September weather forecastLexa, AR
September
Weather in September
September, the first month of the autumn in Lexa, is also a moderately hot month, with an average temperature varying between 66.2°F (19°C) and 84.4°F (29.1°C).Temperature
The arrival of September records an average high-temperature of a warm 84.4°F (29.1°C), closely related to the 88.5°F (31.4°C) observed in August. An average nighttime temperature of 66.2°F (19°C) is witnessed in Lexa throughout September.Heat index
For September, the heat index is appraised at a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Note that heat index values are valued for light wind and location in the shade. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. 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 highly critical for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Lexa, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 9.6 days and accumulates 0.67" (17mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
In September, the average length of the day in Lexa is 12h and 23min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:28 pm. On the last day of September, in Lexa, sunrise is at 6:57 am and sunset at 6:48 pm CDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
In Lexa, Arkansas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lexa, AR
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in September: 66.2°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in September
Lexa, 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
Lexa, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Lexa, AR
- Average humidity in September: 72%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Lexa, AR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is April (1.89").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Lexa, AR
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in September
Lexa, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Lexa, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Lexa, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Lexa, AR
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Lexa, 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 and December (UV index 3).
Average cloud cover in September
Lexa, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Lexa, 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).
