Bay Harbor climate

Bay Harbor Weather in September

NOAA 1991-2020 normals for Petoskey, 8.3 km from Bay Harbor

Average highs run from 73°F on September 1 to 63°F on September 30, and lows from 56°F to 47°F. Normal precipitation for the month is 3.55 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 Bay Harbor, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
69°F
Average low
51°F
Precipitation
3.55 in
Record high
94°FSep 6, 2023
Record low
29°FSep 18, 2020
Chance of a freeze
7%
Daylight
13 h 16 min to 11 h 45 min
Cloud cover
63%
Humidity
78%
Dew point
53°F
Wind
11.4 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 173°F56°F89°F 201040°F 201737%0%
Sep 273°F56°F88°F 200839°F 201737%0%
Sep 373°F55°F88°F 200843°F 201737%0%
Sep 473°F55°F87°F 202345°F 200938%0%
Sep 572°F55°F88°F 202342°F 201938%0%
Sep 672°F55°F94°F 202335°F 201138%0%
Sep 772°F54°F89°F 201535°F 201139%0%
Sep 872°F54°F81°F 201640°F 201139%0%
Sep 971°F54°F80°F 200937°F 201739%0%
Sep 1071°F53°F83°F 202238°F 200840%0%
Sep 1171°F53°F86°F 201335°F 202040%0%
Sep 1271°F53°F81°F 201137°F 202040%0%
Sep 1370°F52°F84°F 201135°F 201541%0%
Sep 1470°F52°F84°F 202437°F 201341%0%
Sep 1570°F52°F84°F 202438°F 201041%0%
Sep 1669°F51°F86°F 202432°F 201141%0%
Sep 1769°F51°F86°F 201734°F 201342%0%
Sep 1868°F51°F87°F 201829°F 202042%0%
Sep 1968°F50°F82°F 201930°F 202043%
Sep 2068°F50°F82°F 201334°F 201043%
Sep 2167°F50°F82°F 201738°F 201044%
Sep 2267°F49°F87°F 201941°F 201844%
Sep 2366°F49°F92°F 201732°F 201344%
Sep 2466°F49°F91°F 201733°F 201345%
Sep 2566°F48°F90°F 201736°F 201345%
Sep 2665°F48°F90°F 201735°F 201346%
Sep 2765°F48°F90°F 201734°F 201246%
Sep 2864°F47°F78°F 201336°F 201247%
Sep 2964°F47°F79°F 201530°F 202247%
Sep 3063°F47°F76°F 202431°F 202248%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bay Harbor, 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 (EDT).

September 1
sunrise 7:02 AM, sunset 8:18 PM
September 30
sunrise 7:37 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 USC00206507 (Petoskey), public domain. Records: NOAA GHCN-Daily, station USC00206510, 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.