September weather forecastHopkinsville, KY
September
Weather in September
The arrival of September in Hopkinsville, Kentucky brings back the refreshing autumn breeze. Average high temperatures go down to around 80.4°F (26.9°C). Rainfall is relatively less compared to August, with September receiving approximately 1.54" (39mm) of precipitation over 12 days. Moving past the hot August climate, the decrease in temperature provides noticeable relief. Days start to short, yet the hours of sunshine and the temperature remains sufficiently comfortable for outdoor pursuits, marking the beginning of the fall season.Temperature
Hopkinsville in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 85.8°F (29.9°C) to a still warm 80.4°F (26.9°C). Hopkinsville in September experiences a low-temperature average of 61.3°F (16.3°C).Humidity
In Hopkinsville, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 155.9 rainfall days, and 26.38" (670mm) of precipitation is accumulated.Snowfall
In Hopkinsville, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:21 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:34 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hopkinsville, KY
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Hopkinsville, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Hopkinsville, KY
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are February and April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in September
Hopkinsville, KY
- Average humidity in September: 74%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Hopkinsville, KY
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is February (2.87").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in September
Hopkinsville, KY
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Hopkinsville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hopkinsville, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 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
Hopkinsville, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Hopkinsville, KY
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Hopkinsville, 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
Hopkinsville, KY
- Average cloud cover in September: 30
The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Hopkinsville, KY
- 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).
