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
With the commencement of September, Huntsville records a moderate temperature decline, with the average high easing from August's hot 87.1°F (30.6°C) to a warm 79.7°F (26.5°C). An average low-temperature of 59.5°F (15.3°C) is recorded during the nights in September in Huntsville, Arkansas.Humidity
The average relative humidity in September in Huntsville is 76%.Rainfall
In Huntsville, in September, during 14.3 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 160.8 rainfall days, and 33.66" (855mm) of precipitation is accumulated.Snowfall
In Huntsville, Arkansas, snow does not fall in June through October.Daylight
In September, the average length of the day in Huntsville is 12h and 23min.On the first day of September in Huntsville, sunrise is at 6:47 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:59 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
In Huntsville, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the average September temperature in Huntsville?
What is the average humidity in September in Huntsville?
How many days does it rain in September in Huntsville?
When it does not snow in Huntsville?
What is the average length of the day in September in Huntsville?
When are sunrise and sunset in September in Huntsville?
How many hours of sunshine does Huntsville have in September?
How high is the UV index in September in Huntsville?
Average temperature in September
Huntsville, AR
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in September
Huntsville, 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
Huntsville, AR
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Huntsville, AR
- Average humidity in September: 76%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in September
Huntsville, AR
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in September
Huntsville, AR
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Huntsville, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Huntsville, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Huntsville, 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 48min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Huntsville, AR
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in September
Huntsville, 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, February and December (UV index 2).
Average cloud cover in September
Huntsville, AR
- Average cloud cover in September: 31
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Huntsville, 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).
Huntsville, Arkansas, USA
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