Weather on September 13 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 13th in Great Sand Dunes National Park (via Alamosa, CO) typically brings pleasant fall weather, with average highs around 73°F and lows near 38°F — a 35°F daily swing. Over 55 years of records, the warmest September 13th was in 1990 (63°F average), while the coldest was 1993 (46°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 13th dates historically, with the wettest September 13th recording 1.88" 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 13th in Great Sand Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 66°F | 43°F | 0.64" | 0" |
| 2024 | 78°F | 35°F | 0" | 0" |
| 2023 | 61°F | 42°F | 0.03" | 0" |
| 2022 | 80°F | 36°F | 0" | 0" |
| 2021 | 85°F | 39°F | 0" | 0" |
| 2020 | 72°F | 31°F | 0" | 0" |
| 2019 | 72°F | 34°F | 0" | 0" |
| 2018 | 81°F | 37°F | 0" | 0" |
| 2017 | 83°F | 43°F | 0" | 0" |
| 2016 | 71°F | 41°F | 0" | 0" |
| 2015 | 83°F | 39°F | 0" | 0" |
| 2014 | 76°F | 37°F | 0" | 0" |
| 2013 | 70°F | 52°F | 1.52" | 0" |
| 2012 | 57°F | 42°F | 1.88" | 0" |
| 2011 | 73°F | 39°F | 0.03" | -- |
| 2010 | 78°F | 35°F | 0" | 0" |
| 2009 | 70°F | 46°F | 0.91" | 0" |
| 2008 | 72°F | 27°F | 0" | 0" |
| 2007 | 75°F | 31°F | 0" | 0" |
| 2006 | 77°F | 38°F | 0" | 0" |
| 2005 | 74°F | 30°F | -- | 0" |
| 2004 | 80°F | 40°F | 0" | 0" |
| 2003 | 73°F | 34°F | 0" | 0" |
| 2002 | 67°F | 42°F | 0" | 0" |
| 2001 | 77°F | 47°F | 0" | 0" |
| 2000 | 83°F | 33°F | 0" | 0" |
| 1999 | 74°F | 35°F | 0.03" | 0" |
| 1998 | 77°F | 41°F | 0.18" | 0" |
| 1997 | 76°F | 38°F | 0.13" | 0" |
| 1996 | 66°F | 43°F | 0.05" | 0" |
| 1995 | 74°F | 36°F | 0" | 0" |
| 1994 | 72°F | 44°F | 0.2" | 0" |
| 1993 | 58°F | 34°F | 0.41" | 0" |
| 1992 | 78°F | 44°F | 0" | 0" |
| 1991 | 70°F | 38°F | 0" | 0" |
| 1990 | 87°F | 39°F | 0" | 0" |
| 1989 | 61°F | 34°F | 0.23" | 0" |
| 1988 | 68°F | 43°F | 0.23" | 0" |
| 1987 | 77°F | 29°F | 0" | 0" |
| 1986 | 73°F | 38°F | 0" | 0" |
| 1985 | 74°F | 28°F | 0" | 0" |
| 1984 | 79°F | 33°F | 0" | 0" |
| 1983 | 78°F | 46°F | 0" | 0" |
| 1982 | 58°F | 41°F | 0.03" | 0" |
| 1981 | 70°F | 38°F | 0" | 0" |
| 1980 | 77°F | 36°F | 0" | 0" |
| 1979 | 76°F | 33°F | 0" | 0" |
| 1978 | 72°F | 31°F | 0" | 0" |
| 1977 | 64°F | 37°F | 0" | 0" |
| 1976 | 77°F | 35°F | 0.03" | 0" |
| 1975 | 60°F | 41°F | 0.41" | 0" |
| 1974 | 71°F | 36°F | 0" | 0" |
| 1973 | 75°F | 36°F | 0" | 0" |
| 1972 | 77°F | 39°F | 0" | 0" |
| 1971 | 82°F | 40°F | 0" | 0" |