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
Ralston's weather, upon September's arrival, documents an average high-temperature of a warm 81.7°F (27.6°C), nearly identical to the prior month. During the nights in September, Ralston experiences a consistent average temperature of 62.4°F (16.9°C).Heat index
The heat index for September is appraised at a hot 86°F (30°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Ralston, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 1.38" (35mm) of precipitation.Snowfall
April through October are months without snowfall in Ralston, Tennessee.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:27 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:39 pm CDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the average September temperature in Ralston?
What is the average humidity in September in Ralston?
What is the driest month in Ralston?
How many days does it rain in September in Ralston?
When it does not snow in Ralston?
What is the average length of the day in September in Ralston?
When are sunrise and sunset in September in Ralston?
How long on average sun shines in September in Ralston?
How high is the UV index in September in Ralston?
Average temperature in September
Ralston, TN
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in September
Ralston, 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 (29.95"Hg).
Average wind speed in September
Ralston, TN
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Ralston, TN
- Average humidity in September: 73%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Ralston, TN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in September
Ralston, TN
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Ralston, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ralston, TN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.4 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
Ralston, 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 42min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Ralston, TN
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Ralston, 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 February and December (UV index 2).
Average cloud cover in September
Ralston, TN
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Ralston, 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).
Ralston, Tennessee, USA
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