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
Uncasville's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 77.7°F (25.4°C) in August to a pleasant 72°F (22.2°C). September brings an average low-temperature of 59.9°F (15.5°C) to Uncasville.Humidity
In September, the average relative humidity in Uncasville is 78%.Rainfall
The month with the least rainfall in Uncasville is September, when the rain falls for 12 days and typically collects 1.65" (42mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Uncasville is 12h and 28min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:21 pm. On the last day of September, in Uncasville, Connecticut, sunrise is at 6:44 am and sunset at 6:31 pm EDT.
Sunshine
The average sunshine in September in Uncasville is 8.9h.UV index
The average daily maximum UV index in September in Uncasville is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are September temperatures in Uncasville?
What is the average humidity in September in Uncasville?
What is the driest month in Uncasville?
How much does it rain in Uncasville in September?
When it does not snow in Uncasville?
How many hours of daylight does Uncasville have in September?
When is the sunrise / sunset in September in Uncasville?
How long on average sun shines in September in Uncasville?
What is the UV index reading in September in Uncasville?
Average temperature in September
Uncasville, CT
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Uncasville, CT
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Uncasville, CT
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Uncasville, CT
- Average humidity in September: 78%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in September
Uncasville, CT
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Uncasville, CT
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Uncasville, CT
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Uncasville, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.8 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
Uncasville, 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 5min
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 54min).
Average sunshine days in September
Uncasville, CT
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in September
Uncasville, 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
Uncasville, CT
- Average cloud cover in September: 33
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Uncasville, CT
- 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).
Uncasville, Connecticut, USA
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