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
At the start of September, Smithville's average high-temperature reaches a still moderately hot 80.6°F (27°C), subtly different from the preceding month. In the month of September, the average temperature in Smithville, Tennessee, dips to a refreshing 60.3°F (15.7°C) during the night.Heat index
The heat index for September is evaluated at 84.2°F (29°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In Smithville, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 15.1 days and accumulates 2.64" (67mm) of precipitation.Snowfall
In Smithville, snow does not fall in May through October.Daylight
In Smithville, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:10 pm. On the last day of September, in Smithville, sunrise is at 6:38 am and sunset at 6:27 pm CDT.
Sunshine
In Smithville, the average sunshine in September is 8.3h.UV index
In Smithville, Tennessee, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the average September temperature in Smithville?
What is the average humidity in September in Smithville?
What is the driest month in Smithville?
How many days does it rain in September in Smithville?
When it does not snow in Smithville?
How many hours of daylight does Smithville have in September?
When is the sunrise / sunset in September in Smithville?
How long on average sun shines in September in Smithville?
How high is the UV index in September in Smithville?
Average temperature in September
Smithville, TN
- Average high temperature in September: 80.6°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 (44.4°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Smithville, 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
Smithville, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Smithville, 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
Smithville, TN
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is July (4.96").
The driest month (with the least rainfall) is September (2.64").
Average rainfall days in September
Smithville, TN
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Smithville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Smithville, TN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (5.6 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
Smithville, 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 2min
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 18min).
Average sunshine days in September
Smithville, TN
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (8 days).
Average UV index in September
Smithville, 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
Smithville, TN
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Smithville, TN
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, July, August and September (5mi).
Smithville, Tennessee, USA
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