Gallatin climate

Gallatin Weather in September

NOAA 1991-2020 normals for Gallatin 1W, 1 km from Gallatin

Average highs run from 82°F on September 1 to 72°F on September 30, and lows from 60°F to 49°F. Normal precipitation for the month is 4.53 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 Gallatin, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
54°F
Precipitation
4.53 in
Record high
99°FSep 3, 2026
Record low
43°FSep 29, 2022
Chance of a freeze
3%
Days of 90°F or more
3.2
Daylight
13 h 03 min to 11 h 49 min
Cloud cover
46%
Humidity
70%
Dew point
56°F
Wind
9.2 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°F60°F96°F 202657°F 201927%0%
Sep 281°F59°F98°F 202651°F 202427%0%
Sep 381°F59°F99°F 202651°F 202427%0%
Sep 481°F59°F96°F 202648°F 202526%0%
Sep 581°F58°F97°F 202648°F 202526%0%
Sep 680°F58°F99°F 202647°F 201726%0%
Sep 780°F58°F97°F 202647°F 201726%0%
Sep 880°F57°F91°F 202050°F 201726%0%
Sep 979°F57°F97°F 202647°F 202026%0%
Sep 1079°F57°F90°F 201947°F 202026%0%
Sep 1179°F56°F88°F 202151°F 202026%0%
Sep 1278°F56°F90°F 202552°F 202226%0%
Sep 1378°F55°F96°F 202552°F 202226%0%
Sep 1478°F55°F95°F 202553°F 202026%0%
Sep 1578°F55°F91°F 202653°F 202026%0%
Sep 1677°F54°F91°F 201855°F 202025%0%
Sep 1777°F54°F96°F 202452°F 202325%0%
Sep 1877°F54°F93°F 202649°F 202025%0%
Sep 1976°F53°F92°F 201849°F 202025%0%
Sep 2076°F53°F95°F 202250°F 202025%0%
Sep 2175°F52°F96°F 202250°F 202024%0%
Sep 2275°F52°F91°F 201746°F 201824%0%
Sep 2375°F52°F91°F 201745°F 201824%0%
Sep 2474°F51°F91°F 201748°F 202224%0%
Sep 2574°F51°F90°F 201748°F 202124%0%
Sep 2674°F50°F88°F 201746°F 201823%0%
Sep 2773°F50°F90°F 202145°F 201823%0%
Sep 2873°F50°F90°F 202145°F 201823%0%
Sep 2972°F49°F90°F 202143°F 202223%0%
Sep 3072°F49°F91°F 202343°F 202023%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gallatin, 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 6:44 AM, sunset 7:47 PM
September 30
sunrise 7:11 AM, sunset 7:00 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00233102 (Gallatin 1W), public domain. Records: NOAA GHCN-Daily, station USC00231216, 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.