September weather forecastBig Spring, KY
September
Weather in September
September, the first month of the autumn in Big Spring, is still a warm month, with an average temperature ranging between min 59.9°F (15.5°C) and max 79.7°F (26.5°C).Temperature
The average high-temperature shows a slight dip in September, from August's tropical 86°F (30°C) to a moderately hot 79.7°F (26.5°C). In Big Spring, an average temperature of 59.9°F (15.5°C) is noted during September nights.Humidity
The months with the lowest humidity in Big Spring, Kentucky, are August through October, with an average relative humidity of 74%.Rainfall
September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 2.09" (53mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Big Spring, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:15 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:28 pm CDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Big Spring, KY
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Big Spring, 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
Big Spring, KY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Big Spring, KY
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in September
Big Spring, KY
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in September
Big Spring, KY
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (18.5 days).
The months with the least rainy days are January, February and November (10.6 days).
Average snowfall in September
Big Spring, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Big Spring, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 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
Big Spring, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Big Spring, KY
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Big Spring, 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
Big Spring, KY
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Big Spring, KY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).
