Portal climate

Portal Weather in September

NOAA 1991-2020 normals for Rocky Ford 4SE, 18.3 km from Portal

Average highs run from 88°F on September 1 to 82°F on September 30, and lows from 69°F to 60°F. Normal precipitation for the month is 3.50 in over about 6 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 Portal, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
85°F
Average low
65°F
Precipitation
3.50 in
Record high
107°FSep 4, 1925
Record low
35°FSep 30, 1967
Chance of a freeze
0%
Days of 90°F or more
8.9
Daylight
12 h 49 min to 11 h 53 min
Cloud cover
51%
Humidity
74%
Dew point
66°F
Wind
7.4 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 188°F69°F100°F 192657°F 193423%0%
Sep 288°F68°F100°F 192659°F 199923%0%
Sep 388°F68°F101°F 192557°F 196723%0%
Sep 488°F68°F107°F 192556°F 202122%0%
Sep 588°F68°F105°F 192553°F 199722%0%
Sep 687°F67°F104°F 192553°F 199722%0%
Sep 787°F67°F104°F 192556°F 199721%0%
Sep 887°F67°F106°F 192556°F 193221%0%
Sep 987°F67°F104°F 192555°F 195621%0%
Sep 1087°F66°F106°F 192553°F 195621%0%
Sep 1186°F66°F102°F 192552°F 195621%0%
Sep 1286°F66°F104°F 192550°F 197620%0%
Sep 1386°F66°F98°F 192552°F 196720%0%
Sep 1486°F65°F102°F 192552°F 196420%0%
Sep 1586°F65°F98°F 192551°F 196720%0%
Sep 1685°F65°F100°F 192550°F 196720%0%
Sep 1785°F65°F100°F 193350°F 197620%0%
Sep 1885°F64°F100°F 192553°F 200120%0%
Sep 1985°F64°F102°F 193146°F 198120%0%
Sep 2084°F64°F101°F 192546°F 198119%0%
Sep 2184°F63°F105°F 192549°F 196219%0%
Sep 2284°F63°F104°F 192550°F 193819%0%
Sep 2384°F63°F101°F 192546°F 198319%0%
Sep 2483°F63°F102°F 192544°F 196719%0%
Sep 2583°F62°F98°F 193146°F 199019%0%
Sep 2683°F62°F98°F 201946°F 194019%0%
Sep 2782°F62°F95°F 201946°F 194019%0%
Sep 2882°F61°F98°F 201948°F 194718%0%
Sep 2982°F61°F96°F 193944°F 196718%0%
Sep 3082°F60°F95°F 193935°F 196718%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Portal, 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 (EDT).

September 1
sunrise 7:03 AM, sunset 7:52 PM
September 30
sunrise 7:21 AM, sunset 7:14 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00097528 (Rocky Ford 4SE), public domain. Records: NOAA GHCN-Daily, station USC00091266, 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.