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 signifies a gentle decline in Richardsville's average high-temperature, easing from 85.6°F (29.8°C) in August to a still warm 80.1°F (26.7°C). During September, an average low-temperature of 61°F (16.1°C) is observed in Richardsville.Humidity
In September, the average relative humidity is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.18" (30mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Richardsville is 12h and 25min.On the first day of September, sunrise is at 6:17 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September in Richardsville is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are September temperatures in Richardsville?
What is the average humidity in September in Richardsville?
What is the driest month in Richardsville?
How many days does it rain in September in Richardsville?
When it does not snow in Richardsville?
How many hours of daylight does Richardsville have in September?
What time are sunrise and sunset in September in Richardsville?
How many hours of sunshine does Richardsville have in September?
What is the UV index reading in September in Richardsville?
Average temperature in September
Richardsville, KY
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Richardsville, 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
Richardsville, KY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Richardsville, KY
- Average humidity in September: 75%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Richardsville, KY
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in September
Richardsville, KY
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
Richardsville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Richardsville, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Richardsville, 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 4min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Richardsville, KY
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Richardsville, 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
Richardsville, KY
- Average cloud cover in September: 32
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Richardsville, 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).
Richardsville, Kentucky, USA
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