Hermann climate

Hermann Weather in September

NOAA 1991-2020 normals for Rosebud, 28.7 km from Hermann

Average highs run from 84°F on September 1 to 74°F on September 30, and lows from 58°F to 47°F. Normal precipitation for the month is 4.01 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 Hermann, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
79°F
Average low
52°F
Precipitation
4.01 in
Record high
101°FSep 6, 2026
Record low
36°FSep 23, 2012
Chance of a freeze
14%
Days of 90°F or more
3.2
Daylight
13 h 01 min to 11 h 49 min
Cloud cover
47%
Humidity
69%
Dew point
56°F
Wind
4.3 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 184°F58°F99°F 201148°F 200927%0%
Sep 284°F57°F100°F 201148°F 200926%0%
Sep 383°F57°F99°F 202650°F 201726%0%
Sep 483°F57°F98°F 202651°F 201026%0%
Sep 583°F56°F98°F 202650°F 201026%0%
Sep 683°F56°F101°F 202648°F 201726%0%
Sep 782°F56°F93°F 201645°F 201726%0%
Sep 882°F55°F93°F 201341°F 202426%0%
Sep 982°F55°F91°F 202642°F 202426%0%
Sep 1081°F55°F96°F 201344°F 202427%0%
Sep 1181°F54°F96°F 201346°F 202427%0%
Sep 1281°F54°F94°F 201349°F 201727%0%
Sep 1380°F53°F94°F 202543°F 201427%0%
Sep 1480°F53°F96°F 202542°F 201427%0%
Sep 1580°F53°F97°F 202542°F 201427%0%
Sep 1679°F52°F98°F 202645°F 201127%0%
Sep 1779°F52°F93°F 201949°F 201427%0%
Sep 1879°F51°F97°F 202648°F 202327%0%
Sep 1978°F51°F94°F 201842°F 201227%0%
Sep 2078°F51°F95°F 202243°F 202027%0%
Sep 2178°F50°F96°F 202241°F 201527%0%
Sep 2277°F50°F94°F 202245°F 202027%0%
Sep 2377°F49°F95°F 201736°F 201227%0%
Sep 2476°F49°F91°F 201736°F 201227%0%
Sep 2576°F49°F91°F 201739°F 201227%0%
Sep 2676°F48°F89°F 201641°F 201127%0%
Sep 2775°F48°F90°F 202342°F 202227%0%
Sep 2875°F47°F91°F 202142°F 202227%0%
Sep 2975°F47°F89°F 202140°F 202227%0%
Sep 3074°F47°F89°F 201940°F 202227%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Hermann, 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 6:35 AM, sunset 7:36 PM
September 30
sunrise 7:01 AM, sunset 6:50 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00237300 (Rosebud), public domain. Records: NOAA GHCN-Daily, station USC00238746, 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.