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
September's weather records an average high-temperature of a moderately hot 84.9°F (29.4°C), showing little deviation from August. Humphrey's nighttime temperature in September drops to an average of 65.5°F (18.6°C).Heat index
The average heat index in September is computed to be a hot 93.2°F (34°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In Humphrey, the average relative humidity in September is 72%.Rainfall
In Humphrey, during September, the rain falls for 9.8 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Humphrey, during the entire year, the rain falls for 123.9 days and collects up to 18.54" (471mm) of precipitation.Snowfall
April through November are months without snowfall in Humphrey.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:32 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:51 pm CDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
In September, the average daily maximum UV index in Humphrey is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
How hot does it get in Humphrey in September?
What is the average humidity in September in Humphrey?
How much does it rain in Humphrey in September?
When it does not snow in Humphrey?
How many hours of daylight does Humphrey have in September?
When is the sunrise / sunset in September in Humphrey?
How long on average sun shines in September in Humphrey?
What is the UV index reading in September in Humphrey?
Average temperature in September
Humphrey, AR
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Humphrey, 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
Humphrey, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Humphrey, AR
- Average humidity in September: 72%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Humphrey, AR
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is April (2.17").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Humphrey, AR
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Humphrey, 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
Humphrey, 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Humphrey, AR
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Humphrey, AR
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Humphrey, AR
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Humphrey, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Humphrey, 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).
Humphrey, Arkansas, USA
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