September weather forecastUpton, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Upton, Kentucky, with an average temperature fluctuating between 59.7°F (15.4°C) and 79.2°F (26.2°C).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 84.9°F (29.4°C) to a still moderately hot 79.2°F (26.2°C). In the month of September, the average temperature in Upton, Kentucky, dips to a mild 59.7°F (15.4°C) during the night.Humidity
In September, the average relative humidity in Upton is 76%.Rainfall
The month with the least rainfall in Upton is September, when the rain falls for 8.5 days and typically collects 0.35" (9mm) of precipitation.Snowfall
In Upton, snow does not fall in April through October.Daylight
In Upton, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:14 am and sunset at 8:12 pm. On the last day of September, in Upton, sunrise is at 7:38 am and sunset at 7:27 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Upton, Kentucky, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Upton, KY
- Average high temperature in September: 79.2°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 (40.3°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Upton, 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
Upton, KY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Upton, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (75%).
Average rainfall in September
Upton, KY
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Upton, KY
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is July (12.2 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in September
Upton, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Upton, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Upton, 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 36min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in September
Upton, KY
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in September
Upton, 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, November and December (UV index 2).
Average cloud cover in September
Upton, KY
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Upton, KY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).





