September weather forecastProvidence, RI
September
Weather in September
September in Providence signals the arrival of autumn with milder temperatures and shorter days compared to August. Although it continues to offer an abundance of sunshine, visible cloud cover increases slightly, resulting in beautiful, picturesque sunsets. The rainfall also sees a significant decrease to just 1.06" (27mm), the lowest of the year. This makes September a suitable time for outdoor activities, without the rush or the sweltering heat of summer months. As the city transitions from the lush green of summer to the golden hues of fall, exploring Providence becomes even more enchanting.Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 72.5°F (22.5°C) from a moderately hot 79.9°F (26.6°C). In the month of September, the average low-temperature usually rests at a moderate 57.2°F (14°C).Humidity
In September, the average relative humidity is 78%.Rainfall
The month with the least rainfall in Providence is September, when the rain falls for 10.7 days and typically collects 1.06" (27mm) of precipitation.Snowfall
June through October are months without snowfall.Ocean temperature
In Providence, in September, the average water temperature is 66.7°F (19.3°C).Note: For most people, a water temperature of 66.7°F (19.3°C) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 69.8°F (21°C).
Daylight
In Providence, the average length of the day in September is 12h and 28min.On the first day of September in Providence, 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
In September, the average sunshine in Providence is 8.7h.UV index
In September, the average daily maximum UV index in Providence is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Providence, RI
- Average high temperature in September: 72.5°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: 57.2°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 (23.5°F).
Average pressure in September
Providence, 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
Providence, RI
- Average wind speed in September: 7.2mph
The windiest months (with the highest average wind speed) are January, February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Providence, 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
Providence, RI
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
Providence, RI
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Providence, RI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Providence, RI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in September
Providence, RI
- Average sea temperature in September: 66.7°F
The best month for swimming (with the highest average sea temperature) is August (69.3°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in September /
Average sunshine in September
Providence, 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 42min
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
Providence, RI
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in September
Providence, 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
Providence, RI
- Average cloud cover in September: 35
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
Providence, 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).
