September weather forecastMedford, MA
September
Weather in September
September marks the start of fall in Medford, Massachusetts. This change in season is evident when compared to the summer months, and most notably with temperatures falling from 56.8°F (13.8°C) to a comfortable high of 72.7°F (22.6°C). Autumn signals the arrival of cooler weather, shorter days, and a reduction in rainfall. As Medford moves towards October, the fall season takes a deeper hold, and the city is treated to a natural spectrum of changing leaves and cool, crisp temperatures.Temperature
September signifies a gentle decline in Medford's average high-temperature, easing from a moderately hot 80.6°F (27°C) in August to a pleasant 72.7°F (22.6°C). In Medford, the September nights cool down to an average low of 56.8°F (13.8°C).Humidity
The average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 2.9 days and accumulates 0.08" (2mm) of precipitation.Snowfall
In Medford, snow does not fall in April, June through October.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:27 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Medford, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Medford, MA
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Medford, MA
- 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 (29.92"Hg).
Average wind speed in September
Medford, MA
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Medford, MA
- Average humidity in September: 75%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Medford, MA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is November (0.55").
The driest month (with the least rainfall) is September (0.08").
Average rainfall days in September
Medford, MA
- Average rainfall days in September: 2.9 days
The month with the highest number of rainy days is April (5.3 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in September
Medford, MA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.55").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Medford, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Medford, 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 6min).
- Average sunshine in September: 8h and 30min
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 42min).
Average sunshine days in September
Medford, MA
- Average sunshine days in September: 25.5 days
The month with the most sunshine days is January (27.2 days).
The months with the least sunshine days are June and August (22.9 days).
Average UV index in September
Medford, MA
- 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
Medford, MA
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Medford, 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).
