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
September heralds a minor drop in average high-temperature, sliding from August's warm 77.5°F (25.3°C) to an agreeable 71.2°F (21.8°C). Throughout the month of September, the average temperature dips to a moderate 59.9°F (15.5°C) at night.Humidity
In Scarborough Hills, 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
In Scarborough Hills, snow does not fall in April through November.Daylight
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 8.8h.UV index
In Scarborough Hills, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow in Scarborough Hills?
How many hours of daylight does Scarborough Hills have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Scarborough Hills have in September?
What is the UV index reading in September?
Average temperature in September
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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
Scarborough Hills, 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).
Scarborough Hills, Rhode Island, USA
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