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
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 85.8°F (29.9°C) in August to a still warm 79°F (26.1°C). Louisville, in September, observes a steady average low-temperature of 59.7°F (15.4°C).Humidity
In September, the average relative humidity is 71%.Rainfall
In Louisville, in September, during 12.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Louisville, during the entire year, the rain falls for 123.7 days and collects up to 24.37" (619mm) of precipitation.Snowfall
In Louisville, Kansas, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:08 pm CDT.
Sunshine
In Louisville, the average sunshine in September is 9h.UV index
In Louisville, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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?
How many days does it rain in September in Louisville?
When it does not snow?
Does it snow in September?
How many hours of daylight does Louisville have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Louisville have in September?
How high is the UV index in September?
Average temperature in September
Louisville, KS
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Louisville, KS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Louisville, KS
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).
Average humidity in September
Louisville, KS
- Average humidity in September: 71%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Louisville, KS
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in September
Louisville, KS
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Louisville, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Louisville, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 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
Louisville, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Louisville, KS
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (13 days).
Average UV index in September
Louisville, KS
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Louisville, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June, July and August (Cloud cover 24).
Average visibility in September
Louisville, KS
- 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).
Louisville, Kansas, USA
Weather forecast for your location
2. Allow the app to use your location