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 arrival of September is marked by a minor reduction in average high-temperature, sliding from a hot 88.3°F (31.3°C) in August to a moderately hot 82.6°F (28.1°C). During September, the average low-temperature is a refreshing 63°F (17.2°C).Heat index
September's average heat index is evaluated at a hot 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of 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 especially vital to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In September, the average relative humidity is 75%.Rainfall
The months with the least rainfall in Waynesboro are September and November Rain falls for 14.3 days and accumulates 2.52" (64mm) of rain.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Waynesboro is 12h and 23min.On the first day of September in Waynesboro, sunrise is at 6:24 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 September, the average sunshine is 8.9h.UV index
In Waynesboro, Tennessee, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
How hot is September in Waynesboro?
What is the average humidity in September in Waynesboro?
What is the driest month in Waynesboro?
How many days does it rain in September in Waynesboro?
When it does not snow in Waynesboro?
Does it snow in Waynesboro in September?
What is the average length of the day in September in Waynesboro?
What time are sunrise and sunset in September in Waynesboro?
How long on average sun shines in September in Waynesboro?
How high is the UV index in September in Waynesboro?
Average temperature in September
Waynesboro, TN
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (45.7°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in September
Waynesboro, TN
- Average pressure in September: 30.02"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
Waynesboro, TN
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Waynesboro, 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
Waynesboro, TN
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is February (4.84").
The driest months (with the least rainfall) are September and November (2.52").
Average rainfall days in September
Waynesboro, TN
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Waynesboro, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Waynesboro, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 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
Waynesboro, TN
- Average daylight in September: 12h and 2min
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 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
Waynesboro, TN
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Waynesboro, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Waynesboro, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Waynesboro, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Waynesboro, Tennessee, USA
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