Rio Verde climate

Rio Verde Weather in September

NOAA 1991-2020 normals for Fountain Hills, 13.8 km from Rio Verde

Average highs run from 101°F on September 1 to 93°F on September 30, and lows from 78°F to 69°F. Normal precipitation for the month is 0.81 in over about 3 wet days.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Rio Verde, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
97°F
Average low
74°F
Precipitation
0.81 in
Record high
113°FSep 4, 2020
Record low
57°FSep 25, 2017
Chance of a freeze
0%
Days of 90°F or more
27.9
Daylight
12 h 51 min to 11 h 51 min
Cloud cover
29%
Humidity
37%
Dew point
48°F
Wind
6.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 1101°F78°F108°F 200773°F 202112%
Sep 2101°F77°F107°F 202573°F 200612%
Sep 3100°F77°F108°F 201073°F 200612%
Sep 4100°F77°F113°F 202074°F 200612%
Sep 5100°F77°F113°F 202070°F 200412%
Sep 6100°F77°F111°F 202068°F 200411%
Sep 7100°F76°F106°F 201172°F 200611%
Sep 899°F76°F107°F 202370°F 201411%
Sep 999°F76°F111°F 202367°F 202011%
Sep 1099°F76°F110°F 202366°F 202010%
Sep 1199°F75°F106°F 200466°F 201010%
Sep 1298°F75°F108°F 201768°F 202010%
Sep 1398°F75°F108°F 202168°F 201010%
Sep 1498°F75°F107°F 201869°F 200510%
Sep 1598°F74°F108°F 201864°F 20059%
Sep 1697°F74°F107°F 202065°F 20169%
Sep 1797°F74°F106°F 201865°F 20069%
Sep 1897°F73°F107°F 201066°F 20059%
Sep 1996°F73°F106°F 201065°F 20069%
Sep 2096°F73°F105°F 202068°F 20028%
Sep 2196°F72°F104°F 200359°F 20048%
Sep 2295°F72°F105°F 201259°F 20048%
Sep 2395°F71°F105°F 201160°F 20048%
Sep 2495°F71°F105°F 202559°F 20168%
Sep 2594°F71°F108°F 202457°F 20178%
Sep 2694°F70°F106°F 202458°F 20178%
Sep 2794°F70°F110°F 202463°F 20077%
Sep 2893°F70°F112°F 202459°F 20137%
Sep 2993°F69°F108°F 202463°F 20137%
Sep 3093°F69°F106°F 202462°F 20147%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rio Verde, in percent.02.557.51012.51102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MST).

September 1
sunrise 6:01 AM, sunset 6:52 PM
September 30
sunrise 6:21 AM, sunset 6:12 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00023190 (Fountain Hills), public domain. Records: NOAA GHCN-Daily, station USW00003192, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.