September weather forecastLenox, MA
September
Weather in September
September, the first month of the autumn in Lenox, is also an agreeable month, with an average temperature varying between 70.2°F (21.2°C) and 50.9°F (10.5°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from a warm 77.4°F (25.2°C) in August to a pleasant 70.2°F (21.2°C). Throughout the month of September, the nighttime temperature dips to an average of 50.9°F (10.5°C).Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.4 days and typically collects 0.35" (9mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:35 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Lenox, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lenox, MA
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in September
Lenox, MA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Lenox, MA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Lenox, MA
- Average humidity in September: 80%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Lenox, MA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (0.83").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Lenox, MA
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Lenox, MA
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lenox, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lenox, 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 months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Lenox, MA
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is June (17.1 days).
Average UV index in September
Lenox, MA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Lenox, MA
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Lenox, MA
- Average visibility in September: 5mi
The months with the highest visibility are April and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and November (5mi).
