September weather forecastGrubbs, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Grubbs, Arkansas, with an average temperature varying between 82.2°F (27.9°C) and 63.7°F (17.6°C).Temperature
A mild drop in Grubbs's average high-temperature is observed in September, transitioning from a hot 87.8°F (31°C) in August to a warm 82.2°F (27.9°C). Grubbs, during September nights, observes an average temperature of 63.7°F (17.6°C).Heat index
September's average heat index is evaluated at a hot 87.8°F (31°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Understand that the heat index values take into account shaded locations and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In Grubbs, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 2.48" (63mm) of precipitation.Snowfall
April through September are months without snowfall in Grubbs, Arkansas.Daylight
In September, the average length of the day in Grubbs is 12h and 23min.On the first day of September, sunrise is at 6:36 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:49 pm CDT.
Sunshine
In Grubbs, the average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index in Grubbs is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Make use of precautions - It is urged to ward off sun damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grubbs, AR
- Average high temperature in September: 82.2°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 (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°F).
Average pressure in September
Grubbs, 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
Grubbs, AR
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Grubbs, 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
Grubbs, AR
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is April (4.61").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in September
Grubbs, AR
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Grubbs, AR
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Grubbs, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grubbs, 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 48min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Grubbs, AR
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Grubbs, AR
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Grubbs, 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 23).
Average visibility in September
Grubbs, 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).
