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's arrival aligns with a minor decrease in average high-temperatures, from August's hot 87.3°F (30.7°C) to a moderately hot 81.5°F (27.5°C). Throughout September, Longwood witnesses a consistent average low-temperature of 62.1°F (16.7°C).Heat index
The average heat index in September is computed to be a hot 86°F (30°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Longwood, the average relative humidity in September is 75%.Rainfall
The months with the least rainfall in Longwood are September and November Rain falls for 13.6 days and accumulates 2.36" (60mm) of rain.Snowfall
In Longwood, snow does not fall in May through September.Daylight
In Longwood, the average length of the day in September is 12h and 23min.On the first day of September in Longwood, sunrise is at 6:20 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:32 pm CDT.
Sunshine
In September, the average sunshine in Longwood is 8.6h.UV index
The average daily maximum UV index in September in Longwood is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the temperature in September in Longwood?
What is the average humidity in September in Longwood?
What is the driest month in Longwood?
How much does it rain in Longwood in September?
When it does not snow in Longwood?
Does it snow in Longwood in September?
How many hours of daylight does Longwood have in September?
What time are sunrise and sunset in September in Longwood?
How many hours of sunshine does Longwood have in September?
What is the UV index reading in September in Longwood?
Average temperature in September
Longwood, TN
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 62.1°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Longwood, 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
Longwood, TN
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Longwood, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in September
Longwood, TN
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is July (4.37").
The driest months (with the least rainfall) are September and November (2.36").
Average rainfall days in September
Longwood, TN
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Longwood, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Longwood, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Longwood, 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 48min).
- Average sunshine in September: 8h and 4min
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 30min).
Average sunshine days in September
Longwood, TN
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Longwood, 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
Longwood, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Longwood, 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).
Longwood, Tennessee, USA
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