September weather forecastNewberry, SC
September
Weather in September
September in Newberry is marked by a transition towards autumn, signalled by gradually decreasing temperatures. Compared to August, September's weather cools down considerably, marking the first signs of the upcoming fall, with the temperature dropping to 84.7°F (29.3°C). Despite the reduced heat, September still maintains ample sunshine hours. Rainfall frequency starts to decline in September, marking the end of monsoon-related downpours from the previous months. Although September heralds the onset of fall, the weather remains comfortably warm, perfect for outdoor activities.Temperature
As Newberry transitions into September, the average high-temperature stands at a moderately hot 84.7°F (29.3°C), offering little variation from the preceding month. During the month of September, the temperature falls to an average of 65.3°F (18.5°C).Heat index
The heat index value for September is computed to be a tropical 93.2°F (34°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.42" (36mm) of precipitation.Snowfall
In Newberry, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:11 pm EDT.
Sunshine
In Newberry, the average sunshine in September is 8.5h.UV index
In Newberry, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Newberry, SC
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in September
Newberry, SC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Newberry, SC
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Newberry, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Newberry, SC
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Newberry, SC
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Newberry, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Newberry, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Newberry, SC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Newberry, SC
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in September
Newberry, SC
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Newberry, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Newberry, SC
- 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).





