Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September arrives, River View's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 79.5°F (26.4°C) to a pleasant 72.7°F (22.6°C). During September, River View experiences an average low-temperature of 57.9°F (14.4°C) at night.Humidity
In September, the average relative humidity in River View is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 1.34" (34mm) of precipitation.Snowfall
May through October are months without snowfall in River View.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:28 pm EDT.
Sunshine
In River View, Rhode Island, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are the temperatures in River View in September?
What is the average humidity in September in River View?
What is the driest month in River View?
How many days does it rain in September in River View?
When it does not snow in River View?
How many hours of daylight does River View have in September?
When is the sunrise / sunset in September in River View?
How many hours of sunshine does River View have in September?
What is the UV index reading in September in River View?
Average temperature in September
River View, RI
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
River View, 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
River View, RI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
River View, 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
River View, RI
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
River View, RI
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
River View, RI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
River View, RI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 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
River View, RI
- Average daylight in September: 12h and 3min
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 4min
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
River View, RI
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
River View, 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
River View, 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 30).
Average visibility in September
River View, 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).
River View, Rhode Island, USA
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