South Bend climate

South Bend Weather in September

NOAA 1991-2020 normals for S Bend, 2 km from South Bend

Average highs run from 79°F on September 1 to 71°F on September 30, and lows from 58°F to 48°F. Normal precipitation for the month is 3.67 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at South Bend, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
54°F
Precipitation
3.67 in
Record high
99°FSep 1, 1953
Record low
29°FSep 28, 1942
Chance of a freeze
2%
Days of 90°F or more
3.5
Daylight
13 h 07 min to 11 h 47 min
Cloud cover
51%
Humidity
71%
Dew point
54°F
Wind
8.7 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 179°F58°F99°F 195341°F 19090%
Sep 279°F58°F99°F 191341°F 19090%
Sep 378°F58°F96°F 191339°F 19080%
Sep 478°F57°F96°F 192540°F 19080%
Sep 578°F57°F98°F 192540°F 19020%
Sep 678°F57°F97°F 193340°F 19620%
Sep 778°F56°F99°F 192240°F 19860%
Sep 878°F56°F99°F 193340°F 19320%
Sep 977°F56°F97°F 189743°F 19140%
Sep 1077°F56°F97°F 201335°F 19170%
Sep 1177°F55°F96°F 193133°F 19170%
Sep 1277°F55°F96°F 189740°F 19640%
Sep 1377°F55°F97°F 189733°F 19640%
Sep 1476°F54°F98°F 189736°F 18990%
Sep 1576°F54°F96°F 189738°F 19530%
Sep 1676°F54°F93°F 192734°F 19160%
Sep 1776°F53°F94°F 192735°F 19590%
Sep 1875°F53°F94°F 189535°F 19000%
Sep 1975°F53°F95°F 190634°F 19290%
Sep 2075°F52°F95°F 190834°F 18970%
Sep 2174°F52°F94°F 190832°F 18970%
Sep 2274°F52°F95°F 190834°F 19040%
Sep 2374°F51°F95°F 192230°F 18960%
Sep 2473°F51°F94°F 192230°F 19280%
Sep 2573°F50°F95°F 190830°F 19420%
Sep 2673°F50°F91°F 190831°F 19280%
Sep 2772°F50°F91°F 190834°F 19090%
Sep 2872°F49°F89°F 190829°F 19420%
Sep 2971°F49°F94°F 195330°F 19420%
Sep 3071°F48°F91°F 189731°F 18990%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at South Bend, in percent, and of at least 0.1 inch of snowfall.00.10.20.30.41102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 7:11 AM, sunset 8:18 PM
September 30
sunrise 7:41 AM, sunset 7:28 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00128437 (S Bend), public domain. Records: NOAA GHCN-Daily, station USW00014848, 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.