Glenwood Springs weather in September: Glenwood Springs, Colorado: normal highs, lows, rain and records for September
Glenwood Springs in September has a normal high of 78°F and a normal low of 44°F, a daily mean of 61°F, falling from 83°F on the 1st to 72°F by the 30th. Measurable precipitation falls on 6 days in a normal September, 1.63 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 7°C, 41 mm of precipitation in September.
- NOAA stationGlenwood Springs #2
- Station IDUSC00053359
- Location39.52°N 107.32°W
- Elevation5,895 ft (1,797 m)
- Population10,311
- Jan 36° 12°
- Feb 42° 19°
- Mar 53° 26°
- Apr 60° 32°
- May 71° 40°
- Jun 82° 46°
- Jul 89° 53°
- Aug 86° 52°
- Sep 78° 44°
- Oct 65° 33°
- Nov 49° 24°
- Dec 36° 15°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Glenwood Springs in September?
The normal high is 78°F and the normal low 44°F, for a daily mean of 61.0°F. September is 8.0°F cooler than August and 12.0°F warmer than October. September is the 4th warmest month of the year in Glenwood Springs and the 2nd wettest. Across the month the normal high falls 11°F, from 83°F on September 1 to 72°F on September 30. From one year to the next September's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 59°F and 63°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 83°F | 48°F | 22% | 14% |
| September 8 | 81°F | 46°F | 22% | 14% |
| September 15 | 79°F | 44°F | 21% | 14% |
| September 22 | 76°F | 42°F | 20% | 14% |
| September 30 | 72°F | 39°F | 19% | 13% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 83°F | 48°F | 22% | 14% | 13 h 10 min |
| September 2 | 83°F | 48°F | 22% | 14% | 13 h |
| September 3 | 82°F | 48°F | 22% | 14% | 13 h |
| September 4 | 82°F | 47°F | 22% | 14% | 13 h |
| September 5 | 82°F | 47°F | 22% | 14% | 13 h |
| September 6 | 82°F | 47°F | 22% | 14% | 12 h 50 min |
| September 7 | 81°F | 47°F | 22% | 14% | 12 h 50 min |
| September 8 | 81°F | 46°F | 22% | 14% | 12 h 50 min |
| September 9 | 81°F | 46°F | 22% | 14% | 12 h 50 min |
| September 10 | 80°F | 46°F | 22% | 14% | 12 h 40 min |
| September 11 | 80°F | 45°F | 22% | 14% | 12 h 40 min |
| September 12 | 80°F | 45°F | 22% | 14% | 12 h 40 min |
| September 13 | 79°F | 45°F | 22% | 14% | 12 h 40 min |
| September 14 | 79°F | 44°F | 21% | 14% | 12 h 30 min |
| September 15 | 79°F | 44°F | 21% | 14% | 12 h 30 min |
| September 16 | 78°F | 44°F | 21% | 14% | 12 h 30 min |
| September 17 | 78°F | 43°F | 21% | 14% | 12 h 30 min |
| September 18 | 78°F | 43°F | 21% | 14% | 12 h 20 min |
| September 19 | 77°F | 43°F | 21% | 14% | 12 h 20 min |
| September 20 | 77°F | 42°F | 20% | 14% | 12 h 20 min |
| September 21 | 76°F | 42°F | 20% | 14% | 12 h 20 min |
| September 22 | 76°F | 42°F | 20% | 14% | 12 h 10 min |
| September 23 | 76°F | 41°F | 20% | 14% | 12 h 10 min |
| September 24 | 75°F | 41°F | 20% | 14% | 12 h 10 min |
| September 25 | 75°F | 41°F | 19% | 13% | 12 h 10 min |
| September 26 | 74°F | 40°F | 19% | 13% | 12 h |
| September 27 | 74°F | 40°F | 19% | 13% | 12 h |
| September 28 | 73°F | 40°F | 19% | 13% | 12 h |
| September 29 | 73°F | 39°F | 19% | 13% | 11 h 50 min |
| September 30 | 72°F | 39°F | 19% | 13% | 11 h 50 min |
- Normal high
- 78°FSeptember average
- Normal low
- 44°FSeptember average
- Precipitation
- 1.63 inmonth total
- Days with precipitation
- 60.01 inch or more
- Days at 90°F or more
- 2
- Nights at 32°F or colder
- 1
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 26
- Days at 80°F or more
- 17
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00053359; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Glenwood Springs in September?
On a given September day the chance of 0.01 inch or more is 21% on average, highest around September 7 (22%). In all, 1.63 in falls on 6 days of a normal September.
In a normal September in Glenwood Springs, 2 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00053359.
What are the records for September in Glenwood Springs?
The September mean against the 1991-2020 normal of 61.0°F: 2021 65.8°F (+4.8). 1 of 1 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 65.8°F | +4.8°F | 1.71 in |
Source: recent months: ACIS, station USC00053359. Records and recent months use complete months only.
How does September in Glenwood Springs compare across Colorado?
Across the 125 places PlainClimate covers in Colorado, September normal highs run from 62°F in Leadville to 86°F in Lamar; Glenwood Springs's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Glenwood Springs in August86°F by day, 52°F at night
- Glenwood Springs in October65°F by day, 33°F at night
- Glenwood Springs through the yearEvery month, frost dates, records and recent years
- Colorado in SeptemberThe statewide normal and the warmest and coolest places
- Lamar: Colorado's warmest Septembernormal high 86°F