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 signifies a minor drop in average high-temperature, transitioning from 80.8°F (27.1°C) in August to a still moderately hot 73.6°F (23.1°C). Middlefield's nights in September experience an average temperature drop to a refreshing 56.3°F (13.5°C).Humidity
The average relative humidity in September in Middlefield is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 8.5 days and accumulates 0.55" (14mm) of precipitation.Snowfall
In Middlefield, snow does not fall in June through October.Daylight
In Middlefield, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:17 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:33 pm EDT.
Sunshine
In Middlefield, Connecticut, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Middlefield is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 4 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the temperature in September in Middlefield?
What is the average humidity in September in Middlefield?
What is the driest month in Middlefield?
How many days does it rain in September in Middlefield?
When it does not snow in Middlefield?
What is the average length of the day in September in Middlefield?
When is the sunrise / sunset in September in Middlefield?
How long on average sun shines in September in Middlefield?
How high is the UV index in September in Middlefield?
Average temperature in September
Middlefield, CT
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Middlefield, CT
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Middlefield, CT
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Middlefield, CT
- Average humidity in September: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Middlefield, CT
- Average rainfall in September: 0.55"
The wettest months (with the highest rainfall) are July and December (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in September
Middlefield, CT
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
Middlefield, CT
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Middlefield, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 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
Middlefield, CT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Middlefield, CT
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (15.3 days).
Average UV index in September
Middlefield, CT
- 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
Middlefield, CT
- Average cloud cover in September: 38
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Middlefield, CT
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June and July (5mi).
Middlefield, Connecticut, USA
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