September weather forecastLeander, KY
September
Weather in September
September, the first month of the autumn in Leander, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 57.4°F (14.1°C).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's 85.8°F (29.9°C) to a still moderately hot 79.3°F (26.3°C). Despite the stark contrast with daytime temperatures, Leander's September nights average at a refreshing 57.4°F (14.1°C).Humidity
In Leander, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 13 days and typically collects 1.77" (45mm) of precipitation.Snowfall
In Leander, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Leander, sunrise is at 7:02 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.
Sunshine
In Leander, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leander, 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 (40.3°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Leander, KY
- Average pressure in September: 30.05"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
Leander, KY
- Average wind speed in September: 4.4mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Leander, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Leander, KY
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Leander, KY
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
Leander, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Leander, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Leander, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Leander, KY
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Leander, 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
Leander, KY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Leander, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
