September weather forecastNewport, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Newport, Arkansas, with an average temperature fluctuating between 63.7°F (17.6°C) and 82.8°F (28.2°C).Temperature
At the start of September, Newport's average high-temperature reaches a moderately hot 82.8°F (28.2°C), subtly different from the preceding month. September witnesses an average low-temperature hovering around a refreshing 63.7°F (17.6°C).Heat index
The average heat index in September is estimated at a hot 87.8°F (31°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 0.67" (17mm) of precipitation.Snowfall
In Newport, snow does not fall in April through October.Daylight
In Newport, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:49 pm CDT.
Sunshine
The average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Newport, AR
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in September
Newport, AR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Newport, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Newport, AR
- Average humidity in September: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Newport, AR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Newport, AR
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Newport, AR
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Newport, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Newport, AR
- Average daylight in September: 12h and 24min
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: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Newport, AR
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Newport, AR
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Newport, AR
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Newport, AR
- 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).
