Colorado weather in September: Statewide normals and every place, NOAA 1991-2020
In September, Colorado's statewide normal high is 74°F and normal low 44°F; normal highs run from 62°F in Leadville to 86°F in Lamar (NOAA 1991-2020 normals).
- Statewide normal high
- 74°FSeptember, 1991-2020
- Statewide normal low
- 44°FSeptember, 1991-2020
- Statewide normal precipitation
- 1.49 inSeptember
- Warmest place
- 86°Fnormal high, Lamar
- Coolest place
- 62°Fnormal high, Leadville
Where is Colorado warmest and wettest in September?
Lamar has the warmest September afternoons (86°F) and Leadville the coolest (62°F). Silverton gets the most precipitation (2.75 in) and Pueblo the least (0.65 in). The most snow falls in Coal Creek (2.7 inches).
Statewide, September averaged 62.4°F in 2021, 62.5°F in 2022, 60.5°F in 2023, 61.7°F in 2024, 59.3°F in 2025, against a 1991-2020 normal of 58.9°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Denver | 80°F | 50°F | 1.35 | – |
| Colorado Springs | 77°F | 49°F | 1.35 | 0.2 |
| Fort Collins | 77°F | 48°F | 1.43 | 0.7 |
| Lakewood | 76°F | 49°F | 1.38 | 0.3 |
| Greeley | 82°F | 49°F | 1.13 | 0.5 |
| Pueblo | 83°F | 50°F | 0.65 | 0.2 |
| Centennial | 77°F | 49°F | 1.29 | – |
| Boulder | 79°F | 48°F | 2.09 | 1.0 |
| Longmont | 80°F | 46°F | 1.26 | – |
| Castle Rock | 77°F | 47°F | 1.39 | 0.4 |
| Loveland | 79°F | 44°F | 1.36 | 0.0 |
| Grand Junction | 82°F | 53°F | 1.19 | 0.0 |
| Parker | 79°F | 45°F | – | – |
| Brighton | 80°F | 47°F | 1.18 | 0.2 |
| Northglenn | 82°F | 49°F | 1.19 | 0.1 |
| Wheat Ridge | 79°F | 45°F | 1.34 | 1.0 |
| Montrose | 79°F | 48°F | 1.17 | – |
| Durango | 77°F | 43°F | 1.99 | – |
| Cañon City | 80°F | 48°F | 1.20 | 0.2 |
| Black Forest | 76°F | 47°F | 1.67 | – |
| Fruita | 83°F | 48°F | 1.12 | – |
| Steamboat Springs | 74°F | 36°F | 2.32 | 0.4 |
| Monument | 75°F | 44°F | 1.70 | – |
| Sterling | 81°F | 49°F | 1.63 | – |
| Fort Morgan | 81°F | 47°F | 1.14 | 0.0 |
| Cherry Creek | 80°F | 47°F | – | – |
| Rifle | 80°F | 45°F | 1.34 | – |
| Glenwood Springs | 78°F | 44°F | 1.63 | 0.0 |
| Alamosa | 74°F | 37°F | 0.98 | 0.5 |
| Delta | 82°F | 47°F | – | – |
| Cortez | 80°F | 43°F | 1.58 | – |
| Craig | 77°F | 37°F | 1.75 | – |
| Evergreen | 73°F | 40°F | 1.55 | 1.1 |
| Trinidad | 81°F | 51°F | 1.10 | – |
| Lamar | 86°F | 51°F | 1.03 | – |
| La Junta | 84°F | 53°F | 0.84 | – |
