Climateby Month

Moab, UT weather in September

NOAA 1991-2020 normals and daily records · Moab all year

Moab is hot and mostly dry in September: highs average 88°F and nights drop to about 55°F. There are about 5 days with rain.

Normal high
88°F
Normal low
55°F
Wet days
5
0.9 in total
Daylight
12.4 h

How September changes from start to finish

Normal values at the start and end of September
September 1September 30
Normal high93°F82°F
Normal low60°F49°F
Chance of a wet day19%18%
Sunrise / sunset6:47 am / 7:48 pm7:13 am / 7:03 pm
Daylight13.0 h11.8 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)4 of 30
  • Hot dayshigh 90°F or more15 of 30
  • Wet daysat least 0.01 in of rain or melted snow5 of 30
  • Notable rainat least 0.10 in2 of 30
  • Freezing nightslow 32°F or below0 of 30
  • Snow on the groundsnow depth 1 in or more0 of 30

Average days per September, counted from daily records for each year 1991-2020.

Rain in September

Normal precipitation is 0.9 in; a dry September brings about 0.2 in and a wet one about 1.1 in (25th and 75th percentiles). About 1 day brings half an inch or more.

How September varies from year to year

  • Warmest September, 1991-20201992: average high 94°F
  • Coolest September2006: average high 82°F
  • Wettest September1997: 3.4 in
  • Driest September1993: 0.05 in
  • Highest reading105°F (September 1, 1995)
  • Lowest reading32°F (September 29, 1999)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

September compared with August and October

AugustSeptemberOctober
Normal high96°F88°F74°F
Normal low64°F55°F42°F
Wet days655
Comfortable days0418
Daylight13.6 h12.4 h11.2 h

Highs change by -8°F from August and -14°F into October.

Nearby alternatives in September

How Moab ranks in September

  • Normal high105th warmest of 378 cities; 3rd of 7 in Utah
  • Wet days91st driest of 378

What to pack for Moab in September

  • Light, breathable clothing – highs near 88°F
  • Layers – afternoons near 88°F but nights near 55°F

Heating and cooling

September has 24 heating degree days and 210 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How hot is Moab in September?

The normal high is 88°F and the normal low is 55°F. From 1991 to 2020 the hottest September reading was 105°F (September 1, 1995).

Does it rain a lot in Moab in September?

About 5 days in September have at least 0.01 in of precipitation, and the normal total is 0.9 in. The wettest September in 1991-2020 was in 1997 (3.4 in); the driest was in 1993 (0.05 in).

Is September a good time to visit Moab?

September ranks 7th of 12 months on our comfort score for Moab (47 out of 100). It has about 4 comfortable days (judged by temperature only) and about 15 days at 90°F or hotter. The best month is April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Moab (USC00425733), 0.2 mi ENE of the city center, 4,053 ft . NOAA normals and daily records, 1991-2020.
  • Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).