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
The onset of September is marked by a minor decrease in temperature, transitioning from 84.9°F (29.4°C) in August to a still moderately hot 79°F (26.1°C). In the month of September, Columbia's average low-temperature falls to a refreshing 59.5°F (15.3°C).Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 14 days and typically collects 2.36" (60mm) of precipitation.Snowfall
In Columbia, snow does not fall in May through September.Daylight
In Columbia, Kentucky, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:09 pm. On the last day of September, in Columbia, Kentucky, sunrise is at 6:36 am and sunset at 6:25 pm CDT.
Sunshine
In Columbia, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the average September temperature in Columbia?
What is the average humidity in September in Columbia?
What is the driest month in Columbia?
How many days does it rain in September in Columbia?
When it does not snow in Columbia?
Does it snow in Columbia in September?
What is the average length of the day in September in Columbia?
What time are sunrise and sunset in September in Columbia?
How many hours of sunshine does Columbia have in September?
How high is the UV index in September in Columbia?
Average temperature in September
Columbia, KY
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Columbia, 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
Columbia, KY
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Columbia, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Columbia, KY
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in September
Columbia, KY
- Average rainfall days in September: 14 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Columbia, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Columbia, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.4 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
Columbia, 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 42min).
- Average sunshine in September: 8h and 2min
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 12min).
Average sunshine days in September
Columbia, KY
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Columbia, 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
Columbia, KY
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Columbia, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Columbia, Kentucky, USA
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