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
Bonnieville's September weather shows a modest shift in high-temperatures, falling from August's 85.3°F (29.6°C) to a still warm 79.3°F (26.3°C). In Bonnieville, September is marked by an average low-temperature of 60.3°F (15.7°C).Humidity
In Bonnieville, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 14.6 days and accumulates 2.28" (58mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:14 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:27 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Bonnieville is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Bonnieville?
Average temperature in September
Bonnieville, KY
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in September: 60.3°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 (27.7°F).
Average pressure in September
Bonnieville, 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
Bonnieville, 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
Bonnieville, KY
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Bonnieville, KY
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in September
Bonnieville, KY
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
Bonnieville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Bonnieville, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 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
Bonnieville, KY
- Average daylight in September: 12h and 2min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in September
Bonnieville, KY
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Bonnieville, 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
Bonnieville, 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 29).
Average visibility in September
Bonnieville, KY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
Bonnieville, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location