September weather forecastArjay, KY
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Arjay, Kentucky, with an average temperature varying between 78.4°F (25.8°C) and 56.7°F (13.7°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's 84.7°F (29.3°C) to a still warm 78.4°F (25.8°C). Arjay sees a consistent average low-temperature of 56.7°F (13.7°C) in September, indicating a substantial decrease from the day's temperature.Humidity
The months with the lowest humidity in Arjay are April, June through September and November, with an average relative humidity of 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 14 days and typically collects 2.2" (56mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Arjay, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 7:06 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Arjay, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arjay, KY
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Arjay, 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
Arjay, KY
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Arjay, KY
- Average humidity in September: 77%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, June, July, August, September and November (77%).
Average rainfall in September
Arjay, KY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Arjay, KY
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in September
Arjay, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Arjay, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.5 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
Arjay, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 24min
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 18min).
Average sunshine days in September
Arjay, KY
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Arjay, 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
Arjay, 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 32).
Average visibility in September
Arjay, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
