Maricopa weather in September: Maricopa, Arizona: normal highs, lows, rain and records for September

Maricopa in September has a normal high of 102°F and a normal low of 69°F, a daily mean of 86°F, falling from 106°F on the 1st to 97°F by the 30th. Measurable precipitation falls on 3 days in a normal September, 0.68 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 39°C and low of 21°C, 17 mm of precipitation in September.

  • NOAA stationMaricopa (4 mi N)
  • Station IDUSC00025270
  • Location33.11°N 112.03°W
  • Elevation1,160 ft (354 m)
  • From the center5 miles
  • Population76,654
  1. Jan 69° 37°
  2. Feb 73° 40°
  3. Mar 80° 45°
  4. Apr 88° 51°
  5. May 97° 59°
  6. Jun 107° 69°
  7. Jul 109° 78°
  8. Aug 107° 77°
  9. Sep 102° 69°
  10. Oct 91° 55°
  11. Nov 78° 43°
  12. Dec 68° 35°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Maricopa in September?

The normal high is 102°F and the normal low 69°F, for a daily mean of 85.7°F. September is 6.6°F cooler than August and 12.8°F warmer than October. September is the 4th warmest month of the year in Maricopa and the 6th wettest. Across the month the normal high falls 9°F, from 106°F on September 1 to 97°F on September 30. From one year to the next September's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 84°F and 87°F.

Maricopa in September, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 13%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 1106°F75°F13%8%
September 8105°F73°F12%7%
September 15103°F70°F10%6%
September 22100°F66°F9%4%
September 3097°F62°F7%3%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Maricopa: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 1106°F75°F13%8%12 h 50 min
September 2106°F74°F13%7%12 h 50 min
September 3106°F74°F13%7%12 h 50 min
September 4106°F74°F13%7%12 h 50 min
September 5105°F73°F13%7%12 h 50 min
September 6105°F73°F13%7%12 h 40 min
September 7105°F73°F13%7%12 h 40 min
September 8105°F73°F12%7%12 h 40 min
September 9104°F72°F12%7%12 h 40 min
September 10104°F72°F12%6%12 h 40 min
September 11104°F71°F12%6%12 h 30 min
September 12104°F71°F11%6%12 h 30 min
September 13103°F71°F11%6%12 h 30 min
September 14103°F70°F11%6%12 h 30 min
September 15103°F70°F10%6%12 h 30 min
September 16103°F69°F10%5%12 h 20 min
September 17102°F69°F10%5%12 h 20 min
September 18102°F68°F10%5%12 h 20 min
September 19102°F68°F9%5%12 h 20 min
September 20101°F67°F9%5%12 h 20 min
September 21101°F67°F9%5%12 h 10 min
September 22100°F66°F9%4%12 h 10 min
September 23100°F66°F8%4%12 h 10 min
September 24100°F65°F8%4%12 h 10 min
September 2599°F65°F8%4%12 h 10 min
September 2699°F64°F8%4%12 h
September 2799°F64°F8%4%12 h
September 2898°F63°F7%3%12 h
September 2998°F63°F7%3%12 h
September 3097°F62°F7%3%12 h
Normal high
102°FSeptember average
Normal low
69°FSeptember average
Precipitation
0.68 inmonth total
Days with precipitation
30.01 inch or more
Days at 90°F or more
30
Daylight
12 h 50 min to 12 hSeptember 1 to September 30
Days at 70°F or more
30
Days at 80°F or more
30
Sunshine
94%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00025270; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Maricopa in September?

On a given September day the chance of 0.01 inch or more is 10% on average, highest around September 1 (13%). In all, 0.68 in falls on 3 days of a normal September.

In a normal September in Maricopa, 30 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00025270.

What are the records for September in Maricopa?

The warmest September temperature on this station's record (since 1960) is 114°F, on September 1, 2011; the coldest is 43°F, on September 23, 1968. The wettest September brought 2.45 in (1983).

Source: records: ACIS, station USC00025270. Records and recent months use complete months only.

How does September in Maricopa compare across Arizona?

Across the 97 places PlainClimate covers in Arizona, September normal highs run from 70°F in Greer to 104°F in Tacna; Maricopa's is 102°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places