Weather on September 6 at Great Sand Dunes
Great Sand Dunes National Park and Preserve
Based on 55 years of data from Alamosa, CO
Elevation Note: Great Sand Dunes sits at 8,200 ft. Expect temperatures 29°F cooler than the data shown below, which comes from Alamosa, CO at a lower elevation.
Planning Your Visit
September 6th in Great Sand Dunes National Park (via Alamosa, CO) typically brings pleasant fall weather, with average highs around 78°F and lows near 40°F — a 38°F daily swing. Over 55 years of records, the warmest September 6th was in 2019 (67°F average), while the coldest was 2024 (49°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 6th dates historically, with the wettest September 6th recording 1.24" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 6th in Great Sand Dunes? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 71°F | 42°F | 0.94" | 0" |
| 2024 | 65°F | 34°F | 0.86" | 0" |
| 2023 | 81°F | 37°F | 0" | 0" |
| 2022 | 88°F | 43°F | 0" | 0" |
| 2021 | 83°F | 39°F | 0" | 0" |
| 2020 | 89°F | 41°F | 0" | 0" |
| 2019 | 86°F | 48°F | 0" | 0" |
| 2018 | 72°F | 46°F | 0.2" | 0" |
| 2017 | 82°F | 37°F | 0" | 0" |
| 2016 | 80°F | 46°F | 0" | 0" |
| 2015 | 73°F | 41°F | 0" | 0" |
| 2014 | 78°F | 45°F | 0.15" | 0" |
| 2013 | 84°F | 45°F | 0" | 0" |
| 2012 | 84°F | 33°F | 0" | 0" |
| 2011 | 80°F | 40°F | 0" | -- |
| 2010 | 82°F | 47°F | 0" | 0" |
| 2009 | 75°F | 40°F | 0" | 0" |
| 2008 | 78°F | 32°F | 0" | 0" |
| 2007 | 79°F | 43°F | 0" | 0" |
| 2006 | 77°F | 38°F | 0.03" | 0" |
| 2005 | 80°F | 47°F | 0" | 0" |
| 2004 | 76°F | 29°F | 0" | 0" |
| 2003 | 74°F | 47°F | 0" | 0" |
| 2002 | 85°F | 41°F | 0" | 0" |
| 2001 | 78°F | 41°F | 0" | 0" |
| 2000 | 81°F | 43°F | 0" | 0" |
| 1999 | 76°F | 36°F | 0" | 0" |
| 1998 | 80°F | 41°F | 0" | 0" |
| 1997 | 76°F | 44°F | 0.3" | 0" |
| 1996 | 77°F | 43°F | 0" | 0" |
| 1995 | 76°F | 46°F | 0.15" | 0" |
| 1994 | 74°F | 40°F | 0" | 0" |
| 1993 | 69°F | 40°F | 0" | 0" |
| 1992 | 75°F | 33°F | 0" | 0" |
| 1991 | 68°F | 48°F | 0.43" | 0" |
| 1990 | 82°F | 43°F | 0.58" | 0" |
| 1989 | 79°F | 42°F | 0.03" | 0" |
| 1988 | 78°F | 34°F | 0" | 0" |
| 1987 | 70°F | 33°F | 0" | 0" |
| 1986 | 80°F | 36°F | 0" | 0" |
| 1985 | 75°F | 32°F | 0" | 0" |
| 1984 | 82°F | 39°F | 0" | 0" |
| 1983 | 83°F | 37°F | 0" | 0" |
| 1982 | 73°F | 37°F | 0" | 0" |
| 1981 | 71°F | 38°F | 0.15" | 0" |
| 1980 | 75°F | 41°F | 0" | 0" |
| 1979 | 84°F | 36°F | 0" | 0" |
| 1978 | 83°F | 47°F | 0" | 0" |
| 1977 | 81°F | 41°F | 0" | 0" |
| 1976 | 71°F | 48°F | 0" | 0" |
| 1975 | 74°F | 43°F | 0" | 0" |
| 1974 | 81°F | 39°F | 0" | 0" |
| 1973 | 79°F | 38°F | 0" | 0" |
| 1972 | 69°F | 46°F | 1.24" | 0" |
| 1971 | 83°F | 31°F | 0" | 0" |