Dawson climate

Dawson Weather in September

NOAA 1991-2020 normals for Madison Wwtp, 11.7 km from Dawson

Average highs run from 77°F on September 1 to 68°F on September 30, and lows from 55°F to 43°F. Normal precipitation for the month is 2.64 in over about 8 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 Dawson, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
49°F
Precipitation
2.64 in
Record high
100°FSep 2, 1983
Record low
17°FSep 22, 1974
Chance of a freeze
41%
Days of 90°F or more
1.7
Daylight
13 h 15 min to 11 h 45 min
Cloud cover
53%
Humidity
64%
Dew point
48°F
Wind
11.0 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 177°F55°F95°F 196034°F 197428%0%
Sep 277°F54°F100°F 198333°F 197428%0%
Sep 377°F54°F96°F 196032°F 197428%0%
Sep 477°F54°F100°F 202330°F 197428%0%
Sep 576°F53°F100°F 202335°F 196528%0%
Sep 676°F53°F98°F 197634°F 195628%0%
Sep 776°F53°F99°F 197838°F 202528%0%
Sep 876°F52°F100°F 195935°F 197228%0%
Sep 975°F52°F95°F 196136°F 194328%0%
Sep 1075°F52°F94°F 199831°F 202028%0%
Sep 1175°F51°F95°F 197832°F 195528%0%
Sep 1275°F51°F95°F 201232°F 200728%0%
Sep 1374°F50°F94°F 197632°F 197528%0%
Sep 1474°F50°F92°F 194834°F 194928%0%
Sep 1574°F50°F99°F 195530°F 196428%0%
Sep 1673°F49°F94°F 201830°F 200728%0%
Sep 1773°F49°F93°F 195530°F 200728%0%
Sep 1873°F48°F94°F 198431°F 197128%0%
Sep 1972°F48°F97°F 198432°F 197128%
Sep 2072°F47°F96°F 198428°F 197328%
Sep 2172°F47°F90°F 200532°F 200028%
Sep 2271°F47°F90°F 195817°F 197428%
Sep 2371°F46°F92°F 200725°F 198328%
Sep 2470°F46°F87°F 199024°F 194227%
Sep 2570°F45°F89°F 199026°F 200027%
Sep 2669°F45°F93°F 197423°F 196527%
Sep 2769°F44°F96°F 195624°F 194227%
Sep 2869°F44°F90°F 198318°F 194227%
Sep 2968°F43°F91°F 201126°F 194527%
Sep 3068°F43°F93°F 202528°F 197227%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dawson, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:46 AM, sunset 8:01 PM
September 30
sunrise 7:21 AM, sunset 7:06 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00214994 (Madison Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00214994, 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.