September weather forecast
Woonsocket, RI

Weather in September

The first month of the autumn, September, is also an agreeable month in Woonsocket, Rhode Island, with an average temperature varying between 55.2°F (12.9°C) and 73°F (22.8°C).

Temperature

In September, the average high-temperature marginally drops from a moderately hot 80.8°F (27.1°C) in August to a pleasant 73°F (22.8°C). The average low-temperature, in September, is 55.2°F (12.9°C).

Humidity

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

Rainfall

September is the month with the least rainfall in Woonsocket. Rain falls for 11.6 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

June through September are months without snowfall in Woonsocket, Rhode Island.

Daylight

The average length of the day in September in Woonsocket is 12h and 28min.
On the first day of September, sunrise is at 6:11 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:29 pm EDT.

Sunshine

In September, the average sunshine is 8h.

UV index

In September, the average daily maximum UV index in Woonsocket is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. 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 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 Woonsocket?

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

What is the driest month in Woonsocket?

September is the month with the least rainfall in Woonsocket, Rhode Island. Rain falls for 11.6 days and accumulates 1.3" (33mm) of precipitation.

How many days does it rain in September in Woonsocket?

In Woonsocket, in September, during 11.6 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

When it does not snow in Woonsocket?

June through September are months without snowfall.

Does it snow in Woonsocket in September?

In Woonsocket, in September, it doesn't snow. In October, it regularly snows.

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

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

What time are sunrise and sunset in September in Woonsocket?

In September, on the first day of the month, sunrise is at 6:11 am and sunset at 7:20 pm. On the last day of the month, in Woonsocket, sunrise is at 6:42 am and sunset at 6:29 pm EDT.

How many hours of sunshine does Woonsocket have in September?

In September, the average sunshine duration in Woonsocket, Rhode Island, is 8h.

What is the UV index reading in September in Woonsocket?

The average daily maximum UV index in September in Woonsocket, Rhode Island, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Woonsocket, RI

Average temperature in September - Woonsocket, RI
  • Average high temperature in September: 73°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 55.2°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

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Average pressure in September
Woonsocket, RI

Average pressure in September - Woonsocket, RI
  • Average pressure in September: 30.06"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
Woonsocket, RI

Average wind speed in September - Woonsocket, RI
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in September
Woonsocket, RI

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

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in September
Woonsocket, RI

Average rainfall in September - Woonsocket, RI
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in September
Woonsocket, RI

Average rainfall days in September - Woonsocket, RI
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (7.9 days).

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Average snowfall in September
Woonsocket, RI

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

The month with the highest snowfall is March (3.66").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Woonsocket, RI

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

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 11min).
The month with the shortest days is December (Average daylight: 9h and 11min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in September
Woonsocket, RI

Average sunshine days in September - Woonsocket, RI
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (12.5 days).

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Average UV index in September
Woonsocket, RI

Average UV index in September - Woonsocket, 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
Woonsocket, RI

Average cloud cover in September - Woonsocket, RI
  • Average cloud cover in September: 42

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in September
Woonsocket, RI

Average visibility in September - Woonsocket, RI
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).

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