September weather forecastGalewood, TN
September
Weather in September
September, the first month of the autumn in Galewood, is also a moderately hot month, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 60.1°F (15.6°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's tropical 87.1°F (30.6°C) to a moderately hot 81.3°F (27.4°C). Throughout the month of September, the nighttime temperature dips to an average of 60.1°F (15.6°C).Heat index
The heat index in September is estimated at a hot 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September 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, sunrise is at 7:30 am and sunset at 7:20 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Galewood, TN
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Galewood, 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
Galewood, TN
- Average wind speed in September: 3.8mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Galewood, 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
Galewood, TN
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Galewood, TN
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Galewood, TN
- 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
Galewood, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 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
Galewood, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Galewood, TN
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Galewood, 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
Galewood, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Galewood, 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).





