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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 85.6°F (29.8°C) to a still warm 79.9°F (26.6°C). September's average low-temperature reading settles at an enjoyable 61.2°F (16.2°C).Humidity
The average relative humidity in September in Coffman is 74%.Rainfall
September is the month with the least rainfall in Coffman, Kentucky. Rain falls for 7.7 days and accumulates 0.35" (9mm) of precipitation.Snowfall
In Coffman, snow does not fall in May through October.Daylight
In September, the average length of the day in Coffman is 12h and 25min.On the first day of September in Coffman, sunrise is at 6:19 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:32 pm CDT.
Sunshine
In Coffman, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the usual temperature for Coffman in September?
What is the average humidity in September in Coffman?
What is the driest month in Coffman?
How much does it rain in Coffman in September?
When it does not snow in Coffman?
What is the average length of the day in September in Coffman?
When is the sunrise / sunset in September in Coffman?
How many hours of sunshine does Coffman have in September?
What is the UV index intensity in September in Coffman?
Average temperature in September
Coffman, KY
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Coffman, 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
Coffman, KY
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in September
Coffman, KY
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Coffman, KY
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is February (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Coffman, KY
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is July (13.1 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in September
Coffman, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Coffman, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Coffman, 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 4min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Coffman, KY
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in September
Coffman, 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
Coffman, KY
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Coffman, 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).
Coffman, Kentucky, USA
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