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
In September, the average high-temperature marginally drops from a tropical 91.2°F (32.9°C) in August to a warm 84°F (28.9°C). A stark contrast in day to night temperatures can be seen in Subiaco in September, with an average low-temperature of 62.2°F (16.8°C).Heat index
During September, the heat index is evaluated at a hot 91.4°F (33°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial 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 September, the average relative humidity in Subiaco is 73%.Rainfall
In Subiaco, in September, during 11.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Subiaco, there are 123.9 rainfall days, and 17.76" (451mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:59 pm CDT.
Sunshine
In Subiaco, the average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 during September translates into the following guidance:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
Is it hot in Subiaco during September?
What is the average humidity in September in Subiaco?
How many days does it rain in September in Subiaco?
When it does not snow in Subiaco?
What is the average length of the day in September in Subiaco?
When is the sunrise / sunset in September in Subiaco?
How many hours of sunshine does Subiaco have in September?
How high is the UV index in September in Subiaco?
Average temperature in September
Subiaco, AR
- Average high temperature in September: 84°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 (47.8°F).
- Average low temperature in September: 62.2°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
Subiaco, 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
Subiaco, AR
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Subiaco, AR
- Average humidity in September: 73%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Subiaco, AR
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in September
Subiaco, AR
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in September
Subiaco, AR
- Average snowfall in September: 0"
The months with the highest snowfall are January, February and December (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Subiaco, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.9 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
Subiaco, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Subiaco, AR
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Subiaco, AR
- Average UV index in September: 6
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
Subiaco, AR
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Subiaco, AR
- Average visibility in September: 6mi
The months with the highest visibility are February, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, April and May (5mi).
Subiaco, Arkansas, USA
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