September weather forecastSlabtown, TN
September
Weather in September
September, the first month of the autumn in Slabtown, is still a warm month, with an average temperature ranging between min 59.2°F (15.1°C) and max 79.9°F (26.6°C).Temperature
Slabtown's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 85.6°F (29.8°C) to a still moderately hot 79.9°F (26.6°C). The average low-temperature during September nights is a moderate 59.2°F (15.1°C).Humidity
In Slabtown, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 2.52" (64mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:06 pm. On the last day of September, in Slabtown, sunrise is at 7:33 am and sunset at 7:24 pm EDT.
Sunshine
In Slabtown, the average sunshine in September is 8.5h.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 the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slabtown, TN
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Slabtown, TN
- Average pressure in September: 30.03"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
Slabtown, TN
- Average wind speed in September: 4.2mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in September
Slabtown, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Slabtown, TN
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in September
Slabtown, TN
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Slabtown, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Slabtown, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Slabtown, TN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Slabtown, TN
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (10 days).
Average UV index in September
Slabtown, TN
- 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
Slabtown, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Slabtown, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, October and November (6mi).
The months with the lowest visibility are January, March, May, July, August, September and December (5mi).
