Mountain Ranch climate

Mountain Ranch Weather in September

NOAA 1991-2020 normals for Calaveras Big Trees, 20.8 km from Mountain Ranch

Average highs run from 77°F on September 1 to 69°F on September 30, and lows from 53°F to 47°F. Normal precipitation for the month is 0.39 in over about 2 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 Mountain Ranch, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
51°F
Precipitation
0.39 in
Record high
114°FSep 7, 2022
Record low
34°FSep 20, 2007
Chance of a freeze
6%
Daylight
13 h 00 min to 11 h 49 min
Cloud cover
20%
Humidity
35%
Dew point
39°F
Wind
5.1 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°F53°F106°F 199845°F 20124%0%
Sep 277°F53°F109°F 201753°F 20264%0%
Sep 377°F53°F109°F 202248°F 19944%0%
Sep 477°F53°F107°F 202250°F 19945%0%
Sep 577°F53°F108°F 202247°F 19965%0%
Sep 676°F53°F112°F 202248°F 19965%0%
Sep 776°F52°F114°F 202250°F 19965%0%
Sep 876°F52°F110°F 202252°F 20195%0%
Sep 976°F52°F109°F 202248°F 20105%0%
Sep 1075°F52°F106°F 201547°F 19945%0%
Sep 1175°F52°F105°F 201546°F 19946%0%
Sep 1275°F52°F103°F 200947°F 19946%0%
Sep 1375°F51°F102°F 201446°F 20166%0%
Sep 1474°F51°F100°F 200647°F 20166%
Sep 1574°F51°F102°F 201448°F 20066%
Sep 1674°F51°F100°F 201247°F 20156%
Sep 1774°F51°F98°F 201247°F 19936%
Sep 1873°F50°F100°F 202547°F 19937%
Sep 1973°F50°F101°F 200042°F 20197%
Sep 2073°F50°F101°F 201634°F 20077%
Sep 2172°F50°F103°F 201547°F 20047%
Sep 2272°F49°F101°F 201544°F 20167%
Sep 2372°F49°F104°F 200347°F 20177%
Sep 2471°F49°F102°F 201141°F 20087%
Sep 2571°F49°F101°F 202449°F 20137%
Sep 2671°F48°F101°F 201045°F 20138%
Sep 2770°F48°F102°F 200950°F 19988%
Sep 2870°F48°F103°F 200942°F 20198%
Sep 2970°F47°F105°F 201044°F 20198%
Sep 3069°F47°F103°F 201042°F 20098%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mountain Ranch, in percent, and of at least 0.1 inch of snowfall.024681102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

September 1
sunrise 6:32 AM, sunset 7:32 PM
September 30
sunrise 6:57 AM, sunset 6:46 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041277 (Calaveras Big Trees), public domain. Records: NOAA GHCN-Daily, station USC00046174, 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.