September weather forecastLeon, KY
September
Weather in September
September, the first month of the autumn in Leon, is also a moderately hot month, with an average temperature ranging between min 57.4°F (14.1°C) and max 79.3°F (26.3°C).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 85.6°F (29.8°C) to a still warm 79.3°F (26.3°C). Leon's average low-temperature of 57.4°F (14.1°C) in September reflects a significant disparity from the daytime highs.Humidity
The average relative humidity in September in Leon is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.Snowfall
In Leon, snow does not fall in May through September.Daylight
In Leon, the average length of the day in September is 12h and 25min.On the first day of September in Leon, sunrise is at 7:02 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:15 pm EDT.
Sunshine
In Leon, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leon, KY
- Average high temperature in September: 79.3°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 (38.8°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Leon, KY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Leon, KY
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Leon, KY
- Average humidity in September: 75%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Leon, KY
- Average rainfall in September: 1.89"
The wettest months (with the highest rainfall) are April and December (3.07").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Leon, KY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in September
Leon, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Leon, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 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
Leon, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Leon, KY
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Leon, 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, November and December (UV index 2).
Average cloud cover in September
Leon, KY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Leon, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
