September weather forecast
Warren, RI

Weather in September

The first month of the autumn, September, is also an agreeable month in Warren, Rhode Island, with an average temperature ranging between max 72.1°F (22.3°C) and min 58.8°F (14.9°C).

Temperature

In Warren, the average high-temperature in September marginally drops from a moderately hot 78.6°F (25.9°C) in August to an agreeable 72.1°F (22.3°C). In Warren, in September, the average low-temperature is 58.8°F (14.9°C).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

June through October are months without snowfall in Warren, Rhode Island.

Ocean temperature

In Warren, the average seawater temperature in September is 66.7°F (19.3°C).
Note: For most, swimming in 66.7°F (19.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in September in Warren is 12h and 28min.
On the first day of September in Warren, 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.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index in Warren is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Warren?

The average relative humidity in September in Warren is 78%.

What is the driest month in Warren?

The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 1.06" (27mm) of precipitation.

How much does it rain in Warren in September?

In Warren, during September, the rain falls for 11.2 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow in Warren?

June through October are months without snowfall.

What is the ocean temperature in September in Warren?

In Warren, Rhode Island, the average seawater temperature in September is 66.7°F (19.3°C). For most, swimming in 66.7°F (19.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does Warren have in September?

In September, the average day length is 12h and 28min.

What time are sunrise and sunset in September in Warren?

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, in Warren, Rhode Island, sunrise is at 6:41 am and sunset at 6:28 pm EDT.

How many hours of sunshine does Warren have in September?

In Warren, the average sunshine duration in September is 8.8h.

How high is the UV index in September in Warren?

In September, the average daily maximum UV index in Warren is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Average temperature in September
Warren, RI

Average temperature in September - Warren, RI
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 58.8°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in September
Warren, RI

Average pressure in September - Warren, 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
Warren, RI

Average wind speed in September - Warren, RI
  • Average wind speed in September: 8.2mph

The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in September
Warren, RI

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

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Warren, RI

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

The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days in September
Warren, RI

Average rainfall days in September - Warren, RI
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in September
Warren, RI

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

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Warren, RI

Average snowfall days in September - Warren, 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 sea temperature in September
Warren, RI

Average sea temperature in September - Warren, RI
  • Average sea temperature in September: 66.7°F

The best month for swimming (with the highest average sea temperature) is August (69.3°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).

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

Average daylight in September / Average sunshine in September - Warren, RI
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 13min).

  • Average sunshine in September: 8.8h

The month with the most sunshine is August (Average sunshine: 10.6h).
The months with the least sunshine are February and December (Average sunshine: 4.9).

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Average sunshine days in September
Warren, RI

Average sunshine days in September - Warren, RI
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index in September
Warren, RI

Average UV index in September - Warren, 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 and December (UV index 2).

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Average cloud cover in September
Warren, RI

Average cloud cover in September - Warren, RI
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Warren, RI

Average visibility in September - Warren, 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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