| Gunnison | 70°F | 34°F | 1.22 | 0.2 |
| Aspen | 72°F | 40°F | 1.43 | – |
| Salida | 77°F | 39°F | 0.67 | 0.0 |
| Estes Park | 70°F | 39°F | 1.65 | 0.5 |
| Vail | 67°F | 34°F | 1.96 | 0.9 |
| Monte Vista | 73°F | 35°F | 1.11 | 0.0 |
| Rocky Ford | 85°F | 50°F | 0.82 | 0.1 |
| Yuma | 81°F | 50°F | 1.44 | 0.2 |
| Burlington | 80°F | 50°F | 1.21 | – |
| Buena Vista | 74°F | 40°F | 0.90 | 0.4 |
| Walsenburg | 79°F | 48°F | 0.85 | 0.5 |
| Elizabeth | 76°F | 47°F | 1.48 | 0.3 |
| Leadville | 62°F | 32°F | 1.13 | 1.0 |
| Palisade | 81°F | 55°F | 1.36 | 0.0 |
| Telluride | 68°F | 34°F | 2.34 | 0.7 |
| Cedaredge | 74°F | 49°F | 1.83 | 0.0 |
| Meeker | 76°F | 41°F | 1.68 | – |
| Wray | 81°F | 49°F | 1.22 | 0.2 |
| Las Animas | 85°F | 52°F | 0.93 | 0.0 |
| Coal Creek | 64°F | 39°F | 1.86 | 2.7 |
| Holyoke | 79°F | 47°F | 1.40 | 0.2 |
| Rangely | 80°F | 44°F | 1.29 | 0.0 |
| Limon | 77°F | 43°F | 0.96 | – |
| Hayden | 75°F | 40°F | 1.67 | 0.2 |
| Center | 73°F | 40°F | 0.70 | 0.0 |
| Byers | 79°F | 47°F | 1.20 | 0.9 |
| Akron | 78°F | 50°F | 1.24 | – |
| Crested Butte | 66°F | 31°F | 1.95 | 1.2 |
| Fraser | 68°F | 29°F | 1.63 | 1.2 |
| Paonia | 80°F | 48°F | 1.53 | 0.1 |
| Kremmling | 72°F | 34°F | 1.28 | 0.1 |
| Del Norte | 73°F | 40°F | 1.06 | 0.0 |
| Ellicott | 79°F | 46°F | 1.32 | – |
| Springfield | 81°F | 51°F | 1.38 | – |
| Ridgway | 76°F | 36°F | 1.59 | 0.3 |
| Mancos | 75°F | 42°F | 1.90 | 0.0 |
| Georgetown | 68°F | 39°F | 1.52 | 1.6 |
| Julesburg | 78°F | 49°F | 1.52 | 0.0 |
| Cripple Creek | 67°F | 41°F | 1.71 | – |
| Ordway | 83°F | 49°F | 0.70 | 0.1 |
| Dillon | 66°F | 30°F | 1.40 | 1.1 |
| Manassa | 73°F | 40°F | 1.12 | 0.0 |
| Ouray | 71°F | 45°F | 2.04 | 0.6 |
| Ignacio | 76°F | 43°F | 1.97 | 0.0 |
| Holly | 83°F | 51°F | 1.18 | 0.0 |
| Allenspark | 66°F | 37°F | – | – |
| Hugo | 80°F | 45°F | 1.08 | 0.0 |
| Fairplay | 62°F | 35°F | 1.44 | – |
| Silverton | 66°F | 30°F | 2.75 | 0.5 |
| Cheyenne Wells | 82°F | 52°F | 1.15 | 0.2 |
| Dove Creek | 75°F | 49°F | – | – |
| Stratton | 80°F | 50°F | 0.93 | 0.4 |
| Eads | 82°F | 51°F | 0.86 | 0.0 |
| San Luis | 74°F | 39°F | 1.04 | – |
| Flagler | 79°F | 49°F | 1.24 | 0.4 |
| Walden | 66°F | 29°F | 1.34 | 1.0 |
| Nunn | 76°F | 44°F | 1.11 | – |
| Saguache | 73°F | 40°F | 0.99 | – |
| Norwood | 75°F | 44°F | 2.04 | 0.2 |
| Walsh | 83°F | 53°F | 1.43 | 0.0 |
