Brilliant climate

Brilliant Weather in September

NOAA 1991-2020 normals for Winfield 2 Sw, 15.1 km from Brilliant

Average highs run from 88°F on September 1 to 81°F on September 30, and lows from 66°F to 56°F. Normal precipitation for the month is 3.78 in over about 7 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 Brilliant, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
85°F
Average low
62°F
Precipitation
3.78 in
Record high
101°FSep 5, 1954
Record low
33°FSep 29, 1967
Chance of a freeze
0%
Days of 90°F or more
7.5
Daylight
12 h 52 min to 11 h 52 min
Cloud cover
47%
Humidity
68%
Dew point
61°F
Wind
3.6 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 188°F66°F100°F 195154°F 194625%0%
Sep 288°F66°F99°F 195155°F 196725%0%
Sep 388°F66°F97°F 200052°F 195225%0%
Sep 488°F65°F99°F 195447°F 197425%0%
Sep 587°F65°F101°F 195448°F 197424%0%
Sep 687°F65°F101°F 195446°F 201024%0%
Sep 787°F65°F99°F 195447°F 198824%0%
Sep 887°F64°F98°F 199852°F 202423%0%
Sep 987°F64°F96°F 198048°F 195823%0%
Sep 1086°F64°F97°F 201948°F 195823%0%
Sep 1186°F63°F95°F 190343°F 197623%0%
Sep 1286°F63°F96°F 190343°F 194023%0%
Sep 1386°F63°F97°F 201942°F 197523%0%
Sep 1485°F62°F96°F 198443°F 197523%0%
Sep 1585°F62°F95°F 198046°F 197522%0%
Sep 1685°F62°F98°F 201945°F 196122%0%
Sep 1785°F61°F98°F 201941°F 200022%0%
Sep 1884°F61°F98°F 199842°F 190322%0%
Sep 1984°F61°F98°F 199842°F 198122%0%
Sep 2084°F60°F97°F 199843°F 193822%0%
Sep 2184°F60°F95°F 195443°F 195622%0%
Sep 2283°F59°F94°F 200538°F 198322%0%
Sep 2383°F59°F94°F 200539°F 197422%0%
Sep 2483°F59°F97°F 201042°F 198322%0%
Sep 2582°F58°F96°F 201641°F 196522%0%
Sep 2682°F58°F94°F 201939°F 197522%0%
Sep 2782°F57°F95°F 201934°F 197521%0%
Sep 2881°F57°F92°F 198638°F 197521%0%
Sep 2981°F56°F94°F 201933°F 196721%0%
Sep 3081°F56°F95°F 201933°F 196721%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brilliant, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:25 AM, sunset 7:17 PM
September 30
sunrise 6:45 AM, sunset 6:37 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00018998 (Winfield 2 Sw), public domain. Records: NOAA GHCN-Daily, station USC00013620, 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.