Climateby Month

Colorado Springs, CO weather in September

NOAA 1991-2020 normals and daily records · Colorado Springs all year

September in Colorado Springs: mild, with some rain. Highs 77°F, lows 49°F, about 7 wet days. A great month for outdoor plans.

Normal high
77°F
Normal low
49°F
Wet days
7
1.4 in total
Muggy days
0
dew point 65°F+

How September changes from start to finish

Normal values at the start and end of September
September 1September 30
Normal high81°F72°F
Normal low54°F43°F
Chance of a wet day28%19%
Sunrise / sunset6:28 am / 7:30 pm6:54 am / 6:44 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).

A typical September day

  1. 6 am52°Fdew point 39°F
  2. 9 am65°Fdew point 40°F
  3. Noon72°Fdew point 38°F
  4. 3 pm73°Fdew point 38°F
  5. 6 pm66°Fdew point 39°F
  6. 9 pm59°Fdew point 41°F

NOAA hourly normals (local standard time) from Colorado Springs Muni Airport (7 mi away); average wind 9 mph; clear or few clouds in 85% of daytime hours, mostly cloudy or overcast in 12%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F15 of 30
  • Hot dayshigh 90°F or more1 of 30
  • Muggy daysdaily mean dew point 65°F or more0 of 30
  • Wet daysat least 0.01 in of rain or melted snow7 of 30
  • Notable rainat least 0.10 in3 of 30
  • Freezing nightslow 32°F or below1 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 and snow in September

Normal precipitation is 1.4 in; a dry September brings about 0.5 in and a wet one about 1.5 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 0.2 in.

How September varies from year to year

  • Warmest September, 1991-20202019: average high 84°F
  • Coolest September2006: average high 69°F
  • Wettest September2011: 5.9 in
  • Driest September2010: 0.09 in
  • Highest reading97°F (September 6, 2020)
  • Lowest reading26°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 high84°F77°F65°F
Normal low57°F49°F37°F
Wet days1275
Comfortable days101515
Daylight13.6 h12.4 h11.2 h

Highs change by -7°F from August and -12°F into October.

Nearby alternatives in September

How Colorado Springs ranks in September

  • Normal high241st warmest of 378 cities; 9th of 17 in Colorado
  • Wet days130th driest of 378
  • Comfortable days90th most of 342

What to pack for Colorado Springs in September

  • Layers – afternoons near 77°F but nights near 49°F

Heating and cooling

September has 122 heating degree days and 62 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.

Questions

How hot is Colorado Springs in September?

The normal high is 77°F and the normal low is 49°F. From 1991 to 2020 the hottest September reading was 97°F (September 6, 2020).

Does it rain a lot in Colorado Springs in September?

About 7 days in September have at least 0.01 in of precipitation, and the normal total is 1.4 in. The wettest September in 1991-2020 was in 2011 (5.9 in); the driest was in 2010 (0.09 in).

Does it snow in Colorado Springs in September?

Yes. Normal snowfall in September is 0.2 in.

Is September a good time to visit Colorado Springs?

September ranks 2nd of 12 months on our comfort score for Colorado Springs (70 out of 100). It has about 15 comfortable days and about 1 day at 90°F or hotter. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Colorado Springs Muni Airport (USW00093037), 7.3 mi ESE of the city center, 6,181 ft (172 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Cloud cover: Pueblo Mem Airport (USW00093058), 41 mi SSE of the city center, 4,720 ft (1,289 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: City Of Colorado Springs Municipal Airport (724660-93037), 7.3 mi ESE of the city center, 6,182 ft (173 ft higher than the city). Hourly observations, 1991-2020.