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
September reveals a small adjustment in temperature, transitioning from an average high of a warm 76.6°F (24.8°C) in August to a pleasant 69.6°F (20.9°C). Middlefield experiences an average low-temperature of 51.1°F (10.6°C) in the month of September.Humidity
In Middlefield, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 13.9 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 160.5 rainfall days, and 34.33" (872mm) of precipitation is accumulated.Snowfall
In Middlefield, snow does not fall in June through September.Daylight
In Middlefield, Massachusetts, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:18 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:34 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Middlefield, Massachusetts, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Middlefield have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Middlefield?
What is the UV index intensity in September in Middlefield?
Average temperature in September
Middlefield, MA
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in September
Middlefield, 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
Middlefield, MA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Middlefield, MA
- Average humidity in September: 81%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Middlefield, MA
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in September
Middlefield, MA
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Middlefield, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Middlefield, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Middlefield, MA
- 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 6min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Middlefield, MA
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Middlefield, MA
- Average UV index in September: 3
The months with the highest UV index are 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
Middlefield, MA
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Middlefield, MA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Middlefield, Massachusetts, USA
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