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 is marked by a subtle drop in average high-temperatures, transitioning from a hot 87.4°F (30.8°C) in August to a moderately hot 81.5°F (27.5°C). In Hermitage, an average temperature of 62.8°F (17.1°C) is noted during September nights.Heat index
The heat index in September is calculated to be a hot 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Hermitage, the average relative humidity in September is 74%.Rainfall
In Hermitage, during September, the rain falls for 13.4 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 169.9 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Hermitage, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:31 pm CDT.
Sunshine
In Hermitage, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Hermitage is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake protective steps - Preventing sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the temperature in September in Hermitage?
What is the average humidity in September in Hermitage?
How many days does it rain in September in Hermitage?
When it does not snow in Hermitage?
What is the average length of the day in September in Hermitage?
What time are sunrise and sunset in September in Hermitage?
How long on average sun shines in September in Hermitage?
What is the UV index reading in September in Hermitage?
Average temperature in September
Hermitage, TN
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Hermitage, 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
Hermitage, TN
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Hermitage, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Hermitage, TN
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
Hermitage, TN
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Hermitage, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hermitage, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.7 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
Hermitage, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
Hermitage, TN
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Hermitage, 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
Hermitage, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in September
Hermitage, 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).
Hermitage, Tennessee, USA
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