Block Island Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Block Island, the United States of America in September.

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New Shoreham

Planning a trip to Block Island, the United States of America this September? Here's what you need to know about the weather:

What to Expect in Block Island in September

Block Island, the United States of America is a region in the United States of America. September in Block Island generally has pleasant temperatures, with moderate precipitation. September falls during the summer season.

Temperatures

You can expect pleasant maximum daytime temperatures of around 22°C (72°F) and nighttime temperatures around 16°C (61°F) in New Shoreham.

To learn more about the conditions in specific areas of Block Island, the United States of America, check out the map below.

Precipitation

September is a moderate rainy month with an average rainfall of around 74 mm (2.9 in) in New Shoreham. Going by our weather data, this month in New Shoreham usually has the least rain, making it the driest month of the year.

Average sunshine

September brings good sunshine to many areas. New Shoreham sees around 233 hours of sunlight, great for visitors looking for bright days.

Explore Block Island by month

Pick a month to see the average temperature, rainfall and sunshine in Block Island — and find the best time to visit. (based on New Shoreham)

January4°C (39°F) February4°C (39°F) March7°C (45°F) April12°C (54°F) May17°C (63°F) June21°C (70°F) This monthJuly25°C (77°F) August25°C (77°F) September22°C (72°F) October17°C (63°F) November12°C (54°F) December8°C (46°F)
Best Time to Visit Block Island →

Best Places to Visit in Block Island in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Block Island.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Block Island

What is the weather like in September for the most popular destinonation in Block Island, the United States of America?

New Shoreham

In September New Shoreham generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
22°C (72°F)
17°C (63°F)
Min temperature
19°C (66°F)
16°C (61°F)
11°C (52°F)
Monthly sun hours
260 hours
233 hours
208 hours
Monthly rainfall
77 mm (3 in)
74 mm (2.9 in)
109 mm (4.3 in)
Monthly rainy days
9 days
8 days
12 days
Weather conditions
perfect
perfect
unpleasant
Climate in New Shoreham →

Is your destination not in the list? Have a look at all destinations in Block Island, in the United States of America.

Block Island weather in September: frequently asked questions

What is the weather like in Block Island, the United States of America in September?

Expect perfect weather across Block Island, the United States of America in September. The popular destination of New Shoreham averages 22°C (72°F) by day and 16°C (61°F) at night during this summer month.

What is the average temperature in Block Island, the United States of America in September?

In New Shoreham, the average daytime high in September is 22°C (72°F), while nighttime temperatures drop to around 16°C (61°F).

Does Block Island, the United States of America get a lot of rain in September?

Not particularly. New Shoreham averages just 74 mm (2.9 in) of rain in September, making it a mostly dry month for Block Island, the United States of America.

Is September a Good Time to Visit Block Island, the United States of America?

We believe that September is one of the best times to visit Block Island, the United States of America with overall perfect weather in New Shoreham. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Block Island, the United States of America is in July, August and September with generally perfect weather in New Shoreham. On the other hand, the months of January, February, March and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Block Island.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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