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
Cumberland, Rhode Island, experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 80.4°F (26.9°C) in August to a pleasant 72.9°F (22.7°C). In Cumberland, an average nighttime temperature of 55.9°F (13.3°C) is expected during September.Humidity
February, June, September and October, with an average relative humidity of 78%, are the most humid months in Cumberland.Rainfall
The month with the least rainfall is September, when the rain falls for 10.3 days and typically collects 1.06" (27mm) of precipitation.Snowfall
In Cumberland, Rhode Island, snow does not fall in June through September.Daylight
In September, the average length of the day in Cumberland 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 Cumberland, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the temperature in September in Cumberland?
What are the most humid months in Cumberland?
What is the average humidity in September in Cumberland?
What is the driest month in Cumberland?
How much does it rain in Cumberland in September?
When it does not snow in Cumberland?
Does it snow in Cumberland in September?
What is the average length of the day in September in Cumberland?
When are sunrise and sunset in September in Cumberland?
How long on average sun shines in September in Cumberland?
What is the UV index reading in September in Cumberland?
Average temperature in September
Cumberland, RI
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Cumberland, 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
Cumberland, RI
- Average wind speed in September: 6.7mph
The windiest months (with the highest average wind speed) are February and March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Cumberland, RI
- Average humidity in September: 78%
The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Cumberland, RI
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
Cumberland, RI
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Cumberland, RI
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cumberland, RI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cumberland, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Cumberland, RI
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in September
Cumberland, 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
Cumberland, RI
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Cumberland, RI
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).
Cumberland, Rhode Island, USA
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