September weather forecastCullen, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Cullen, Kentucky, with an average temperature fluctuating between 80.1°F (26.7°C) and 60.8°F (16°C).Temperature
At the onset of September, Cullen records an average high-temperature of a still warm 80.1°F (26.7°C), showing little deviation from the preceding month. Cullen, during September nights, observes an average temperature of 60.8°F (16°C).Humidity
In Cullen, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 9.8 days and accumulates 0.91" (23mm) of precipitation.Snowfall
In Cullen, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:35 pm CDT.
Sunshine
The average sunshine in September is 9.1h.UV index
In Cullen, Kentucky, 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: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cullen, KY
- Average high temperature in September: 80.1°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 (40.1°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in September
Cullen, 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 (29.95"Hg).
Average wind speed in September
Cullen, KY
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Cullen, KY
- Average humidity in September: 73%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Cullen, KY
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in September
Cullen, KY
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Cullen, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Cullen, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 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
Cullen, 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: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Cullen, KY
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in September
Cullen, 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
Cullen, KY
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Cullen, 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).





