September weather forecastCummaquid, MA
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Cummaquid, Massachusetts, with an average temperature ranging between max 67.5°F (19.7°C) and min 62.8°F (17.1°C).Temperature
As August transitions into September, the average high-temperature rests at a comfortable 67.5°F (19.7°C), maintaining a close resemblance to the previous month. Cummaquid sees a gentle drop from the daily peak temperature in September, with an average low settling at 62.8°F (17.1°C).Humidity
In Cummaquid, the average relative humidity in September is 79%.Rainfall
In Cummaquid, during September, the rain falls for 9.4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 129.6 rainfall days, and 13.94" (354mm) of precipitation is accumulated.Snowfall
In Cummaquid, snow does not fall in May through November.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:07 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:24 pm EDT.
Sunshine
In Cummaquid, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cummaquid, MA
- Average high temperature in September: 67.5°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in September
Cummaquid, MA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Cummaquid, MA
- Average wind speed in September: 12.4mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in September
Cummaquid, MA
- Average humidity in September: 79%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
Cummaquid, MA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in September
Cummaquid, MA
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Cummaquid, MA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in September
Cummaquid, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 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
Cummaquid, MA
- 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Cummaquid, MA
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in September
Cummaquid, MA
- Average UV index in September: 4
The months with the highest UV index are 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
Cummaquid, MA
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Cummaquid, MA
- 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).





