September weather forecastBrentwood Station, TN
September
Weather in September
September, the first month of the autumn in Brentwood Station, is also a moderately hot month, with an average temperature fluctuating between 81.5°F (27.5°C) and 62.2°F (16.8°C).Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a hot 87.4°F (30.8°C) to a moderately hot 81.5°F (27.5°C). Brentwood Station's temperature tends to fall to an average low of 62.2°F (16.8°C) during the nights of September.Heat index
September's average heat index is computed to be a tropical 86°F (30°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In Brentwood Station, the average relative humidity in September is 74%.Rainfall
In Brentwood Station, in September, during 13.6 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 166.2 rainfall days, and 33.86" (860mm) of precipitation is accumulated.Snowfall
In Brentwood Station, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:31 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brentwood Station, TN
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Brentwood Station, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Brentwood Station, TN
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Brentwood Station, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June and October (73%).
Average rainfall in September
Brentwood Station, TN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in September
Brentwood Station, TN
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Brentwood Station, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Brentwood Station, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Brentwood Station, TN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
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 February (Average sunshine: 4h and 30min).
Average sunshine days in September
Brentwood Station, TN
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Brentwood Station, 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
Brentwood Station, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Brentwood Station, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
