September weather forecastTopawa, AZ
September
Weather in September
The first month of the autumn, September, is still a hot month in Topawa, Arizona, with temperature in the range of an average high of 91.2°F (32.9°C) and an average low of 73.6°F (23.1°C).Temperature
September's onset brings an average high-temperature of a hot 91.2°F (32.9°C), showing a minute difference from August's 95.5°F (35.3°C). Throughout September, Topawa's nights cool down to an average of 73.6°F (23.1°C).Humidity
In September, the average relative humidity in Topawa is 39%.Rainfall
In Topawa, in September, during 7.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 52.9 rainfall days, and 6.46" (164mm) of precipitation is accumulated.Daylight
In September, the average length of the day in Topawa is 12h and 21min.On the first day of the month, sunrise is at 6:03 am and sunset at 6:50 pm. On the last day of September, sunrise is at 6:21 am and sunset at 6:13 pm MST.
Sunshine
In Topawa, Arizona, the average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 7 suggests these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Topawa, AZ
- Average high temperature in September: 91.2°F
The warmest month (with the highest average high temperature) is June (97.3°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in September: 73.6°F
The month with the highest average low temperature is July (78.6°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in September
Topawa, AZ
- Average pressure in September: 29.83"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in September
Topawa, AZ
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in September
Topawa, AZ
- Average humidity in September: 39%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (20%).
Average rainfall in September
Topawa, AZ
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in September
Topawa, AZ
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is May (1 days).
Average daylight in September /
Average sunshine in September
Topawa, AZ
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Topawa, AZ
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is May (29.8 days).
The month with the least sunshine days is August (17.2 days).
Average UV index in September
Topawa, AZ
- Average UV index in September: 7
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Topawa, AZ
- Average cloud cover in September: 13
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
Topawa, 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).





