Genesee climate

Genesee Weather in September

NOAA 1991-2020 normals for Moscow U Of I, 19.8 km from Genesee

Average highs run from 82°F on September 1 to 70°F on September 30, and lows from 43°F to 36°F. Normal precipitation for the month is 1.01 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 Genesee, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
40°F
Precipitation
1.01 in
Record high
103°FSep 2, 1950
Record low
28°FSep 17, 1965
Chance of a freeze
95%
Days of 90°F or more
2.3
Daylight
13 h 18 min to 11 h 44 min
Cloud cover
44%
Humidity
51%
Dew point
41°F
Wind
6.0 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 182°F43°F102°F 202544°F 199914%0%
Sep 281°F43°F103°F 195043°F 199915%0%
Sep 381°F43°F102°F 199839°F 195615%0%
Sep 481°F42°F101°F 202039°F 195615%0%
Sep 580°F42°F101°F 197340°F 195615%0%
Sep 680°F42°F100°F 200342°F 201515%0%
Sep 780°F42°F100°F 202438°F 196016%0%
Sep 879°F42°F99°F 198137°F 196216%0%
Sep 979°F41°F96°F 202440°F 195916%0%
Sep 1079°F41°F97°F 199042°F 197217%0%
Sep 1178°F41°F99°F 195341°F 194917%0%
Sep 1278°F41°F97°F 201136°F 197017%0%
Sep 1378°F40°F96°F 201333°F 197018%0%
Sep 1477°F40°F99°F 201332°F 197018%0%
Sep 1577°F40°F98°F 197935°F 197018%0%
Sep 1676°F40°F97°F 198135°F 196519%0%
Sep 1776°F39°F99°F 198128°F 196519%0%
Sep 1876°F39°F97°F 198135°F 196520%0%
Sep 1975°F39°F96°F 200832°F 195720%0%
Sep 2075°F39°F92°F 197934°F 198321%0%
Sep 2174°F39°F101°F 196737°F 198321%0%
Sep 2274°F38°F99°F 196634°F 195521%0%
Sep 2373°F38°F97°F 200131°F 200022%0%
Sep 2473°F38°F100°F 201134°F 194822%0%
Sep 2572°F38°F94°F 202434°F 195523%0%
Sep 2672°F37°F92°F 195237°F 195523%0%
Sep 2771°F37°F93°F 196336°F 196124%0%
Sep 2871°F37°F95°F 196333°F 198524%0%
Sep 2970°F37°F88°F 196331°F 195024%0%
Sep 3070°F36°F89°F 197630°F 195425%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Genesee, 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 (PDT).

September 1
sunrise 6:08 AM, sunset 7:26 PM
September 30
sunrise 6:45 AM, sunset 6:29 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00106152 (Moscow U Of I), public domain. Records: NOAA GHCN-Daily, station USW00024149, 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.