProvidence CountyWashington County
Top locations in Rhode Island
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ChepachetNewportProvidenceSouth KingstownWesterly
More Locations

Quick links

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Location coordinates Where is Rhode Island?

Get accurate weather forecasts for Rhode Island, located at latitude 41.824 and longitude -71.413. Stay updated with localized weather information tailored for Rhode Island.

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