| Twin Lakes | 65°F | 35°F | 1.13 | – |
| Westcliffe | 72°F | 37°F | 0.90 | 0.9 |
| Fleming | 80°F | 50°F | 1.28 | 0.2 |
| Lake City | 69°F | 38°F | 1.56 | – |
| Grand Lake | 68°F | 32°F | 1.59 | 0.4 |
| Yampa | 70°F | 37°F | 1.48 | 0.6 |
| Collbran | 78°F | 45°F | 1.61 | 0.0 |
| Blanca | 75°F | 39°F | 1.14 | – |
| Placerville | 74°F | 42°F | 2.52 | – |
| Dinosaur | 77°F | 50°F | 1.31 | – |
| Kit Carson | 82°F | 47°F | 0.90 | 0.0 |
| Cheraw | 83°F | 50°F | 0.88 | 0.0 |
| Rye | 73°F | 51°F | 1.73 | 0.6 |
| Seibert | 78°F | 49°F | 1.10 | 0.0 |
| Sedgwick | 79°F | 49°F | 1.35 | 0.2 |
| Florissant | 71°F | 33°F | 1.31 | 0.7 |
| Genoa | 76°F | 50°F | 1.00 | 0.4 |
| Crestone | 72°F | 42°F | 1.24 | 0.0 |
| Crook | 82°F | 47°F | 1.38 | 0.1 |
| New Raymer | 78°F | 46°F | 1.56 | 0.9 |
| Joes | 81°F | 49°F | 1.23 | 0.4 |
| Campo | 83°F | 51°F | 1.41 | 0.0 |
| Idalia | 79°F | 49°F | 1.20 | 0.5 |
| Divide | 65°F | 39°F | 1.90 | – |
| Briggsdale | 79°F | 44°F | 1.26 | 0.1 |
| Sheridan Lake | 82°F | 52°F | 1.02 | – |
| Maybell | 75°F | 36°F | 1.10 | 0.0 |
| Guffey | 67°F | 44°F | 1.55 | 1.2 |
| Matheson | 77°F | 45°F | – | – |
| Altenbern | 78°F | 42°F | 1.86 | 0.0 |
| Antero Reservoir | 67°F | 30°F | 1.03 | 0.4 |
| Arapahoe (12 mi S) | 81°F | 50°F | 1.11 | 0.0 |
| Arapahoe (14 mi N) | 80°F | 49°F | – | – |
| Bailey | 71°F | 35°F | 1.43 | 1.2 |
| Black Canyon Of The Gunnison | 72°F | 44°F | 2.08 | – |
| Blue Mesa Lake | 73°F | 37°F | 1.01 | 0.0 |
| Bonham Reservoir | 57°F | 34°F | 2.45 | – |
| Bonny Dam (2 mi NE) | 80°F | 50°F | 1.78 | 0.3 |
| Buckhorn Mountain (1 mi E) | 70°F | 47°F | 1.88 | 3.3 |
| Cabin Creek | 61°F | 38°F | 1.63 | 2.1 |
| Cheesman | 76°F | 43°F | 1.24 | 0.5 |
| Cimarron | 76°F | 37°F | 1.82 | 0.0 |
| Climax | 58°F | 32°F | 1.80 | 4.2 |
| Cochetopa Creek | 72°F | 33°F | 1.13 | 0.3 |
| Colorado National Monument | 80°F | 54°F | 1.29 | 0.0 |
| Creede | 70°F | 34°F | 1.94 | – |
| Creede Water Treatment Plant | 70°F | 32°F | 1.74 | – |
| Cumbre Vista - Colorado Springs 1 | 72°F | 47°F | – | – |
| Denver Water Dept | 82°F | 51°F | 1.20 | 0.0 |
| Eastonville (2 mi NNW) | 72°F | 39°F | 1.43 | 1.4 |
| Fort Collins (4 mi E) | 77°F | 47°F | 1.36 | 0.6 |
| Fort Lewis | 71°F | 43°F | – | – |
| Gateway (1 mi ENE) | 85°F | 53°F | 1.45 | 0.0 |
| Glade Park (17 mi W) | 77°F | 43°F | 1.57 | 0.0 |
| Gould 4 mi SE State Forest State Park | 64°F | 31°F | 1.89 | – |
