Roberts climate

Roberts Weather in September

NOAA 1991-2020 normals for Rigby, 17.8 km from Roberts

Average highs run from 81°F on September 1 to 68°F on September 30, and lows from 50°F to 41°F. Normal precipitation for the month is 1.09 in.

September day by day

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

Normal daily high and low temperature at Roberts, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
75°F
Average low
46°F
Precipitation
1.09 in
Record high
100°FSep 3, 2022
Record low
18°FSep 20, 1983
Chance of a freeze
34%
Daylight
13 h 12 min to 11 h 46 min
Cloud cover
44%
Humidity
46%
Dew point
34°F
Wind
7.8 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 181°F50°F96°F 202232°F 19650%
Sep 280°F50°F96°F 195033°F 19750%
Sep 380°F50°F100°F 202230°F 19640%
Sep 480°F49°F97°F 202231°F 19650%
Sep 579°F49°F97°F 202033°F 19650%
Sep 679°F49°F99°F 202231°F 20100%
Sep 779°F49°F99°F 202230°F 19920%
Sep 878°F48°F92°F 202129°F 20010%
Sep 978°F48°F95°F 202126°F 19620%
Sep 1078°F48°F95°F 195929°F 20200%
Sep 1177°F48°F93°F 199032°F 19640%
Sep 1277°F47°F91°F 199024°F 20140%
Sep 1376°F47°F91°F 194829°F 19890%
Sep 1476°F47°F94°F 199028°F 19930%
Sep 1576°F46°F91°F 200026°F 19700%
Sep 1675°F46°F89°F 200029°F 19650%
Sep 1775°F46°F90°F 201424°F 19650%
Sep 1874°F46°F90°F 195621°F 19650%
Sep 1974°F45°F90°F 195622°F 19650%
Sep 2073°F45°F86°F 202218°F 19830%
Sep 2173°F44°F86°F 196622°F 19830%
Sep 2272°F44°F87°F 196625°F 19710%
Sep 2372°F44°F88°F 198723°F 19850%
Sep 2471°F43°F88°F 198718°F 20000%
Sep 2571°F43°F89°F 200121°F 19700%
Sep 2670°F43°F87°F 196326°F 19700%
Sep 2770°F42°F86°F 196924°F 19640%
Sep 2869°F42°F89°F 202418°F 19990%
Sep 2969°F41°F89°F 195718°F 19850%
Sep 3068°F41°F90°F 195718°F 19850%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Roberts, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:52 AM, sunset 8:04 PM
September 30
sunrise 7:25 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 USC00107689 (Rigby), public domain. Records: NOAA GHCN-Daily, station USW00024145, 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.