September weather forecastLittle Rock, IA
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Little Rock, Iowa, with an average temperature fluctuating between 53.6°F (12°C) and 73°F (22.8°C).Temperature
With the arrival of September, Little Rock experiences a modest decline in average high-temperatures, transitioning from a moderately hot 78.6°F (25.9°C) in August to a pleasant 73°F (22.8°C). In September, Little Rock reports a consistent average low-temperature of 53.6°F (12°C) during the nights.Humidity
In September, the average relative humidity in Little Rock is 72%.Rainfall
In Little Rock, in September, it is raining for 11.1 days, with typically 2.09" (53mm) of accumulated precipitation. In Little Rock, Iowa, during the entire year, the rain falls for 122.3 days and collects up to 22.24" (565mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Little Rock is 12h and 29min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:58 pm. On the last day of September, in Little Rock, sunrise is at 7:20 am and sunset at 7:05 pm CDT.
Sunshine
The average sunshine in September in Little Rock, Iowa, is 9h.UV index
In September, the average daily maximum UV index in Little Rock is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Little Rock, IA
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in September
Little Rock, IA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Little Rock, IA
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in September
Little Rock, IA
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Little Rock, IA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Little Rock, IA
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Little Rock, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Little Rock, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Little Rock, IA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Little Rock, IA
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in September
Little Rock, IA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Little Rock, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Little Rock, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
