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
September experiences an average high-temperature of a moderately hot 81.5°F (27.5°C), barely different from August's 86.7°F (30.4°C). Kelso, during the month of September, experiences an average low-temperature of 62.1°F (16.7°C).Heat index
The heat index value for September is evaluated at a hot 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Note that heat index values are valued for light wind and location in the shade. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 2.05" (52mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Kelso have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Kelso, TN
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in September: 62.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Kelso, 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 (29.98"Hg).
Average wind speed in September
Kelso, TN
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Kelso, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Kelso, TN
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Kelso, TN
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Kelso, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Kelso, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Kelso, 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 4min
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
Kelso, TN
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Kelso, 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
Kelso, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Kelso, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Kelso, Tennessee, USA
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