September weather forecastChandler Heights, AZ
September
Weather in September
September, the first month of the autumn in Chandler Heights, is still a tropical month, with an average temperature fluctuating between 76.5°F (24.7°C) and 94.3°F (34.6°C).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's very hot 99.9°F (37.7°C) to a tropical 94.3°F (34.6°C). An average low-temperature of 76.5°F (24.7°C) is recorded during the nights in September.Humidity
The average relative humidity in September is 32%.Rainfall
In September, in Chandler Heights, the rain falls for 7.9 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in Chandler Heights, there are 63 rainfall days, and 8.78" (223mm) of precipitation is accumulated.Daylight
The average length of the day in September in Chandler Heights is 12h and 22min.On the first day of September in Chandler Heights, Arizona, sunrise is at 6:01 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 6:12 pm MST.
Sunshine
In Chandler Heights, the average sunshine in September is 9.6h.UV index
In Chandler Heights, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chandler Heights, AZ
- Average high temperature in September: 94.3°F
The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in September: 76.5°F
The month with the highest average low temperature is August (82.6°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).
Average pressure in September
Chandler Heights, AZ
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Chandler Heights, AZ
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are April and May (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.8mph).
Average humidity in September
Chandler Heights, AZ
- Average humidity in September: 32%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Chandler Heights, AZ
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Chandler Heights, AZ
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is June (1.5 days).
Average daylight in September /
Average sunshine in September
Chandler Heights, 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 36min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Chandler Heights, AZ
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in September
Chandler Heights, AZ
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Chandler Heights, AZ
- Average cloud cover in September: 11
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Chandler Heights, 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).





