September weather forecastSockanosset, RI
September
Weather in September
September, the first month of the autumn in Sockanosset, is also an agreeable month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 57.4°F (14.1°C).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 79.7°F (26.5°C) to a pleasant 73°F (22.8°C). Throughout the month of September, Sockanosset observes an average nighttime temperature of 57.4°F (14.1°C).Humidity
In September, the average relative humidity is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.16" (4mm) of precipitation.Snowfall
In Sockanosset, snow does not fall in April, June through October.Daylight
In Sockanosset, Rhode Island, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:12 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:28 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sockanosset, RI
- Average high temperature in September: 73°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: 57.4°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 (23.7°F).
Average pressure in September
Sockanosset, 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).
Average wind speed in September
Sockanosset, RI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Sockanosset, RI
- Average humidity in September: 77%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Sockanosset, RI
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is December (0.59").
The driest month (with the least rainfall) is September (0.16").
Average rainfall days in September
Sockanosset, RI
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is July (6.6 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Sockanosset, RI
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Sockanosset, RI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sockanosset, RI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Sockanosset, RI
- Average sunshine days in September: 24.3 days
The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is July (21.2 days).
Average UV index in September
Sockanosset, 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
Sockanosset, RI
- Average cloud cover in September: 34
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
Sockanosset, 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).





