Narragansett Pier Weather in September

What's the weather like in Narragansett Pier (Rhode Island) in September 2025?

The climate in Narragansett Pier during September can be summarized as warm and a little damp.

September is in the fall / autumn in Narragansett Pier and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 14°C (57°F) is normal.

Narragansett Pier weather averages (imperial / metric)
Daytime temperature 22.3°C 72.1°F
Nightly temperature 13.7°C 56.7°F
Average temperature 18°C 64.4°F
Daily sunshine 8.2 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 8 days
Sea temperature 19.4°C 66.9°F
Humidity 74%
Windspeed 15.5kph 10 mph

On average September is the 4th driest month of the year in Narragansett Pier with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

September temperatures in Narragansett Pier

Narragansett Pier average temperature in September

September rainfall

Narragansett Pier average rain in September

September hourly sunshine

Narragansett Pier average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Narragansett Pier in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Narragansett Pier weather stats

Narragansett Pier weather statistics
Hottest month: July 26.3°C 79.3°F
Driest month: June 76mm 3ins
Sunniest month: March 8.1hrs
Coldest month: January 2.7°C 36.9°F
Wettest month: November 118mm 4.6ins
Map showing location of Narragansett Pier (41.43232, -71.45644) Narragansett Pier map pin © Google

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