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
La Grange starts September with an average high-temperature of a moderately hot 83.3°F (28.5°C), hinting at a minimal fluctuation from August. An average minimum temperature of 64°F (17.8°C) marks the month of September.Heat index
September's heat index is appraised at a hot 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In La Grange, the average relative humidity in September is 73%.Rainfall
The months with the least rainfall are September and November Rain falls for 10.8 days and accumulates 0.75" (19mm) of rain.Snowfall
In La Grange, snow does not fall in April through October.Daylight
In La Grange, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:41 pm CDT.
Sunshine
The average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the UV index of 5 transforms into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during 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?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in La Grange?
What is the UV index reading in September?
Average temperature in September
La Grange, TN
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in September
La Grange, TN
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
La Grange, TN
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
La Grange, TN
- Average humidity in September: 73%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
La Grange, TN
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is July (1.89").
The driest months (with the least rainfall) are September and November (0.75").
Average rainfall days in September
La Grange, TN
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
La Grange, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
La Grange, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
La Grange, 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: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
La Grange, TN
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
La Grange, TN
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
La Grange, TN
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
La Grange, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
La Grange, Tennessee, USA
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