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
A modest decline in the average high-temperature is seen during September, decreasing from a hot 88.3°F (31.3°C) in August to a warm 82.9°F (28.3°C). September brings with it a nighttime average temperature of 63.9°F (17.7°C).Heat index
The heat index for September is estimated at a hot 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
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. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In September, the average relative humidity is 73%.Rainfall
In Bald Knob, during September, the rain falls for 11.3 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Bald Knob, during the entire year, the rain falls for 131.5 days and collects up to 19.06" (484mm) of precipitation.Snowfall
April through November are months without snowfall in Bald Knob.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Bald Knob, sunrise is at 6:39 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:51 pm CDT.
Sunshine
The average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Bald Knob is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
Is it hot in Bald Knob during September?
What is the average humidity in September in Bald Knob?
How many days does it rain in September in Bald Knob?
When it does not snow in Bald Knob?
How many hours of daylight does Bald Knob have in September?
When is the sunrise / sunset in September in Bald Knob?
How long on average sun shines in September in Bald Knob?
What is the UV index reading in September in Bald Knob?
Average temperature in September
Bald Knob, AR
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in September
Bald Knob, 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
Bald Knob, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Bald Knob, AR
- Average humidity in September: 73%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Bald Knob, AR
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in September
Bald Knob, AR
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Bald Knob, AR
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Bald Knob, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 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
Bald Knob, 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 June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Bald Knob, AR
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in September
Bald Knob, 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 January (UV index 2).
Average cloud cover in September
Bald Knob, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Bald Knob, 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).
Bald Knob, Arkansas, USA
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