College climate

College Weather in September

NOAA 1991-2020 normals for College Obsy, 2.2 km from College

Average highs run from 61°F on September 1 to 46°F on September 30, and lows from 40°F to 28°F. Normal precipitation for the month is 1.56 in over about 12 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 College, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
54°F
Average low
35°F
Precipitation
1.56 in
Snowfall
2.3 in
Record high
84°FSep 5, 1957
Record low
3°FSep 30, 1992
Chance of a freeze
99%
Daylight
14 h 36 min to 11 h 23 min
Cloud cover
71%
Humidity
84%
Dew point
37°F
Wind
4.7 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 161°F40°F80°F 196327°F 193246%1%
Sep 260°F40°F73°F 193527°F 198046%1%
Sep 360°F40°F75°F 196329°F 198045%1%
Sep 459°F39°F74°F 195724°F 198045%1%
Sep 559°F39°F84°F 195723°F 197645%1%
Sep 659°F38°F72°F 198126°F 195244%2%
Sep 758°F38°F77°F 194020°F 195244%2%
Sep 858°F38°F74°F 199724°F 195243%2%
Sep 957°F37°F73°F 197924°F 194443%2%
Sep 1057°F37°F75°F 196518°F 199243%2%
Sep 1156°F36°F74°F 196126°F 195942%3%
Sep 1256°F36°F76°F 196525°F 199242%3%
Sep 1355°F36°F74°F 196523°F 193541%3%
Sep 1455°F35°F76°F 201421°F 198741%4%
Sep 1554°F35°F74°F 197315°F 199241%4%
Sep 1654°F34°F71°F 196612°F 199240%4%
Sep 1753°F34°F71°F 196724°F 194140%5%
Sep 1853°F34°F74°F 199519°F 193940%5%
Sep 1952°F33°F73°F 199512°F 193939%6%
Sep 2052°F33°F73°F 199514°F 193939%6%
Sep 2151°F32°F78°F 199518°F 194738%7%
Sep 2251°F32°F73°F 199512°F 194738%7%
Sep 2350°F31°F72°F 19407°F 199237%8%
Sep 2449°F31°F69°F 19348°F 199237%8%
Sep 2549°F31°F68°F 193414°F 198337%9%
Sep 2648°F30°F69°F 193412°F 198336%10%
Sep 2748°F30°F67°F 19668°F 199236%10%
Sep 2847°F29°F64°F 196912°F 194635%11%
Sep 2946°F29°F68°F 194212°F 199235%12%
Sep 3046°F28°F71°F 20033°F 199234%13%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at College, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (AKDT).

September 1
sunrise 6:32 AM, sunset 9:08 PM
September 30
sunrise 7:59 AM, sunset 7:22 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00502107 (College Obsy), public domain. Records: NOAA GHCN-Daily, station USW00026411, 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.