September weather forecast
Barrington, RI

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Weather in September

September marks the beautiful transition from humid summer to pleasant fall in Barrington. While the summer heat mellows down to a pleasant 72.5°F (22.5°C), the reduction in daylight hours and the fewer sunshine hours declare the imminent arrival of fall. The weather proves to be unpredictable during this transition month. Pack a light jacket for the slightly colder nights and an umbrella for the September showers. As the leaves turn to brilliant shades of yellow and brown, Barrington relishes the delightful change in scenery.

Temperature

A subtle shift in Barrington's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 79.9°F (26.6°C) to an agreeable 72.5°F (22.5°C). During the month of September, the nighttime temperature falls to an average of 57.2°F (14°C).

Humidity

In September, the average relative humidity in Barrington is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.7 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

In Barrington, snow does not fall in June through October.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:18 pm. On the last day of September, in Barrington, sunrise is at 6:41 am and sunset at 6:28 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In Barrington, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 in September translates into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the temperature in September in Barrington?

The high-temperature, in September, in Barrington, records 72.5°F (22.5°C), while the low-temperature is 57.2°F (14°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 86°F (30°C).

What is the average humidity in September in Barrington?

The average relative humidity in September in Barrington, Rhode Island, is 78%.

What is the driest month in Barrington?

The month with the least rainfall is September, when the rain falls for 10.7 days and typically collects 1.06" (27mm) of precipitation.

How many days does it rain in September in Barrington?

In September, in Barrington, Rhode Island, the rain falls for 10.7 days. Throughout September, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Barrington?

In Barrington, snow does not fall in June through October.

How many hours of daylight does Barrington have in September?

The average day length in September in Barrington is 12h and 28min.

When are sunrise and sunset in September in Barrington?

In September, on the first day of the month, sunrise is at 6:11 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:28 pm EDT.

How many hours of sunshine does Barrington have in September?

In September, the average sunshine duration in Barrington, Rhode Island, is 8.7h.

What is the UV index intensity in September in Barrington?

In Barrington, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Barrington, RI

Average temperature in September - Barrington, RI
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in September
Barrington, RI

Average pressure in September - Barrington, RI
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Barrington, RI

Average wind speed in September - Barrington, RI
  • Average wind speed in September: 7.2mph

The windiest months (with the highest average wind speed) are January, February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in September
Barrington, RI

Average humidity in September - Barrington, RI
  • Average humidity in September: 78%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in September
Barrington, RI

Average rainfall in September - Barrington, RI
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days in September
Barrington, RI

Average rainfall days in September - Barrington, RI
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in September
Barrington, RI

Average snowfall in September - Barrington, RI
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Barrington, RI

Average snowfall days in September - Barrington, RI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Barrington, RI

Average daylight in September / Average sunshine in September - Barrington, RI
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Barrington, RI

Average sunshine days in September - Barrington, RI
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in September
Barrington, RI

Average UV index in September - Barrington, RI
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Barrington, RI

Average cloud cover in September - Barrington, RI
  • Average cloud cover in September: 35

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in September
Barrington, RI

Average visibility in September - Barrington, RI
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Barrington, Rhode Island, USA

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