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
The onset of September manifests an average high-temperature of a warm 82.2°F (27.9°C), demonstrating a minor variation from the preceding month. In September, Harbor Heights experiences a temperature dip to an average of 61.2°F (16.2°C) at night.Heat index
The heat index value for September is calculated to be a tropical 87.8°F (31°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In September, the average relative humidity in Harbor Heights is 75%.Rainfall
The month with the least rainfall in Harbor Heights, Tennessee, is September, when the rain falls for 12.4 days and typically collects 2.48" (63mm) of precipitation.Snowfall
May through October are months without snowfall in Harbor Heights, Tennessee.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:13 am and sunset at 8:07 pm. On the last day of September, in Harbor Heights, Tennessee, sunrise is at 7:35 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during September leads to these advisories:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are September temperatures in Harbor Heights?
What is the average humidity in September in Harbor Heights?
What is the driest month in Harbor Heights?
How many days does it rain in September in Harbor Heights?
When it does not snow in Harbor Heights?
What is the average length of the day in September in Harbor Heights?
When is the sunrise / sunset in September in Harbor Heights?
How many hours of sunshine does Harbor Heights have in September?
What is the UV index reading in September in Harbor Heights?
Average temperature in September
Harbor Heights, TN
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Harbor Heights, 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
Harbor Heights, TN
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in September
Harbor Heights, 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
Harbor Heights, TN
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in September
Harbor Heights, TN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Harbor Heights, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Harbor Heights, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.9 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
Harbor Heights, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Harbor Heights, TN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in September
Harbor Heights, 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 and December (UV index 2).
Average cloud cover in September
Harbor Heights, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Harbor Heights, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Harbor Heights, Tennessee, USA
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