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
Annville's weather subtly changes with the onset of September, barely falling from a moderately hot 85.1°F (29.5°C) in August to a still warm 79°F (26.1°C). Despite the drastic temperature difference, Annville records an average nighttime low of 57.2°F (14°C) throughout September.Humidity
The months with the lowest humidity in Annville, Kentucky, are April, June, August through November, with an average relative humidity of 76%.Rainfall
The month with the least rainfall in Annville is September, when the rain falls for 13.1 days and typically collects 1.81" (46mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Annville, sunrise is at 7:07 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:20 pm EDT.
Sunshine
In Annville, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Annville is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Annville in September?
What are the least humid months in Annville?
What is the average humidity in September in Annville?
What is the driest month in Annville?
How much does it rain in Annville in September?
When it does not snow in Annville?
Does it snow in Annville in September?
How many hours of daylight does Annville have in September?
When is the sunrise / sunset in September in Annville?
How many hours of sunshine does Annville have in September?
How high is the UV index in September in Annville?
Average temperature in September
Annville, KY
- Average high temperature in September: 79°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°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Annville, KY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Annville, KY
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Annville, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April, June, August, September, October and November (76%).
Average rainfall in September
Annville, KY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Annville, KY
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (11 days).
Average snowfall in September
Annville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Annville, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Annville, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Annville, KY
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Annville, KY
- Average UV index in September: 4
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
Annville, KY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Annville, KY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Annville, Kentucky, USA
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