September weather forecastRector, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Rector, Arkansas, with an average temperature fluctuating between 63.7°F (17.6°C) and 82°F (27.8°C).Temperature
The introduction of September notes a subtle temperature variation to a moderately hot 82°F (27.8°C) from August's 86.5°F (30.3°C). Rector experiences a mean temperature of 63.7°F (17.6°C) during September nights.Heat index
September's average heat index is appraised at a hot 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.73" (44mm) of precipitation.Snowfall
In Rector, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:28 pm. On the last day of September, in Rector, sunrise is at 6:56 am and sunset at 6:45 pm CDT.
Sunshine
In September, the average sunshine is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rector, AR
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in September
Rector, AR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Rector, AR
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Rector, AR
- Average humidity in September: 72%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Rector, AR
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Rector, AR
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Rector, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rector, AR
- 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
Rector, AR
- Average daylight in September: 12h and 24min
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: 9h and 48min
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
Rector, AR
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (13 days).
Average UV index in September
Rector, AR
- 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 and December (UV index 2).
Average cloud cover in September
Rector, AR
- Average cloud cover in September: 26
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Rector, 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).





