Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a hot 87.4°F (30.8°C) in August to a moderately hot 81.5°F (27.5°C). Throughout September, the average low-temperature in McEwen records at a comfortable 61.7°F (16.5°C).Heat index
For September, the heat index is estimated at a tropical 86°F (30°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In September, the average relative humidity is 75%.Rainfall
The month with the least rainfall in McEwen is September, when the rain falls for 13 days and typically collects 1.73" (44mm) of precipitation.Snowfall
May through September are months without snowfall in McEwen, Tennessee.Daylight
In McEwen, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:22 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:35 pm CDT.
Sunshine
In McEwen, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the usual temperature for McEwen in September?
What is the average humidity in September in McEwen?
What is the driest month in McEwen?
How many days does it rain in September in McEwen?
When it does not snow in McEwen?
Does it snow in McEwen in September?
What is the average length of the day in September in McEwen?
When is the sunrise / sunset in September in McEwen?
How many hours of sunshine does McEwen have in September?
What is the UV index reading in September in McEwen?
Average temperature in September
McEwen, 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 (43.9°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
McEwen, 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 (29.96"Hg).
Average wind speed in September
McEwen, TN
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
McEwen, TN
- Average humidity in September: 75%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
McEwen, TN
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
McEwen, TN
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
McEwen, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
McEwen, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 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
McEwen, TN
- Average daylight in September: 12h and 2min
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 5min
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 36min).
Average sunshine days in September
McEwen, TN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10 days).
Average UV index in September
McEwen, 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
McEwen, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
McEwen, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
McEwen, Tennessee, USA
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