| Grant | 66°F | 35°F | 1.44 | 0.8 |
| Great Sand Dunes National Park & Preserve | 72°F | 44°F | 1.31 | 0.0 |
| Green Mount Dam | 69°F | 36°F | 1.46 | – |
| Gross Reservoir | 70°F | 41°F | 1.99 | 0.9 |
| Hermit (8 mi SE) | 70°F | 33°F | 1.68 | 0.2 |
| Hohnholz Ranch | 71°F | 31°F | 1.36 | 1.7 |
| Hourglass Reservoir | 65°F | 34°F | 1.57 | 2.5 |
| John Martin Dam | 85°F | 53°F | 1.02 | 0.0 |
| Karval | 80°F | 47°F | 1.09 | 0.0 |
| Kassler | 78°F | 48°F | 1.69 | 0.6 |
| Kim (10 mi SSE) | 80°F | 51°F | 1.52 | 0.0 |
| Kim (15 mi NNE) | 82°F | 50°F | 1.31 | 0.2 |
| Lake George (8 mi SW) | 69°F | 37°F | 1.09 | 0.8 |
| Lemon Dam | 70°F | 41°F | 3.43 | 0.0 |
| Leroy (5 mi WSW) | 78°F | 47°F | 1.25 | 0.4 |
| Lindon (5 mi WNW) | 82°F | 46°F | 1.17 | 0.5 |
| Marston Filter Plant | 77°F | 49°F | 1.26 | 0.0 |
| Massadona (3 mi E) | 77°F | 46°F | 1.56 | 0.0 |
| Meredith | 71°F | 32°F | – | – |
| Mesa Verde National Park | 76°F | 50°F | 1.77 | 0.0 |
| Northdale | 76°F | 41°F | 1.07 | – |
| Paradox (2 mi N) | 83°F | 46°F | 1.43 | 0.0 |
| Ralston Reservoir | 76°F | 51°F | 1.79 | 0.4 |
| Rio Grande Reservoir | 68°F | 35°F | 2.49 | 0.5 |
| Roxborough State Park | 77°F | 48°F | 1.62 | – |
| Rush (1 mi N) | 77°F | 46°F | 1.00 | 0.3 |
| Rustic (9 mi WSW) | 69°F | 38°F | 1.36 | 1.7 |
| Ruxton Park | 66°F | 39°F | 1.93 | 1.8 |
| Santa Maria Reservoir | 64°F | 33°F | 2.13 | – |
| Sargents | 73°F | 28°F | 1.30 | 0.2 |
| Shaw (4 mi ENE) | 79°F | 46°F | 1.23 | 0.6 |
| Sheep Mountain | 73°F | 43°F | 1.00 | 0.1 |
| Shoshone | 79°F | 50°F | 2.17 | – |
| Spicer | 68°F | 34°F | 1.71 | – |
| Strontia Springs Dam | 76°F | 43°F | 1.57 | 0.5 |
| Sugarloaf Reservoir | 62°F | 31°F | 1.42 | – |
| Tacony (13 mi SE) | 83°F | 48°F | 0.94 | 0.1 |
| Taylor Park | 64°F | 34°F | 1.63 | – |
| Uravan | 85°F | 50°F | 1.51 | 0.0 |
| Vallecito Reservoir | 72°F | 45°F | – | – |
| Virginia Dale (7 mi ENE) | 72°F | 40°F | 1.86 | 1.5 |
| Waterdale | 76°F | 45°F | 1.67 | 0.8 |
| Waverly (1 mi W) | 72°F | 36°F | 1.04 | 0.0 |
| Weather Office Pueblo | 83°F | 50°F | 0.95 | – |
| Wild Horse (6 mi N) | 81°F | 48°F | 1.15 | – |
| Williams Fork Dam | 70°F | 35°F | 1.40 | 0.3 |
| Woodrow (6 mi NNE) | 81°F | 45°F | 1.36 | 0.5 |
| Yellow Jacket (2 mi W) | 79°F | 47°F | 1.40 | – |
| Yellow Jacket (4 mi NE) | 75°F | 47°F | – | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.