September weather forecastWestmoreland Heights, TN
September
Weather in September
September, the first month of the autumn in Westmoreland Heights, is also a moderately hot month, with an average temperature ranging between min 59.9°F (15.5°C) and max 81.1°F (27.3°C).Temperature
Westmoreland Heights, Tennessee, observes a small decrease in the average high-temperature with the arrival of September, falling from August's tropical 86.7°F (30.4°C) to a warm 81.1°F (27.3°C). Westmoreland Heights records a consistent low-temperature of 59.9°F (15.5°C) during September nights.Heat index
For most parts of September, the heat index is calculated to be a hot 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The average relative humidity in September in Westmoreland Heights, Tennessee, is 74%.Rainfall
In Westmoreland Heights, Tennessee, during September, the rain falls for 11.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Westmoreland Heights, during the entire year, the rain falls for 149 days and collects up to 18.74" (476mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
In September, the average length of the day in Westmoreland Heights is 12h and 23min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:03 pm. On the last day of September, in Westmoreland Heights, sunrise is at 7:30 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Westmoreland Heights, TN
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Westmoreland Heights, TN
- Average pressure in September: 30.04"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
Westmoreland Heights, TN
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Westmoreland Heights, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Westmoreland Heights, TN
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is October (1.18").
Average rainfall days in September
Westmoreland Heights, TN
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Westmoreland Heights, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Westmoreland Heights, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 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
Westmoreland Heights, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Westmoreland Heights, TN
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index in September
Westmoreland Heights, 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
Westmoreland Heights, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Westmoreland Heights, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
