El Rancho climate

El Rancho Weather in September

NOAA 1991-2020 normals for Los Alamos, 21.9 km from El Rancho

Average highs run from 78°F on September 1 to 69°F on September 30, and lows from 53°F to 44°F. Normal precipitation for the month is 2.02 in over about 9 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 El Rancho, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
49°F
Precipitation
2.02 in
Record high
94°FSep 11, 1934
Record low
23°FSep 29, 1936
Chance of a freeze
10%
Daylight
12 h 56 min to 11 h 50 min
Cloud cover
42%
Humidity
52%
Dew point
38°F
Wind
6.0 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 178°F53°F88°F 195043°F 193238%0%
Sep 278°F53°F88°F 195040°F 197637%0%
Sep 377°F53°F90°F 194836°F 196136%0%
Sep 477°F53°F89°F 194833°F 196136%0%
Sep 577°F52°F88°F 195238°F 196135%0%
Sep 677°F52°F90°F 202042°F 192835%0%
Sep 777°F52°F88°F 202042°F 194234%0%
Sep 876°F52°F86°F 197732°F 202033%0%
Sep 976°F51°F87°F 198431°F 202033%0%
Sep 1076°F51°F90°F 202132°F 202032%0%
Sep 1176°F51°F94°F 193434°F 202032%0%
Sep 1275°F51°F86°F 193440°F 192431%0%
Sep 1375°F50°F86°F 193539°F 198931%0%
Sep 1475°F50°F89°F 200034°F 198930%0%
Sep 1575°F50°F85°F 195637°F 199329%0%
Sep 1674°F49°F87°F 195638°F 194129%0%
Sep 1774°F49°F87°F 195635°F 196828%0%
Sep 1874°F49°F84°F 195230°F 197128%0%
Sep 1973°F48°F83°F 195226°F 197127%0%
Sep 2073°F48°F85°F 201433°F 196527%
Sep 2173°F48°F83°F 201625°F 198326%
Sep 2272°F47°F82°F 201229°F 199526%
Sep 2372°F47°F80°F 192231°F 199526%
Sep 2471°F46°F81°F 197932°F 200625%
Sep 2571°F46°F83°F 202029°F 200025%
Sep 2671°F46°F83°F 202031°F 197024%
Sep 2770°F45°F84°F 201528°F 199624%
Sep 2870°F45°F82°F 199824°F 193624%
Sep 2970°F45°F83°F 201023°F 193623%
Sep 3069°F44°F83°F 202425°F 198523%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at El Rancho, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:36 AM, sunset 7:32 PM
September 30
sunrise 6:59 AM, sunset 6:49 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00295084 (Los Alamos), public domain. Records: NOAA GHCN-Daily, station USC00295084, 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.