September weather forecastLittlefield, AZ
September
Weather in September
The first month of the autumn, September, is still a hot month in Littlefield, Arizona, with an average temperature varying between 88.7°F (31.5°C) and 69.4°F (20.8°C).Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a fiery hot 96.1°F (35.6°C) to a hot 88.7°F (31.5°C). Littlefield's temperature tends to fall to an average low of 69.4°F (20.8°C) during the nights of September.Humidity
In Littlefield, Arizona, the average relative humidity in September is 26%.Rainfall
In Littlefield, in September, it is raining for 5 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 60.6 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
In Littlefield, Arizona, snow does not fall in January, March through November.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September in Littlefield, Arizona, sunrise is at 6:07 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 6:19 pm MST.
Sunshine
In September, the average sunshine is 10.1h.UV index
In Littlefield, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Littlefield, AZ
- Average high temperature in September: 88.7°F
The warmest month (with the highest average high temperature) is July (98.2°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in September: 69.4°F
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).
Average pressure in September
Littlefield, AZ
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in September
Littlefield, AZ
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in September
Littlefield, AZ
- Average humidity in September: 26%
The month with the highest relative humidity is January (52%).
The month with the lowest relative humidity is June (15%).
Average rainfall in September
Littlefield, AZ
- Average rainfall in September: 0.55"
The wettest months (with the highest rainfall) are February and December (0.83").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Littlefield, AZ
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).
Average snowfall in September
Littlefield, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Littlefield, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Littlefield, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 10h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Littlefield, AZ
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is July (17.4 days).
Average UV index in September
Littlefield, AZ
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Littlefield, AZ
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Littlefield, AZ
- 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).





