Bennett County climate

Bennett County Weather in September

NOAA 1991-2020 normals for Martin, 6.3 km from Bennett County

Average highs run from 83°F on September 1 to 70°F on September 30, and lows from 53°F to 42°F. Normal precipitation for the month is 1.19 in over about 5 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 Bennett County, in °F, with the record for each date.0255075100125151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
48°F
Precipitation
1.19 in
Snowfall
0.1 in
Record high
105°FSep 9, 1931
Record low
1°FSep 25, 1926
Chance of a freeze
41%
Days of 90°F or more
4.5
Daylight
13 h 10 min to 11 h 46 min
Cloud cover
47%
Humidity
53%
Dew point
44°F
Wind
11.4 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 183°F53°F103°F 198333°F 195617%0%
Sep 283°F53°F104°F 198329°F 195217%0%
Sep 383°F53°F100°F 200127°F 192817%0%
Sep 482°F52°F101°F 193129°F 193517%0%
Sep 582°F52°F101°F 202228°F 192917%0%
Sep 682°F52°F99°F 193128°F 195617%0%
Sep 781°F51°F102°F 193132°F 191817%0%
Sep 881°F51°F99°F 193128°F 194317%0%
Sep 981°F51°F105°F 193125°F 194117%0%
Sep 1080°F50°F99°F 202125°F 196217%0%
Sep 1180°F50°F98°F 201726°F 194017%0%
Sep 1280°F50°F98°F 193929°F 198917%0%
Sep 1379°F49°F95°F 193525°F 199317%0%
Sep 1479°F49°F96°F 193521°F 196117%0%
Sep 1578°F48°F98°F 194818°F 191618%0%
Sep 1678°F48°F94°F 201823°F 191818%1%
Sep 1777°F48°F98°F 200025°F 191618%1%
Sep 1877°F47°F98°F 198423°F 191818%1%
Sep 1976°F47°F99°F 198425°F 192218%1%
Sep 2076°F46°F97°F 191414°F 191818%1%
Sep 2175°F46°F96°F 192220°F 192718%1%
Sep 2275°F45°F95°F 193919°F 191618%1%
Sep 2374°F45°F94°F 193523°F 199518%1%
Sep 2473°F45°F92°F 201821°F 192618%1%
Sep 2573°F44°F91°F 19241°F 192618%1%
Sep 2672°F44°F98°F 191415°F 192618%1%
Sep 2772°F43°F96°F 202119°F 192818%1%
Sep 2871°F43°F91°F 202122°F 193418%1%
Sep 2970°F42°F93°F 193816°F 192018%1%
Sep 3070°F42°F92°F 198018°F 192018%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bennett County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:11 AM, sunset 7:21 PM
September 30
sunrise 6:43 AM, sunset 6:29 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00395281 (Martin), public domain. Records: NOAA GHCN-Daily, station USC00253355, 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.