September weather forecast
Kingston, RI

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Weather in September

The end of summer draws near with September’s arrival, as Kingston starts transitioning towards the cooler seasons. The temperature scale tips towards moderate, introducing a perceptible decrease in night-time temperatures. Rainfall decreases but maintains a consistent presence, while daylight hours start to shorten, paving the way towards fall. Also notable is the decrease in rainfall to 1.5" (38mm) for the month, the lowest observed throughout the year. Embracing the changing shades of nature, Kingston segues into the autumn season.

Temperature

Kingston's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 77.5°F (25.3°C) to an agreeable 71.2°F (21.8°C). The month of September records an average low-temperature of 59.9°F (15.5°C).

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 6:13 am and sunset at 7:18 pm. On the last day of September, in Kingston, sunrise is at 6:42 am and sunset at 6:29 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index in Kingston is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 4 in September translates into these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What are the temperatures in Kingston in September?

The average high-temperature, in September, in Kingston, is 71.2°F (21.8°C), while the average low-temperature is 59.9°F (15.5°C).

What is the average humidity in September in Kingston?

The average relative humidity in September is 78%.

What is the driest month in Kingston?

September is the month with the least rainfall in Kingston, Rhode Island. Rain falls for 11.5 days and accumulates 1.5" (38mm) of precipitation.

How much does it rain in Kingston in September?

In Kingston, in September, during 11.5 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow in Kingston?

In Kingston, Rhode Island, snow does not fall in April through November.

How many hours of daylight does Kingston have in September?

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

When is the sunrise / sunset in September in Kingston?

On the first day of September, sunrise is at 6:13 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:29 pm EDT.

How many hours of sunshine does Kingston have in September?

The average sunshine duration in September in Kingston, Rhode Island, is 8.8h.

What is the UV index reading in September in Kingston?

The average daily maximum UV index in September in Kingston is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Kingston, RI

Average temperature in September - Kingston, RI
  • Average high temperature in September: 71.2°F

The warmest months (with the highest average high temperature) are July and August (77.5°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in September
Kingston, RI

Average pressure in September - Kingston, 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).

Average wind speed in September
Kingston, RI

Average wind speed in September - Kingston, RI
  • Average wind speed in September: 9.4mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

Average humidity in September
Kingston, RI

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

The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are March, April and November (74%).

Average rainfall in September
Kingston, RI

Average rainfall in September - Kingston, RI
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in September
Kingston, RI

Average rainfall days in September - Kingston, RI
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
Kingston, RI

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

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

Average snowfall days in September
Kingston, RI

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

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 5min

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).

Average sunshine days in September
Kingston, RI

Average sunshine days in September - Kingston, RI
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12.2 days).

Average UV index in September
Kingston, RI

Average UV index in September - Kingston, 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).

Average cloud cover in September
Kingston, RI

Average cloud cover in September - Kingston, RI
  • Average cloud cover in September: 33

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

Average visibility in September
Kingston, RI

Average visibility in September - Kingston, 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).

Kingston, Rhode Island, USA

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