Carlton climate

Carlton Weather in September

NOAA 1991-2020 normals for Stevensville, 18.1 km from Carlton

Average highs run from 79°F on September 1 to 67°F on September 30, and lows from 44°F to 37°F. Normal precipitation for the month is 0.84 in over about 7 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 Carlton, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
40°F
Precipitation
0.84 in
Record high
99°FSep 1, 1967
Record low
20°FSep 14, 1970
Chance of a freeze
85%
Days of 90°F or more
1.6
Daylight
13 h 19 min to 11 h 44 min
Cloud cover
51%
Humidity
57%
Dew point
34°F
Wind
4.5 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 179°F44°F99°F 196733°F 200620%0%
Sep 279°F44°F97°F 201734°F 197321%0%
Sep 378°F43°F98°F 195031°F 195821%0%
Sep 478°F43°F95°F 196731°F 196221%0%
Sep 578°F43°F96°F 196735°F 196221%0%
Sep 677°F43°F93°F 196633°F 194821%0%
Sep 777°F42°F95°F 202228°F 199221%0%
Sep 877°F42°F92°F 196730°F 196021%0%
Sep 976°F42°F92°F 198128°F 196222%0%
Sep 1076°F42°F91°F 201128°F 198322%0%
Sep 1176°F42°F92°F 195930°F 196422%0%
Sep 1275°F41°F91°F 201325°F 201422%0%
Sep 1375°F41°F89°F 201327°F 197022%0%
Sep 1475°F41°F90°F 194820°F 197022%0%
Sep 1574°F41°F90°F 195322°F 197022%0%
Sep 1674°F40°F91°F 200927°F 197022%0%
Sep 1773°F40°F91°F 198124°F 196522%0%
Sep 1873°F40°F90°F 198124°F 197122%0%
Sep 1973°F40°F88°F 200923°F 196422%0%
Sep 2072°F39°F87°F 202524°F 198322%0%
Sep 2172°F39°F92°F 196723°F 197122%0%
Sep 2271°F39°F88°F 201425°F 199323%0%
Sep 2371°F39°F90°F 201120°F 200023%0%
Sep 2470°F38°F92°F 201423°F 200023%0%
Sep 2570°F38°F90°F 202425°F 197023%0%
Sep 2669°F38°F86°F 195223°F 197223%0%
Sep 2769°F38°F89°F 195724°F 196423%0%
Sep 2868°F37°F88°F 196722°F 198423%0%
Sep 2968°F37°F86°F 196720°F 198523%0%
Sep 3067°F37°F85°F 196320°F 198523%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Carlton, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:56 AM, sunset 8:15 PM
September 30
sunrise 7:34 AM, sunset 7:18 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00247894 (Stevensville), public domain. Records: NOAA GHCN-Daily, station USW00024153, 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.