New River climate

New River Weather in September

NOAA 1991-2020 normals for Castle Hot Springs, 22.2 km from New River

Average highs run from 103°F on September 1 to 95°F on September 30, and lows from 75°F to 66°F. Normal precipitation for the month is 1.14 in over about 2 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 New River, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
99°F
Average low
71°F
Precipitation
1.14 in
Record high
112°FSep 4, 2020
Record low
56°FSep 24, 2017
Chance of a freeze
0%
Days of 90°F or more
27.4
Daylight
12 h 52 min to 11 h 52 min
Cloud cover
32%
Humidity
37%
Dew point
46°F
Wind
6.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 1103°F75°F108°F 200773°F 202112%
Sep 2103°F75°F106°F 200268°F 200011%
Sep 3103°F75°F107°F 200368°F 199911%
Sep 4102°F75°F112°F 202069°F 199911%
Sep 5102°F74°F112°F 202069°F 200411%
Sep 6102°F74°F110°F 202071°F 200210%
Sep 7102°F74°F107°F 202671°F 201210%
Sep 8102°F74°F107°F 202370°F 200110%
Sep 9101°F73°F110°F 202365°F 201010%
Sep 10101°F73°F109°F 202366°F 20209%
Sep 11101°F73°F106°F 200465°F 20109%
Sep 12101°F73°F108°F 201765°F 20059%
Sep 13100°F72°F107°F 200068°F 20108%
Sep 14100°F72°F109°F 200067°F 20058%
Sep 15100°F72°F108°F 200066°F 20168%
Sep 1699°F71°F105°F 200064°F 20168%
Sep 1799°F71°F105°F 200064°F 20057%
Sep 1899°F71°F105°F 201065°F 20247%
Sep 1999°F70°F106°F 201066°F 20067%
Sep 2098°F70°F103°F 200566°F 20197%
Sep 2198°F70°F104°F 200158°F 20047%
Sep 2298°F69°F105°F 200363°F 20046%
Sep 2397°F69°F105°F 200157°F 20176%
Sep 2497°F68°F104°F 200256°F 20176%
Sep 2597°F68°F106°F 202457°F 20176%
Sep 2696°F68°F106°F 202459°F 20176%
Sep 2796°F67°F109°F 202463°F 20136%
Sep 2896°F67°F112°F 202461°F 20136%
Sep 2995°F66°F107°F 202461°F 20146%
Sep 3095°F66°F105°F 202460°F 20146%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (MST).

September 1
sunrise 6:02 AM, sunset 6:54 PM
September 30
sunrise 6:22 AM, sunset 6:14 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00021353 (Castle Hot Springs), public domain. Records: NOAA GHCN-Daily, station USW00003184, 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.