September weather forecastMary Spur, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mary Spur, Arkansas, with an average temperature ranging between max 84.7°F (29.3°C) and min 66.7°F (19.3°C).Temperature
The average high-temperature during September registers at a warm 84.7°F (29.3°C), maintaining a close resemblance to the previous month. During the month of September, the temperature generally drops to a low average of 66.7°F (19.3°C).Heat index
The heat index value for September is estimated at a hot 93.2°F (34°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Note that heat index values are valued for light wind and location in the shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In Mary Spur, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 8.3 days and accumulates 0.35" (9mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in September in Mary Spur is 12h and 22min.On the first day of September in Mary Spur, sunrise is at 6:37 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:48 pm CDT.
Sunshine
In Mary Spur, Arkansas, the average sunshine in September is 9.9h.UV index
In Mary Spur, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mary Spur, AR
- Average high temperature in September: 84.7°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 (49.5°F).
- Average low temperature in September: 66.7°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Mary Spur, 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 (29.95"Hg).
Average wind speed in September
Mary Spur, AR
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Mary Spur, AR
- Average humidity in September: 72%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Mary Spur, AR
- Average rainfall in September: 0.35"
The wettest months (with the highest rainfall) are April and July (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Mary Spur, AR
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Mary Spur, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Mary Spur, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 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
Mary Spur, AR
- 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: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Mary Spur, AR
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is October (23.4 days).
The month with the least sunshine days is July (15.3 days).
Average UV index in September
Mary Spur, AR
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Mary Spur, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Mary Spur, 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).
