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
Ione, Arkansas, in September undergoes a slight reduction in the average high-temperature, shifting from August's tropical 91.4°F (33°C) to a warm 84.6°F (29.2°C). Ione reports a marked divergence from daytime peaks throughout September, with lows averaging at a comfortable 62.4°F (16.9°C).Heat index
September's average heat index is appraised at a tropical 93.2°F (34°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In September, the average relative humidity in Ione, Arkansas, is 72%.Rainfall
In Ione, in September, it is raining for 11.8 days, with typically 2.36" (60mm) of accumulated precipitation. In Ione, during the entire year, the rain falls for 147.6 days and collects up to 36.89" (937mm) of precipitation.Snowfall
In Ione, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:49 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:01 pm CDT.
Sunshine
In Ione, the average sunshine in September is 9.6h.UV index
In Ione, Arkansas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
How hot is it in Ione in September?
What is the average humidity in September in Ione?
How much does it rain in Ione in September?
When it does not snow in Ione?
How many hours of daylight does Ione have in September?
When is the sunrise / sunset in September in Ione?
How long on average sun shines in September in Ione?
What is the UV index intensity in September in Ione?
Average temperature in September
Ione, AR
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Ione, 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
Ione, AR
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Ione, AR
- Average humidity in September: 72%
The months with the highest relative humidity are February, March and May (78%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Ione, AR
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (5.31").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in September
Ione, AR
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is August (15.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Ione, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ione, 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 April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ione, AR
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Ione, AR
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (20.1 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
Ione, 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
Ione, AR
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in September
Ione, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Ione, Arkansas, USA
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