September weather forecast
Providence, RI

The city of Providence, Rhode Island, reflected in the water
The city of Providence, Rhode Island, reflected in the water

Weather in September

The first month of the autumn, September, is also an agreeable month in Providence, Rhode Island, with average temperature ranging between max 72.5°F (22.5°C) and min 57.2°F (14°C).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 79.9°F (26.6°C) in August, to a pleasant 72.5°F (22.5°C). The average low-temperature, in Providence, is 57.2°F (14°C).

Humidity

The average relative humidity in September is 78%.

Rainfall

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

Snowfall

June through October are months without snowfall.

Ocean temperature

In Providence, the average seawater temperature is 66.7°F (19.3°C).
Note: For swimming, a surface water temperature of 66.7°F (19.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in September is 12.5h.

Sunshine

In Providence, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in September in Providence?

In Providence, Rhode Island, the average relative humidity in September is 78%.

What is the driest month in Providence?

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

How many days does it rain in September in Providence?

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

When it does not snow in Providence?

June through October are months without snowfall in Providence.

What is the ocean temperature in September in Providence?

In Providence, Rhode Island, the average seawater temperature in September is 66.7°F (19.3°C). Swimming in 66.7°F (19.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Providence have in September?

In Providence, the average length of the day in September is 12.5h.

How many hours of sunshine does Providence have in September?

The average sunshine in September in Providence is 8.7h.

What is the UV index intensity in September in Providence?

In September, the average daily maximum UV index in Providence is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Providence, RI

Average temperature in September - Providence, RI
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is July (27.2°C).
The month with the lowest average high temperature is January (1.7°C).

  • Average low temperature in September: 14°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).

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Average pressure in September
Providence, RI

Average pressure in September - Providence, RI
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

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Average wind speed in September
Providence, RI

Average wind speed in September - Providence, RI
  • Average wind speed in September: 11.6km/h

The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

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Average humidity in September
Providence, RI

Average humidity in September - Providence, 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
Providence, RI

Average rainfall in September - Providence, RI
  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is April (61mm).
The driest month (with the least rainfall) is September (27mm).

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Average rainfall days in September
Providence, RI

Average rainfall days in September - Providence, 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
Providence, RI

Average snowfall in September - Providence, RI
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (51mm).
Months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in September
Providence, RI

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

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

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Average sea temperature in September
Providence, RI

Average sea temperature in September - Providence, RI
  • Average sea temperature in September: 19.3°C

The best month for swimming (with the highest average sea temperature) is August (20.7°C).
The coldest month (with the lowest average sea temperature) is February (3.4°C).

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

Average daylight in September / Average sunshine in September - Providence, RI
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Providence, RI

Average sunshine days in September - Providence, 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
Providence, RI

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

Months with the highest UV index are June, July and August (UV index 6).
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
Providence, RI

Average cloud cover in September - Providence, 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
Providence, RI

Average visibility in September - Providence, RI
  • Average visibility in September: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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