September weather forecastHalo, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Halo, Kentucky, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 77.5°F (25.3°C).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from 82.9°F (28.3°C) in August to a still warm 77.5°F (25.3°C). Halo logs a notable disparity from the daily highs during September, as the nighttime temperature lowers to an average of 55.8°F (13.2°C).Humidity
In September, the average relative humidity in Halo is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 16.9 days and accumulates 2.48" (63mm) of precipitation.Snowfall
In Halo, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halo, KY
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Halo, KY
- Average pressure in September: 30.06"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Halo, KY
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Halo, KY
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall in September
Halo, KY
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in September
Halo, KY
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Halo, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Halo, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Halo, KY
- Average daylight in September: 12h and 24min
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 12min
The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Halo, KY
- Average sunshine days in September: 11 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in September
Halo, 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, November and December (UV index 2).
Average cloud cover in September
Halo, KY
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Halo, 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).
