Weather on September 7 at Great Sand Dunes

Great Sand Dunes National Park and Preserve

CORocky Mountain8,200 ft elevation
Avg High77°F
Avg Low41°F
Warmest201666°F
Coldest199351°F

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 7th in Great Sand Dunes National Park (via Alamosa, CO) typically brings pleasant fall weather, with average highs around 77°F and lows near 41°F — a 36°F daily swing. Over 55 years of records, the warmest September 7th was in 2016 (66°F average), while the coldest was 1993 (51°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 7th dates historically, with the wettest September 7th recording 1.78" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.

Planning for September 7th in Great Sand Dunes? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202574°F42°F0"0"
202473°F34°F0.03"0"
202385°F36°F0"0"
202288°F42°F0"0"
202187°F39°F0"0"
202091°F41°F0"0"
201983°F50°F0.05"0"
201873°F39°F0"0"
201781°F46°F0"0"
201681°F51°F0"0"
201578°F41°F0"0"
201475°F45°F0.03"0"
201384°F44°F0"0"
201283°F42°F0"0"
201172°F45°F0.23"--
201083°F32°F0"0"
200976°F37°F0"0"
200880°F31°F0"0"
200781°F44°F0"0"
200670°F35°F0.33"0"
200580°F49°F1.78"0"
200477°F37°F0"0"
200369°F43°F0.08"0"
200282°F43°F0"0"
200165°F38°F0"0"
200081°F39°F0"0"
199979°F37°F0"0"
199880°F43°F0"0"
199779°F43°F0"0"
199672°F35°F0"0"
199566°F52°F1.6"0"
199475°F39°F0"0"
199365°F38°F0.79"0"
199279°F35°F0"0"
199166°F41°F0"0"
199074°F49°F0"0"
198978°F46°F0"0"
198881°F38°F0"0"
198770°F38°F0"0"
198673°F42°F0.2"0"
198573°F36°F0"0"
198479°F46°F0"0"
198385°F43°F0"0"
198272°F39°F0.08"0"
198168°F50°F0.58"0"
198078°F47°F0"0"
197983°F39°F0"0"
197878°F47°F0"0"
197783°F41°F0"0"
197673°F38°F0"0"
197571°F44°F0"0"
197480°F36°F0"0"
197377°F35°F0"0"
197274°F39°F0"0"
197183°F41°F0.1"0"

September 7 at Nearby Parks

Holiday Weather at Great Sand Dunes

Official NPS WebsiteVisit nps.gov/grsa for park information, alerts, and reservations

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