Buena Vista weather in September: Buena Vista, Colorado: normal highs, lows, rain and records for September

Buena Vista in September has a normal high of 74°F and a normal low of 40°F, a daily mean of 57°F, falling from 78°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 0.90 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 23°C and low of 4°C, 23 mm of precipitation and 1 cm of snow in September.

  • NOAA stationBuena Vista (2 mi S)
  • Station IDUSC00051071
  • Location38.82°N 106.13°W
  • Elevation7,954 ft (2,424 m)
  • Population3,127
  1. Jan 41° 11°
  2. Feb 43° 14°
  3. Mar 50° 21°
  4. Apr 57° 27°
  5. May 67° 36°
  6. Jun 78° 43°
  7. Jul 83° 49°
  8. Aug 80° 47°
  9. Sep 74° 40°
  10. Oct 62° 29°
  11. Nov 50° 20°
  12. Dec 40° 11°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Buena Vista in September?

The normal high is 74°F and the normal low 40°F, for a daily mean of 56.8°F. September is 6.9°F cooler than August and 11.2°F warmer than October. September is the 4th warmest month of the year in Buena Vista and the 5th wettest. Across the month the normal high falls 9°F, from 78°F on September 1 to 69°F on September 30. From one year to the next September's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 55°F and 59°F.

Buena Vista in September, day by day: normal high and low

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 33%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 178°F44°F33%12%
September 876°F42°F31%11%
September 1575°F40°F28%10%
September 2272°F38°F25%8%
September 3069°F34°F22%7%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Buena Vista: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 178°F44°F33%12%13 h
September 278°F44°F33%12%13 h
September 377°F44°F33%12%13 h
September 477°F43°F32%12%13 h
September 577°F43°F32%12%12 h 50 min
September 677°F43°F31%11%12 h 50 min
September 777°F43°F31%11%12 h 50 min
September 876°F42°F31%11%12 h 50 min
September 976°F42°F30%11%12 h 40 min
September 1076°F42°F30%11%12 h 40 min
September 1176°F41°F30%11%12 h 40 min
September 1275°F41°F29%10%12 h 40 min
September 1375°F41°F29%10%12 h 40 min
September 1475°F40°F28%10%12 h 30 min
September 1575°F40°F28%10%12 h 30 min
September 1674°F40°F27%10%12 h 30 min
September 1774°F39°F27%9%12 h 30 min
September 1874°F39°F26%9%12 h 20 min
September 1973°F39°F26%9%12 h 20 min
September 2073°F38°F25%9%12 h 20 min
September 2173°F38°F25%9%12 h 20 min
September 2272°F38°F25%8%12 h 10 min
September 2372°F37°F24%8%12 h 10 min
September 2471°F37°F24%8%12 h 10 min
September 2571°F36°F23%8%12 h 10 min
September 2671°F36°F23%8%12 h
September 2770°F36°F22%8%12 h
September 2870°F35°F22%7%12 h
September 2969°F35°F22%7%12 h
September 3069°F34°F22%7%11 h 50 min
Normal high
74°FSeptember average
Normal low
40°FSeptember average
Precipitation
0.90 inmonth total
Days with precipitation
80.01 inch or more
Snowfall
0.4 inmonth total
Nights at 32°F or colder
4
Daylight
13 h to 11 h 50 minSeptember 1 to September 30
Days at 70°F or more
23
Days at 80°F or more
7
Sunshine
81%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00051071; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Buena Vista in September?

On a given September day the chance of 0.01 inch or more is 27% on average, highest around September 1 (33%). In all, 0.90 in falls on 8 days of a normal September.

In a normal September in Buena Vista, 4 nights fall to freezing and snowfall averages 0.4 inches.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00051071.

What are the records for September in Buena Vista?

The warmest September temperature on this station's record (since 1905) is 96°F, on September 8, 1908; the coldest is 15°F, on September 29, 1936. The wettest September brought 3.01 in (1906); the snowiest, 21.0 inches (1959).

The September mean against the 1991-2020 normal of 56.8°F: 2021 60.4°F (+3.6), 2022 60.5°F (+3.7), 2023 58.4°F (+1.6), 2024 58.4°F (+1.6), 2025 56.2°F (−0.6), 2026 60.1°F (+3.3). 5 of 6 ran warmer than normal.

Buena Vista: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202160.4°F+3.6°F0.66 in
202260.5°F+3.7°F0.73 in
202358.4°F+1.6°F1.50 in
202458.4°F+1.6°F1.16 in
202556.2°F−0.6°F1.29 in
202660.1°F+3.3°F1.88 in

Source: records: ACIS, station USC00051071; recent months: ACIS, station USC00051071. Records and recent months use complete months only.

How does September in Buena Vista 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; Buena Vista's is 74°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places