Trinidad weather in September: Trinidad, Colorado: normal highs, lows, rain and records for September
Trinidad in September has a normal high of 81°F and a normal low of 51°F, a daily mean of 66°F, falling from 85°F on the 1st to 76°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 1.10 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 10°C, 28 mm of precipitation in September.
- NOAA stationTrinidad Perry Stokes Airport
- Station IDUSW00023070
- Location37.26°N 104.34°W
- Elevation5,741 ft (1,750 m)
- Population8,183
- Jan 48° 19°
- Feb 51° 21°
- Mar 60° 28°
- Apr 66° 35°
- May 76° 44°
- Jun 86° 54°
- Jul 90° 60°
- Aug 88° 58°
- Sep 81° 51°
- Oct 69° 37°
- Nov 57° 26°
- Dec 47° 18°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Trinidad in September?
The normal high is 81°F and the normal low 51°F, for a daily mean of 65.8°F. September is 7.0°F cooler than August and 12.7°F warmer than October. September is the 4th warmest month of the year in Trinidad and the 6th wettest. Across the month the normal high falls 9°F, from 85°F on September 1 to 76°F on September 30. From one year to the next September's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 63°F and 69°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 85°F | 56°F | 25% | 12% |
| September 8 | 84°F | 54°F | 24% | 11% |
| September 15 | 82°F | 51°F | 22% | 10% |
| September 22 | 79°F | 48°F | 20% | 9% |
| September 30 | 76°F | 44°F | 17% | 8% |
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 | 85°F | 56°F | 25% | 12% | 13 h |
| September 2 | 85°F | 55°F | 25% | 12% | 13 h |
| September 3 | 85°F | 55°F | 25% | 12% | 13 h |
| September 4 | 85°F | 55°F | 25% | 12% | 12 h 50 min |
| September 5 | 84°F | 55°F | 24% | 12% | 12 h 50 min |
| September 6 | 84°F | 54°F | 24% | 12% | 12 h 50 min |
| September 7 | 84°F | 54°F | 24% | 12% | 12 h 50 min |
| September 8 | 84°F | 54°F | 24% | 11% | 12 h 50 min |
| September 9 | 83°F | 53°F | 23% | 11% | 12 h 40 min |
| September 10 | 83°F | 53°F | 23% | 11% | 12 h 40 min |
| September 11 | 83°F | 53°F | 23% | 11% | 12 h 40 min |
| September 12 | 83°F | 52°F | 23% | 11% | 12 h 40 min |
| September 13 | 82°F | 52°F | 22% | 11% | 12 h 30 min |
| September 14 | 82°F | 52°F | 22% | 10% | 12 h 30 min |
| September 15 | 82°F | 51°F | 22% | 10% | 12 h 30 min |
| September 16 | 81°F | 51°F | 21% | 10% | 12 h 30 min |
| September 17 | 81°F | 50°F | 21% | 10% | 12 h 20 min |
| September 18 | 81°F | 50°F | 21% | 10% | 12 h 20 min |
| September 19 | 80°F | 49°F | 21% | 9% | 12 h 20 min |
| September 20 | 80°F | 49°F | 20% | 9% | 12 h 20 min |
| September 21 | 79°F | 49°F | 20% | 9% | 12 h 10 min |
| September 22 | 79°F | 48°F | 20% | 9% | 12 h 10 min |
| September 23 | 79°F | 48°F | 19% | 9% | 12 h 10 min |
| September 24 | 78°F | 47°F | 19% | 9% | 12 h 10 min |
| September 25 | 78°F | 47°F | 19% | 8% | 12 h 10 min |
| September 26 | 77°F | 46°F | 18% | 8% | 12 h |
| September 27 | 77°F | 46°F | 18% | 8% | 12 h |
| September 28 | 77°F | 45°F | 18% | 8% | 12 h |
| September 29 | 76°F | 45°F | 18% | 8% | 12 h |
| September 30 | 76°F | 44°F | 17% | 8% | 11 h 50 min |
- Normal high
- 81°FSeptember average
- Normal low
- 51°FSeptember average
- Precipitation
- 1.10 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 4
- Nights at 32°F or colder
- 1
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 27
- Days at 80°F or more
- 19
- Sunshine
- 87%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023070; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Trinidad in September?
On a given September day the chance of 0.01 inch or more is 21% on average, highest around September 1 (25%). In all, 1.10 in falls on 7 days of a normal September.
In a normal September in Trinidad, 4 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023070.
How humid and windy is Trinidad in September?
At 3 p.m. the normal temperature is 74°F with 22% relative humidity and a dew point of 32°F; at 6 a.m. it is 48°F with 61% humidity. The wind averages 9.7 mph, most often from the south-southeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 48°F | 35°F | 61% | 9.6 mph | – |
| 9 a.m. | 63°F | 36°F | 38% | 7.9 mph | – |
| noon | 72°F | 33°F | 24% | 9.5 mph | – |
| 3 p.m. | 74°F | 32°F | 22% | 10.7 mph | – |
| 6 p.m. | 64°F | 35°F | 33% | 9.9 mph | – |
| 9 p.m. | 56°F | 36°F | 46% | 9.6 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023070. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for September in Trinidad?
The warmest September temperature on this station's record (since 1948) is 100°F, on September 5, 1995; the coldest is 23°F, on September 29, 1984. The wettest September brought 3.66 in (2017); the snowiest, 6.6 inches (1985).
The September mean against the 1991-2020 normal of 65.8°F: 2021 68.9°F (+3.1), 2022 68.7°F (+2.9), 2023 67.4°F (+1.6), 2024 67.5°F (+1.7), 2025 65.8°F (at normal), 2026 70.2°F (+4.4). 5 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 68.9°F | +3.1°F | 0.79 in |
| 2022 | 68.7°F | +2.9°F | 0.36 in |
| 2023 | 67.4°F | +1.6°F | 1.87 in |
| 2024 | 67.5°F | +1.7°F | 0.18 in |
| 2025 | 65.8°F | at normal | 0.33 in |
| 2026 | 70.2°F | +4.4°F | 2.31 in |
Source: records: ACIS, station USW00023070; recent months: ACIS, station USW00023070. Records and recent months use complete months only.
How does September in Trinidad 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; Trinidad's is 81°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.