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 aligns with a soft reduction in the average high-temperature, gently falling from a hot 87.8°F (31°C) in August to a warm 81.5°F (27.5°C). During the September nights, an average temperature of 61.9°F (16.6°C) is observed in Prospect Hill.Heat index
The heat index value during September is estimated at a tropical 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In September, the average relative humidity is 74%.Rainfall
The month with the least rainfall in Prospect Hill, North Carolina, is September, when the rain falls for 12.6 days and typically collects 1.81" (46mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Prospect Hill is 12h and 24min.On the first day of September in Prospect Hill, sunrise is at 6:48 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:01 pm EDT.
Sunshine
In Prospect Hill, North Carolina, the average sunshine in September is 8.7h.UV index
In Prospect Hill, North Carolina, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the average September temperature in Prospect Hill?
What is the average humidity in September in Prospect Hill?
What is the driest month in Prospect Hill?
How much does it rain in Prospect Hill in September?
When it does not snow in Prospect Hill?
What is the average length of the day in September in Prospect Hill?
When are sunrise and sunset in September in Prospect Hill?
How many hours of sunshine does Prospect Hill have in September?
How high is the UV index in September in Prospect Hill?
Average temperature in September
Prospect Hill, NC
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Prospect Hill, NC
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Prospect Hill, NC
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Prospect Hill, NC
- Average humidity in September: 74%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Prospect Hill, NC
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Prospect Hill, NC
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Prospect Hill, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Prospect Hill, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Prospect Hill, NC
- 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 July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Prospect Hill, NC
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Prospect Hill, NC
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Prospect Hill, NC
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Prospect Hill, 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).
Prospect Hill, North Carolina, USA
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