La Crescent climate

La Crescent Weather in September

NOAA 1991-2020 normals for La Crescent Dam 7, 4.2 km from La Crescent

Average highs run from 76°F on September 1 to 66°F on September 30, and lows from 60°F to 51°F. Normal precipitation for the month is 3.87 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 La Crescent, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
72°F
Average low
56°F
Precipitation
3.87 in
Record high
100°FSep 7, 1978
Record low
23°FSep 29, 1949
Chance of a freeze
0%
Daylight
13 h 12 min to 11 h 46 min
Cloud cover
53%
Humidity
74%
Dew point
52°F
Wind
9.8 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°F60°F96°F 195336°F 194929%0%
Sep 276°F60°F97°F 202340°F 194629%0%
Sep 376°F60°F99°F 202338°F 197429%0%
Sep 475°F60°F98°F 202339°F 197429%0%
Sep 575°F59°F92°F 194542°F 195029%0%
Sep 675°F59°F95°F 199041°F 198830%0%
Sep 774°F59°F100°F 197840°F 195630%0%
Sep 874°F58°F99°F 197839°F 199530%0%
Sep 974°F58°F100°F 195542°F 194930%0%
Sep 1074°F58°F95°F 197838°F 194330%0%
Sep 1173°F57°F93°F 197834°F 194330%0%
Sep 1273°F57°F92°F 199835°F 195530%0%
Sep 1373°F57°F95°F 193936°F 197530%0%
Sep 1472°F56°F97°F 193939°F 200730%0%
Sep 1572°F56°F96°F 193934°F 200730%0%
Sep 1672°F56°F93°F 195538°F 194330%0%
Sep 1771°F55°F93°F 195531°F 194330%0%
Sep 1871°F55°F95°F 195536°F 195930%0%
Sep 1971°F55°F92°F 194836°F 195630%0%
Sep 2070°F54°F89°F 194032°F 199130%0%
Sep 2170°F54°F90°F 200736°F 199930%0%
Sep 2270°F54°F95°F 201732°F 197430%0%
Sep 2369°F53°F94°F 201731°F 197430%0%
Sep 2469°F53°F93°F 201727°F 194230%0%
Sep 2568°F53°F88°F 201726°F 194230%0%
Sep 2668°F52°F90°F 199829°F 198430%0%
Sep 2768°F52°F86°F 198729°F 194230%0%
Sep 2867°F52°F87°F 197124°F 194230%0%
Sep 2967°F51°F87°F 202523°F 194930%0%
Sep 3066°F51°F91°F 201927°F 194730%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at La Crescent, 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 6:29 AM, sunset 7:41 PM
September 30
sunrise 7:02 AM, sunset 6:48 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00214418 (La Crescent Dam 7), public domain. Records: NOAA GHCN-Daily, station USW00014920, 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.