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
The arrival of September suggests a slight decrease in the average high-temperature, moving from a hot 89.8°F (32.1°C) in August to a warm 82.4°F (28°C). Nighttime temperatures throughout September in Norfork, Arkansas, register a significant deviation from the day's highs, averaging at a moderate 60.4°F (15.8°C).Heat index
In September, the average heat index is evaluated at a hot 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 extremely significant for babies and toddlers. 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
The average relative humidity in September in Norfork, Arkansas, is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 2.01" (51mm) of precipitation.Snowfall
In Norfork, snow does not fall in April through October.Daylight
The average length of the day in September in Norfork is 12h and 24min.On the first day of September in Norfork, Arkansas, sunrise is at 6:41 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm CDT.
Sunshine
In Norfork, the average sunshine in September is 9.2h.UV index
In Norfork, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
How hot is it in Norfork in September?
What is the average humidity in September in Norfork?
What is the driest month in Norfork?
How much does it rain in Norfork in September?
When it does not snow in Norfork?
How many hours of daylight does Norfork have in September?
What time are sunrise and sunset in September in Norfork?
How many hours of sunshine does Norfork have in September?
How high is the UV index in September in Norfork?
Average temperature in September
Norfork, AR
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Norfork, AR
- Average pressure in September: 30.02"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
Norfork, AR
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are February, March and April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Norfork, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in September
Norfork, AR
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Norfork, AR
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Norfork, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Norfork, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Norfork, AR
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Norfork, AR
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Norfork, AR
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Norfork, AR
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Norfork, AR
- Average visibility in September: 5mi
The months with the highest visibility are January, February, June, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July, August and September (5mi).
Norfork, Arkansas, USA
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