Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September indicates a minor shift in the average high-temperature, from August's tropical 88.7°F (31.5°C) to a moderately hot 82.2°F (27.9°C). An average nighttime temperature of 62.4°F (16.9°C) is recorded during September.Heat index
During September, the heat index is appraised at a hot 87.8°F (31°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In September, the average relative humidity is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 1.81" (46mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:33 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:51 pm CDT.
Sunshine
The average sunshine in September is 9.5h.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 the average person.Note: In September, the UV index of 5 transforms into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Sandtown have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Sandtown?
Average temperature in September
Sandtown, AR
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Sandtown, 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
Sandtown, AR
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January, February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Sandtown, AR
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Sandtown, AR
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Sandtown, AR
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is December (8.6 days).
Average snowfall in September
Sandtown, AR
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sandtown, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sandtown, AR
- Average daylight in September: 12h and 2min
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 48min).
- Average sunshine in September: 9h and 3min
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
Sandtown, AR
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Sandtown, 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 and December (UV index 2).
Average cloud cover in September
Sandtown, AR
- Average cloud cover in September: 29
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 26).
Average visibility in September
Sandtown, 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).
Sandtown, Arkansas, USA
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