Greenbush climate

Greenbush Weather in September

NOAA 1991-2020 normals for Agassiz Refuge, 46.9 km from Greenbush

Average highs run from 76°F on September 1 to 63°F on September 30, and lows from 54°F to 41°F. Normal precipitation for the month is 2.70 in over about 10 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 Greenbush, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
70°F
Average low
48°F
Precipitation
2.70 in
Record high
96°FSep 11, 1931
Record low
16°FSep 21, 2012
Chance of a freeze
39%
Daylight
13 h 24 min to 11 h 42 min
Cloud cover
61%
Humidity
69%
Dew point
46°F
Wind
11.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 176°F54°F88°F 192132°F 190934%
Sep 276°F54°F90°F 191530°F 194634%
Sep 376°F53°F93°F 198329°F 191134%
Sep 475°F53°F89°F 191531°F 191834%
Sep 575°F53°F94°F 197829°F 190334%
Sep 675°F52°F91°F 191529°F 193434%
Sep 774°F52°F93°F 197628°F 191234%
Sep 874°F52°F84°F 200626°F 190134%
Sep 973°F51°F86°F 193127°F 190134%
Sep 1073°F51°F92°F 195227°F 191734%
Sep 1172°F51°F96°F 193126°F 196434%
Sep 1272°F50°F88°F 193122°F 191033%
Sep 1372°F50°F87°F 195224°F 197533%
Sep 1471°F49°F87°F 192726°F 196433%
Sep 1571°F49°F83°F 196827°F 201133%
Sep 1670°F48°F85°F 200624°F 193433%
Sep 1770°F48°F84°F 199825°F 195933%
Sep 1869°F47°F89°F 199819°F 192932%
Sep 1969°F47°F90°F 191421°F 201232%
Sep 2068°F46°F89°F 191424°F 197332%
Sep 2168°F46°F82°F 192216°F 201232%
Sep 2267°F45°F87°F 192222°F 197431%
Sep 2367°F45°F84°F 193022°F 191331%
Sep 2466°F44°F87°F 200722°F 191231%
Sep 2566°F44°F88°F 199219°F 193931%
Sep 2665°F43°F84°F 193818°F 196531%
Sep 2765°F43°F88°F 195217°F 191231%
Sep 2864°F42°F83°F 192217°F 191230%
Sep 2964°F42°F80°F 201119°F 191230%
Sep 3063°F41°F82°F 201220°F 191230%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:42 AM, sunset 8:06 PM
September 30
sunrise 7:23 AM, sunset 7:05 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00210050 (Agassiz Refuge), public domain. Records: NOAA GHCN-Daily, station USC00218679, 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.