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
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 79.7°F (26.5°C) in August to an agreeable 72.3°F (22.4°C). Throughout September, the average low-temperature dips to a fresh 54.1°F (12.3°C).Humidity
The average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Litchfield, Connecticut, is September, when the rain falls for 13.5 days and typically collects 2.24" (57mm) of precipitation.Snowfall
In Litchfield, Connecticut, snow does not fall in June through September.Daylight
In Litchfield, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:19 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:35 pm EDT.
Sunshine
In Litchfield, the average sunshine in September is 8.5h.UV index
In Litchfield, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are September temperatures in Litchfield?
What is the average humidity in September in Litchfield?
What is the driest month in Litchfield?
How many days does it rain in September in Litchfield?
When it does not snow in Litchfield?
Does it snow in Litchfield in September?
How many hours of daylight does Litchfield have in September?
When are sunrise and sunset in September in Litchfield?
How long on average sun shines in September in Litchfield?
What is the UV index reading in September in Litchfield?
Average temperature in September
Litchfield, CT
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Litchfield, CT
- 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 (29.93"Hg).
Average wind speed in September
Litchfield, CT
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Litchfield, CT
- Average humidity in September: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Litchfield, CT
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is December (3.62").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in September
Litchfield, CT
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is June (17.7 days).
The months with the least rainy days are January and February (8.1 days).
Average snowfall in September
Litchfield, CT
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Litchfield, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Litchfield, CT
- 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 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Litchfield, CT
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Litchfield, CT
- Average UV index in September: 4
The months with the highest UV index are June and July (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
Litchfield, CT
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Litchfield, CT
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Litchfield, Connecticut, USA
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