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 shift into September uncovers an average high-temperature of a moderately hot 84.7°F (29.3°C), subtly different from the previous month. From the heights of the September heat, Littlerock records a mean nighttime low of 59.7°F (15.4°C).Heat index
In September, the average heat index is computed to be 84.2°F (29°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.One should consider that heat index numbers are for shaded settings and light wind. 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 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In Littlerock, the average relative humidity in September is 40%.Rainfall
In Littlerock, in September, it is raining for 3.1 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, in Littlerock, there are 48 rainfall days, and 7.17" (182mm) of precipitation is accumulated.Snowfall
In Littlerock, snow does not fall in May through October.Daylight
The average length of the day in September in Littlerock is 12h and 22min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:17 pm. On the last day of September, in Littlerock, sunrise is at 6:46 am and sunset at 6:36 pm PDT.
Sunshine
In September, the average sunshine is 10.9h.UV index
In Littlerock, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Littlerock during September?
What is the average humidity in September in Littlerock?
How many days does it rain in September in Littlerock?
When it does not snow in Littlerock?
How many hours of daylight does Littlerock have in September?
When is the sunrise / sunset in September in Littlerock?
How many hours of sunshine does Littlerock have in September?
How high is the UV index in September in Littlerock?
Average temperature in September
Littlerock, CA
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is December (37.9°F).
Average pressure in September
Littlerock, CA
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Littlerock, CA
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is May (8.1mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).
Average humidity in September
Littlerock, CA
- Average humidity in September: 40%
The months with the highest relative humidity are February and December (54%).
The month with the lowest relative humidity is August (36%).
Average rainfall in September
Littlerock, CA
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Littlerock, CA
- Average rainfall days in September: 3.1 days
The month with the highest number of rainy days is March (6.4 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in September
Littlerock, CA
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Littlerock, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Littlerock, CA
- 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: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in September
Littlerock, CA
- Average sunshine days in September: 26.3 days
The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in September
Littlerock, CA
- Average UV index in September: 5
The month with the highest UV index is 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
Littlerock, CA
- Average cloud cover in September: 6
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Littlerock, CA
- 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).
Littlerock, California, USA
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