September weather forecastPhenix, RI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Phenix, Rhode Island, with an average temperature fluctuating between 57.7°F (14.3°C) and 72.5°F (22.5°C).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 79.7°F (26.5°C) to an agreeable 72.5°F (22.5°C). In the month of September, the temperature generally rests at an average low of 57.7°F (14.3°C).Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 10.4 days and accumulates 0.91" (23mm) of precipitation.Snowfall
In Phenix, snow does not fall in June through October.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 7:19 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:29 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
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 the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Phenix, RI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 57.7°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 (24.1°F).
Average pressure in September
Phenix, 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
Phenix, RI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Phenix, RI
- Average humidity in September: 78%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Phenix, RI
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is April (2.17").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in September
Phenix, RI
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Phenix, RI
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.89").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Phenix, RI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6 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
Phenix, 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 month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Phenix, RI
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in September
Phenix, 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
Phenix, 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
Phenix, 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).
