September weather forecastGoodwin, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Goodwin, Arkansas, with an average temperature fluctuating between 65.3°F (18.5°C) and 83.7°F (28.7°C).Temperature
September commences with an average high-temperature of a warm 83.7°F (28.7°C), showing little deviation from August's 88.2°F (31.2°C). In the month of September, Goodwin experiences an average low-temperature of 65.3°F (18.5°C).Heat index
The heat index in September is estimated at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In Goodwin, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.69" (43mm) of precipitation.Snowfall
In Goodwin, snow does not fall in April through October.Daylight
In Goodwin, 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 7:30 pm. On the last day of September, in Goodwin, sunrise is at 6:58 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine in Goodwin is 9.8h.UV index
In September, the average daily maximum UV index 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: In September, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Goodwin, AR
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Goodwin, AR
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Goodwin, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Goodwin, 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 (67%).
Average rainfall in September
Goodwin, AR
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Goodwin, AR
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.1 days).
Average snowfall in September
Goodwin, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Goodwin, AR
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Goodwin, 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 54min).
- Average sunshine in September: 9h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Goodwin, AR
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Goodwin, AR
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Goodwin, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Goodwin, 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).





