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 results in a small decrease in the average high-temperature, moderately receding from a hot 88°F (31.1°C) in August to a warm 82°F (27.8°C). September nights bring a significant cooling from the heat of the day, with averages of 60.4°F (15.8°C).Heat index
The heat index value for September is computed to be a tropical 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 0.98" (25mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September in Spindale, sunrise is at 7:00 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:12 pm EDT.
Sunshine
In September, the average sunshine in Spindale, North Carolina, is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are September temperatures in Spindale?
What is the average humidity in September in Spindale?
What is the driest month in Spindale?
How many days does it rain in September in Spindale?
When it does not snow in Spindale?
What is the average length of the day in September in Spindale?
What time are sunrise and sunset in September in Spindale?
How long on average sun shines in September in Spindale?
What is the UV index reading in September in Spindale?
Average temperature in September
Spindale, NC
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in September
Spindale, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Spindale, NC
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Spindale, NC
- Average humidity in September: 73%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Spindale, NC
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in September
Spindale, NC
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is October (8.1 days).
Average snowfall in September
Spindale, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Spindale, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Spindale, NC
- 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 months with the most sunshine are June and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Spindale, NC
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Spindale, NC
- 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
Spindale, NC
- Average cloud cover in September: 31
The months with the most cloud cover are February, March and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Spindale, NC
- 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).
Spindale, North Carolina, USA
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