September weather forecastStephensport, KY
September
Weather in September
September, the first month of the autumn in Stephensport, is still a warm month, with an average temperature ranging between max 79.7°F (26.5°C) and min 60.1°F (15.6°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from 85.8°F (29.9°C) in August to a still moderately hot 79.7°F (26.5°C). Stephensport, in the month of September, anticipates a consistent average low-temperature of 60.1°F (15.6°C).Humidity
In Stephensport, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.8 days and typically collects 0.51" (13mm) of precipitation.Snowfall
May through October are months without snowfall in Stephensport.Daylight
In Stephensport, Kentucky, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:16 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:30 pm CDT.
Sunshine
In Stephensport, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. 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
Stephensport, KY
- Average high temperature in September: 79.7°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 (39.7°F).
- Average low temperature in September: 60.1°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 (26.6°F).
Average pressure in September
Stephensport, 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 (29.95"Hg).
Average wind speed in September
Stephensport, KY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Stephensport, KY
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Stephensport, KY
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is April (1.73").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in September
Stephensport, KY
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is October (8.1 days).
Average snowfall in September
Stephensport, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Stephensport, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Stephensport, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 36min
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
Stephensport, KY
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in September
Stephensport, 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
Stephensport, KY
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Stephensport, KY
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).





