September weather forecast and climate
Providence, RI

The city of Providence, Rhode Island, reflected in the water
The city of Providence, Rhode Island, reflected in the water
The first month of the autumn, September, is also an agreeable month in Providence, Rhode Island, with average temperature fluctuating between 72.5°F (22.5°C) and 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

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

Rainfall

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

Snowfall

In Providence snow does not fall in June through October.

Ocean temperature

In Providence, the average water temperature 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 is 12.5h.

Sunshine

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

UV index

The average daily maximum UV index in Providence is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for 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.

What is the temperature in September in Providence?

In Providence, in September, the average high-temperature is 72.5°F (22.5°C), and the average low-temperature is 57.2°F (14°C).

What is the average humidity in September in Providence?

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

How many days does it rain in September in Providence?

In Providence, in September, during 10.7 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

What is the driest month in Providence?

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

When it does not snow in Providence?

In Providence, Rhode Island, snow does not fall in June through October.

How cold is the water 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).

What is the average length of the day in September in Providence?

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

How many hours of sunshine does Providence have in September?

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

What is the UV index intensity in September in Providence?

In September, the average daily maximum UV index in Providence, Rhode Island, is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Providence, 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).

Average pressure in September - Providence, RI
  • Average pressure in September: 30.05"

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

Average wind speed in September - Providence, 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).

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%).

Average rainfall in September - Providence, 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").

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).

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

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

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).

Average sea temperature in September - Providence, 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).

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).

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).

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).

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).

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

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