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
A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 77.5°F (25.3°C) in August to a pleasant 71.2°F (21.8°C). In Ashaway, the average low-temperature during the month of September is a moderate 60.4°F (15.8°C).Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 1.73" (44mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Ashaway, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:19 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:30 pm EDT.
Sunshine
The average sunshine in September in Ashaway is 9h.UV index
In Ashaway, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Exercise prevention - Warding off sunburn is urged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the average September temperature in Ashaway?
What is the average humidity in September in Ashaway?
What is the driest month in Ashaway?
How many days does it rain in September in Ashaway?
When it does not snow in Ashaway?
How many hours of daylight does Ashaway have in September?
What time are sunrise and sunset in September in Ashaway?
How many hours of sunshine does Ashaway have in September?
What is the UV index intensity in September in Ashaway?
Average temperature in September
Ashaway, RI
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Ashaway, RI
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Ashaway, RI
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in September
Ashaway, RI
- Average humidity in September: 78%
The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in September
Ashaway, RI
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Ashaway, RI
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Ashaway, RI
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Ashaway, RI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 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
Ashaway, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Ashaway, RI
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Ashaway, 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 and December (UV index 2).
Average cloud cover in September
Ashaway, RI
- Average cloud cover in September: 32
The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Ashaway, 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).
Ashaway, Rhode Island, USA
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