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 advent of September brings a subtle shift in temperature, with the average high moving from 85.1°F (29.5°C) in August to a still moderately hot 79.7°F (26.5°C). September's nights observe an average temperature of 60.6°F (15.9°C).Humidity
In September, the average relative humidity is 76%.Rainfall
The months with the least rainfall in Rocky Hill are September and November Rain falls for 12.3 days and accumulates 1.34" (34mm) of rain.Snowfall
In Rocky Hill, Kentucky, snow does not fall in May through October.Daylight
In Rocky Hill, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:15 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:28 pm CDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rocky Hill in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Rocky Hill have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Rocky Hill, KY
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in September
Rocky Hill, 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
Rocky Hill, KY
- Average wind speed in September: 5.4mph
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 (5.1mph).
Average humidity in September
Rocky Hill, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Rocky Hill, KY
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is July (2.87").
The driest months (with the least rainfall) are September and November (1.34").
Average rainfall days in September
Rocky Hill, KY
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Rocky Hill, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rocky Hill, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Rocky Hill, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Rocky Hill, KY
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Rocky Hill, 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
Rocky Hill, KY
- Average cloud cover in September: 34
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 31).
Average visibility in September
Rocky Hill, KY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Rocky Hill, Kentucky, USA
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