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
With the onset of September, Granville experiences a modest temperature adjustment, with the average high-temperature gently receding from a hot 86°F (30°C) in August to a warm 80.6°F (27°C). An average nighttime temperature of 60.6°F (15.9°C) is observed during September.Heat index
For most parts of September, the heat index is appraised at 84.2°F (29°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall in Granville. Rain falls for 14 days and accumulates 2.32" (59mm) of precipitation.Snowfall
In Granville, snow does not fall in May through October.Daylight
The average length of the day in September in Granville is 12h and 24min.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 Granville, sunrise is at 6:38 am and sunset at 6:27 pm CDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Granville, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are September temperatures in Granville?
What is the average humidity in September in Granville?
What is the driest month in Granville?
How much does it rain in Granville in September?
When it does not snow in Granville?
How many hours of daylight does Granville have in September?
When is the sunrise / sunset in September in Granville?
How long on average sun shines in September in Granville?
How high is the UV index in September in Granville?
Average temperature in September
Granville, TN
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Granville, 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
Granville, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Granville, 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
Granville, TN
- Average rainfall in September: 2.32"
The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in September
Granville, TN
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in September
Granville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Granville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 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
Granville, 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: 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
Granville, TN
- Average sunshine days in September: 14.6 days
The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).
Average UV index in September
Granville, 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
Granville, 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
Granville, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
Granville, Tennessee, USA
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