September weather forecastMcGowan, KY
September
Weather in September
September, the first month of the autumn in McGowan, is still a warm month, with an average temperature ranging between max 80.4°F (26.9°C) and min 61.5°F (16.4°C).Temperature
In McGowan, the average high-temperature in September slightly decreases from a hot 86.2°F (30.1°C) in August to a warm 80.4°F (26.9°C). An average nighttime temperature of 61.5°F (16.4°C) is noted during the month of September.Humidity
In September, the average relative humidity is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 2.05" (52mm) of precipitation.Snowfall
In McGowan, snow does not fall in May through September.Daylight
In McGowan, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:22 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:35 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McGowan, KY
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in September
McGowan, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
McGowan, KY
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
McGowan, 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
McGowan, KY
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
McGowan, KY
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
McGowan, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
McGowan, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 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
McGowan, 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 42min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
McGowan, KY
- Average sunshine days in September: 14 days
The months with the most sunshine days are October and November (18.3 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
McGowan, 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
McGowan, KY
- Average cloud cover in September: 28
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in September
McGowan, 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).





