September weather forecastDiaz, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Diaz, Arkansas, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 63.7°F (17.6°C).Temperature
The transition into September notes an average high-temperature of a warm 82.8°F (28.2°C), revealing a mild distinction from the 87.8°F (31°C) in August. Diaz, in September, experiences an average temperature of 63.7°F (17.6°C) at night.Heat index
In September, the average heat index is appraised at a tropical 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 largely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 0.67" (17mm) of precipitation.Snowfall
In Diaz, snow does not fall in April through October.Daylight
In Diaz, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:37 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 September, the average sunshine is 9.9h.UV index
In Diaz, Arkansas, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Diaz, AR
- Average high temperature in September: 82.8°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 (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 (32.2°F).
Average pressure in September
Diaz, 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
Diaz, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Diaz, 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
Diaz, AR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Diaz, AR
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Diaz, AR
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Diaz, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Diaz, 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 54min
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
Diaz, AR
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Diaz, AR
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Diaz, 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 24).
Average visibility in September
Diaz, 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).
