Sewanee climate

Sewanee Weather in September

NOAA 1991-2020 normals for Sewanee, 0.3 km from Sewanee

Average highs run from 82°F on September 1 to 74°F on September 30, and lows from 64°F to 55°F. Normal precipitation for the month is 5.09 in over about 8 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 Sewanee, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
78°F
Average low
60°F
Precipitation
5.09 in
Record high
99°FSep 6, 1990
Record low
36°FSep 26, 2001
Chance of a freeze
0%
Days of 90°F or more
1.0
Daylight
12 h 54 min to 11 h 51 min
Cloud cover
50%
Humidity
67%
Dew point
59°F
Wind
4.9 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 182°F64°F95°F 202657°F 200930%0%
Sep 282°F64°F97°F 201147°F 198730%0%
Sep 381°F64°F97°F 199051°F 198730%0%
Sep 481°F63°F98°F 202644°F 201029%0%
Sep 581°F63°F98°F 199947°F 199729%0%
Sep 681°F63°F99°F 199049°F 201029%0%
Sep 781°F63°F99°F 199048°F 201728%0%
Sep 880°F62°F99°F 202650°F 201728%0%
Sep 980°F62°F95°F 199044°F 202428%0%
Sep 1080°F62°F94°F 201647°F 199827%0%
Sep 1180°F62°F94°F 201045°F 199327%0%
Sep 1279°F61°F95°F 201647°F 199327%0%
Sep 1379°F61°F96°F 199849°F 199627%0%
Sep 1479°F61°F94°F 201645°F 199627%0%
Sep 1578°F60°F95°F 202650°F 200627%0%
Sep 1678°F60°F96°F 202645°F 200027%0%
Sep 1778°F60°F96°F 202641°F 200027%0%
Sep 1878°F60°F93°F 201644°F 199927%0%
Sep 1977°F59°F94°F 201643°F 201227%0%
Sep 2077°F59°F95°F 201645°F 199127%0%
Sep 2177°F59°F95°F 201043°F 199127%0%
Sep 2276°F58°F96°F 201642°F 200627%0%
Sep 2376°F58°F96°F 202437°F 199927%0%
Sep 2476°F57°F94°F 202438°F 201227%0%
Sep 2575°F57°F92°F 201641°F 199027%0%
Sep 2675°F57°F90°F 200736°F 200126%0%
Sep 2775°F56°F91°F 199839°F 200026%0%
Sep 2874°F56°F92°F 201940°F 199326%0%
Sep 2974°F56°F92°F 201938°F 200326%0%
Sep 3074°F55°F93°F 201937°F 199327%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sewanee, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:16 AM, sunset 7:10 PM
September 30
sunrise 6:38 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 USC00408184 (Sewanee), public domain. Records: NOAA GHCN-Daily, station USC00409800, 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.