September weather forecastSagamore, MA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Sagamore, Massachusetts, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 68.2°F (20.1°C).Temperature
September ushers in a minor alteration in Sagamore's climate, with the average high-temperature moving from August's warm 73.8°F (23.2°C) to an agreeable 68.2°F (20.1°C). The September nights show a slight decrease to a mean low-temperature of 61.7°F (16.5°C).Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in Sagamore, there are 138.1 rainfall days, and 18.74" (476mm) of precipitation is accumulated.Snowfall
In Sagamore, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:25 pm EDT.
Sunshine
In Sagamore, Massachusetts, the average sunshine in September is 8.7h.UV index
In Sagamore, Massachusetts, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Act with care - The need to guard against sun damage is communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sagamore, MA
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 61.7°F
The months with the highest average low temperature are July and August (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Sagamore, 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
Sagamore, MA
- Average wind speed in September: 11.4mph
The windiest month (with the highest average wind speed) is January (15.2mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).
Average humidity in September
Sagamore, MA
- Average humidity in September: 79%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
Sagamore, MA
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is October (2.2").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in September
Sagamore, MA
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Sagamore, MA
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Sagamore, MA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (5.5 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
Sagamore, 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 42min
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 36min).
Average sunshine days in September
Sagamore, MA
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is December (17.6 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in September
Sagamore, MA
- Average UV index in September: 4
The month with the highest UV index is July (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
Sagamore, MA
- Average cloud cover in September: 32
The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Sagamore, 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).
