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
September's arrival aligns with a minor decrease in average high-temperatures, from August's tropical 86°F (30°C) to a warm 79.5°F (26.4°C). September's average low-temperature reading settles at a moderate 60.1°F (15.6°C).Humidity
The average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall in Richlawn. Rain falls for 8.5 days and accumulates 0.43" (11mm) of precipitation.Snowfall
In Richlawn, snow does not fall in May through October.Daylight
In Richlawn, the average length of the day in September is 12h and 25min.On the first day of September in Richlawn, Kentucky, sunrise is at 7:12 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:26 pm EDT.
Sunshine
The average sunshine in September in Richlawn is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are September temperatures in Richlawn?
What is the average humidity in September in Richlawn?
What is the driest month in Richlawn?
How much does it rain in Richlawn in September?
When it does not snow in Richlawn?
How many hours of daylight does Richlawn have in September?
When is the sunrise / sunset in September in Richlawn?
How long on average sun shines in September in Richlawn?
What is the UV index reading in September in Richlawn?
Average temperature in September
Richlawn, KY
- Average high temperature in September: 79.5°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°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Richlawn, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Richlawn, KY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Richlawn, KY
- Average humidity in September: 73%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Richlawn, KY
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in September
Richlawn, KY
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Richlawn, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Richlawn, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6 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
Richlawn, KY
- Average daylight in September: 12h and 2min
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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in September
Richlawn, KY
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Richlawn, 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, November and December (UV index 2).
Average cloud cover in September
Richlawn, KY
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Richlawn, KY
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Richlawn, Kentucky, USA
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