Nephi climate

Nephi Weather in September

NOAA 1991-2020 normals for Nephi, 0.4 km from Nephi

Average highs run from 84°F on September 1 to 71°F on September 30, and lows from 56°F to 44°F. Normal precipitation for the month is 0.95 in over about 6 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 Nephi, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
78°F
Average low
50°F
Precipitation
0.95 in
Record high
106°FSep 4, 1950
Record low
23°FSep 18, 1965
Chance of a freeze
15%
Days of 90°F or more
2.3
Daylight
13 h 02 min to 11 h 48 min
Cloud cover
37%
Humidity
37%
Dew point
33°F
Wind
6.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 184°F56°F103°F 195039°F 196221%0%
Sep 283°F55°F103°F 195037°F 197321%0%
Sep 383°F55°F104°F 195035°F 196121%0%
Sep 483°F55°F106°F 195038°F 196121%0%
Sep 582°F54°F103°F 195039°F 199921%0%
Sep 682°F54°F100°F 202236°F 201021%0%
Sep 782°F54°F101°F 202241°F 200121%0%
Sep 881°F53°F98°F 195536°F 202021%0%
Sep 981°F53°F95°F 202132°F 196221%0%
Sep 1081°F53°F95°F 199037°F 194521%0%
Sep 1180°F52°F97°F 195936°F 194721%0%
Sep 1280°F52°F97°F 199034°F 197421%0%
Sep 1379°F51°F98°F 199034°F 196721%0%
Sep 1479°F51°F97°F 199030°F 199321%0%
Sep 1578°F51°F95°F 200033°F 199121%0%
Sep 1678°F50°F94°F 195234°F 197021%0%
Sep 1778°F50°F94°F 195230°F 196521%0%
Sep 1877°F49°F91°F 195223°F 196521%0%
Sep 1977°F49°F93°F 196225°F 197821%0%
Sep 2076°F49°F94°F 195226°F 197821%0%
Sep 2176°F48°F92°F 195326°F 197821%0%
Sep 2275°F48°F91°F 195327°F 196821%0%
Sep 2375°F47°F91°F 194327°F 196821%0%
Sep 2474°F47°F94°F 196629°F 194521%0%
Sep 2574°F46°F92°F 194727°F 195821%0%
Sep 2673°F46°F90°F 194728°F 197021%0%
Sep 2773°F46°F94°F 195231°F 199621%0%
Sep 2872°F45°F92°F 195228°F 199921%0%
Sep 2972°F45°F91°F 202425°F 198521%0%
Sep 3071°F44°F91°F 195726°F 198521%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Nephi, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:56 AM, sunset 7:58 PM
September 30
sunrise 7:23 AM, sunset 7:11 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00426135 (Nephi), public domain. Records: NOAA GHCN-Daily, station USC00426135, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.