September weather forecast
West Kingston, RI

Share

Weather in September

The first month of the autumn, September, is also an agreeable month in West Kingston, Rhode Island, with an average temperature fluctuating between 71.2°F (21.8°C) and 59.9°F (15.5°C).

Temperature

West Kingston's transition into September involves a gentle shift in temperature, receding from a moderately hot 77.5°F (25.3°C) in August to a pleasant 71.2°F (21.8°C). An average nighttime temperature of 59.9°F (15.5°C) is witnessed throughout September.

Humidity

The average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 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, sunrise is at 6:42 am and sunset at 6:29 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What are September temperatures?

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

What is the average humidity in September?

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

What is the driest month?

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

How much does it rain in September?

In West Kingston, during September, the rain falls for 11.5 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow?

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

How many hours of daylight does West Kingston have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, 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 long on average sun shines in September?

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

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
West Kingston, RI

Average temperature in September - West 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
West Kingston, RI

Average pressure in September - West 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
West Kingston, RI

Average wind speed in September - West 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
West Kingston, RI

Average humidity in September - West 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
West Kingston, RI

Average rainfall in September - West 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
West Kingston, RI

Average rainfall days in September - West 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
West Kingston, RI

Average snowfall in September - West 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
West Kingston, RI

Average snowfall days in September - West 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
West Kingston, RI

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

Average sunshine days in September - West 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
West Kingston, RI

Average UV index in September - West 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
West Kingston, RI

Average cloud cover in September - West 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
West Kingston, RI

Average visibility in September - West 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).

West Kingston, Rhode Island, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location