Deephaven climate

Deephaven Weather in September

NOAA 1991-2020 normals for Chanhassen Wsfo, 9.5 km from Deephaven

Average highs run from 76°F on September 1 to 65°F on September 30, and lows from 57°F to 45°F. Normal precipitation for the month is 3.29 in over about 9 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 Deephaven, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
71°F
Average low
51°F
Precipitation
3.29 in
Record high
99°FSep 3, 2023
Record low
31°FSep 24, 2000
Chance of a freeze
21%
Days of 90°F or more
0.5
Daylight
13 h 15 min to 11 h 45 min
Cloud cover
55%
Humidity
70%
Dew point
50°F
Wind
10.1 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 176°F57°F94°F 201150°F 200931%0%
Sep 276°F56°F90°F 199948°F 199831%0%
Sep 376°F56°F99°F 202348°F 201331%0%
Sep 476°F56°F99°F 202348°F 202031%0%
Sep 575°F55°F92°F 199848°F 201031%0%
Sep 675°F55°F92°F 200345°F 200831%0%
Sep 775°F55°F94°F 201343°F 202531%0%
Sep 874°F54°F93°F 200244°F 201031%0%
Sep 974°F54°F95°F 201338°F 202031%0%
Sep 1074°F54°F89°F 199836°F 202031%0%
Sep 1173°F53°F97°F 201242°F 201431%0%
Sep 1273°F53°F91°F 199839°F 200732%0%
Sep 1373°F52°F95°F 199833°F 201432%0%
Sep 1472°F52°F90°F 202539°F 200732%0%
Sep 1572°F52°F93°F 201832°F 200732%
Sep 1672°F51°F92°F 201839°F 201432%
Sep 1771°F51°F89°F 202443°F 202032%
Sep 1871°F50°F92°F 200040°F 202032%
Sep 1970°F50°F94°F 199844°F 200332%
Sep 2070°F49°F92°F 202237°F 200633%
Sep 2169°F49°F89°F 200533°F 199933%
Sep 2269°F48°F93°F 201741°F 199833%
Sep 2369°F48°F89°F 201733°F 201233%
Sep 2468°F48°F90°F 201731°F 200033%
Sep 2568°F47°F84°F 202034°F 200033%
Sep 2667°F47°F86°F 200838°F 200133%
Sep 2767°F46°F86°F 201338°F 200233%
Sep 2866°F46°F86°F 202433°F 202233%
Sep 2966°F45°F87°F 202534°F 200333%
Sep 3065°F45°F87°F 200232°F 200333%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Deephaven, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:36 AM, sunset 7:51 PM
September 30
sunrise 7:11 AM, sunset 6:56 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00211448 (Chanhassen Wsfo), public domain. Records: NOAA GHCN-Daily, station USW00094963, 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.