September weather forecastGoodnight, KY
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Goodnight, Kentucky, with an average temperature ranging between max 79.5°F (26.4°C) and min 60.4°F (15.8°C).Temperature
Goodnight observes a small decrease in the average high-temperature with the arrival of September, falling from August's 85.3°F (29.6°C) to a still moderately hot 79.5°F (26.4°C). Nightly temperatures drop to an average low of 60.4°F (15.8°C) in September.Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 2.05" (52mm) of precipitation.Snowfall
In Goodnight, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:27 pm CDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index in Goodnight is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Goodnight, KY
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Goodnight, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Goodnight, KY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Goodnight, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Goodnight, KY
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Goodnight, KY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Goodnight, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Goodnight, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.4 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
Goodnight, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in September
Goodnight, KY
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Goodnight, KY
- 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
Goodnight, KY
- Average cloud cover in September: 32
The months with the most cloud cover are January and February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Goodnight, KY
- 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).





