Walsh climate

Walsh Weather in September

NOAA 1991-2020 normals for Walsh 1 W, 1.9 km from Walsh

Average highs run from 87°F on September 1 to 77°F on September 30, and lows from 58°F to 46°F. Normal precipitation for the month is 1.43 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 Walsh, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
83°F
Average low
53°F
Precipitation
1.43 in
Record high
104°FSep 11, 2021
Record low
27°FSep 25, 2000
Chance of a freeze
8%
Days of 90°F or more
8.2
Daylight
12 h 58 min to 11 h 50 min
Cloud cover
39%
Humidity
50%
Dew point
47°F
Wind
11.6 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 187°F58°F101°F 201150°F 200321%0%
Sep 287°F58°F98°F 201249°F 200620%0%
Sep 386°F58°F100°F 202643°F 201020%0%
Sep 486°F57°F102°F 202642°F 200820%0%
Sep 586°F57°F99°F 200045°F 201120%0%
Sep 686°F57°F102°F 202047°F 201719%0%
Sep 786°F56°F100°F 202643°F 200119%0%
Sep 885°F56°F98°F 202633°F 202019%0%
Sep 985°F56°F99°F 202132°F 202019%0%
Sep 1085°F55°F100°F 202137°F 202019%0%
Sep 1184°F55°F104°F 202138°F 202018%0%
Sep 1284°F55°F96°F 200437°F 201418%0%
Sep 1384°F54°F98°F 202139°F 201218%0%
Sep 1483°F54°F98°F 202637°F 201218%0%
Sep 1583°F53°F97°F 202439°F 201218%0%
Sep 1683°F53°F98°F 200737°F 201218%0%
Sep 1782°F53°F97°F 200036°F 200618%0%
Sep 1882°F52°F96°F 202240°F 200317%0%
Sep 1982°F52°F96°F 202136°F 200317%0%
Sep 2081°F51°F98°F 202241°F 201717%0%
Sep 2181°F51°F97°F 200540°F 199917%0%
Sep 2281°F50°F92°F 201736°F 200917%0%
Sep 2380°F50°F93°F 200337°F 201217%0%
Sep 2480°F49°F93°F 200529°F 200017%0%
Sep 2579°F49°F98°F 202027°F 200017%0%
Sep 2679°F48°F99°F 202035°F 201616%0%
Sep 2779°F48°F97°F 200537°F 201816%0%
Sep 2878°F47°F94°F 201135°F 200616%0%
Sep 2978°F47°F93°F 201028°F 199916%0%
Sep 3077°F46°F91°F 200940°F 200316%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Walsh, 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 6:20 AM, sunset 7:18 PM
September 30
sunrise 6:44 AM, sunset 6:34 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00058793 (Walsh 1 W), public domain. Records: NOAA GHCN-Daily, station USW00003028, 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.