September weather forecastKofa, AZ
September
Weather in September
September, the first month of the autumn in Kofa, is also a fiery hot month, with an average temperature fluctuating between 98.2°F (36.8°C) and 81°F (27.2°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a torrid 103.6°F (39.8°C) in August to a still sweltering 98.2°F (36.8°C). Throughout September, Kofa witnesses a nighttime temperature average of 81°F (27.2°C).Humidity
In September, the average relative humidity is 31%.Rainfall
In September, the rain falls for 6 days. Throughout September, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 39.5 rainfall days, and 4.06" (103mm) of precipitation is accumulated.Daylight
In September, the average length of the day in Kofa is 12h and 22min.On the first day of the month, sunrise is at 6:09 am and sunset at 6:58 pm. On the last day of September, sunrise is at 6:28 am and sunset at 6:20 pm MST.
Sunshine
In September, the average sunshine in Kofa is 9.7h.UV index
In Kofa, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kofa, AZ
- Average high temperature in September: 98.2°F
The warmest month (with the highest average high temperature) is July (103.8°F).
The month with the lowest average high temperature is December (64.8°F).
- Average low temperature in September: 81°F
The month with the highest average low temperature is August (86.2°F).
The coldest months (with the lowest average low temperature) are January and December (49.6°F).
Average pressure in September
Kofa, AZ
- Average pressure in September: 29.78"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.73"Hg).
Average wind speed in September
Kofa, AZ
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is July (8.6mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).
Average humidity in September
Kofa, AZ
- Average humidity in September: 31%
The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).
Average rainfall in September
Kofa, AZ
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in September
Kofa, AZ
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is May (1 days).
Average daylight in September /
Average sunshine in September
Kofa, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
Kofa, AZ
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.3 days).
Average UV index in September
Kofa, AZ
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 4).
Average cloud cover in September
Kofa, AZ
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Kofa, 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).
