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
Hartford's September weather features a light decline in high-temperatures, reducing from 85.3°F (29.6°C) in August to a still moderately hot 79.9°F (26.6°C). Hartford anticipates a considerable daily temperature fluctuation in September, with low temperatures averaging a mild 57.2°F (14°C).Humidity
The average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall in Hartford, Tennessee. Rain falls for 11.6 days and accumulates 1.42" (36mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:05 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Hartford have in September?
When is the sunrise / sunset in September in Hartford?
How many hours of sunshine does Hartford have in September?
What is the UV index intensity in September?
Average temperature in September
Hartford, TN
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Hartford, TN
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Hartford, TN
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Hartford, TN
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in September
Hartford, TN
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is February (2.87").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Hartford, TN
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Hartford, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hartford, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hartford, TN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Hartford, TN
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
Hartford, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Hartford, TN
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Hartford, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Hartford, Tennessee, USA
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