Weather on September 2 at Great Sand Dunes

Great Sand Dunes National Park and Preserve

CORocky Mountain8,200 ft elevation
Avg High78°F
Avg Low42°F
Warmest199068°F
Coldest199254°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 2nd in Great Sand Dunes National Park (via Alamosa, CO) typically brings pleasant fall weather, with average highs around 78°F and lows near 42°F — a 36°F daily swing. Over 55 years of records, the warmest September 2nd was in 1990 (68°F average), while the coldest was 1992 (54°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 2nd dates historically, with the wettest September 2nd recording 0.61" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.

Planning for September 2nd in Great Sand Dunes? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202583°F40°F0"0"
202478°F36°F0"0"
202387°F46°F0"0"
202285°F42°F0"0"
202179°F46°F0.56"0"
202075°F39°F0.03"0"
201985°F43°F0"0"
201874°F44°F0"0"
201778°F42°F0"0"
201677°F46°F0"0"
201578°F45°F0"0"
201483°F41°F0"0"
201383°F52°F0.05"0"
201284°F48°F0"0"
201182°F50°F0.15"--
201081°F31°F0"0"
200981°F37°F0"0"
200876°F37°F0"0"
200779°F48°F0.05"0"
200674°F42°F0"0"
200574°F36°F0"0"
200477°F34°F0"0"
200380°F46°F0"0"
200281°F38°F0"0"
200175°F39°F0"0"
200077°F39°F0"0"
199974°F48°F0.03"0"
199874°F45°F0"0"
199782°F44°F0"0"
199674°F45°F0.43"0"
199584°F48°F0"0"
199474°F42°F0"0"
199373°F43°F0"0"
199272°F36°F0"0"
199182°F43°F0"0"
199084°F52°F0"0"
198984°F38°F0"0"
198873°F44°F0"0"
198775°F42°F0"0"
198673°F38°F0.05"0"
198575°F49°F0.15"0"
198472°F40°F0.03"0"
198384°F46°F0.13"0"
198283°F40°F0"0"
198179°F42°F0"0"
198082°F33°F0"0"
197981°F36°F0.05"0"
197883°F35°F0"0"
197775°F48°F0.61"0"
197677°F33°F0"0"
197581°F45°F0"0"
197471°F43°F0"0"
197371°F40°F0"0"
197275°F37°F0.13"0"
197175°F42°F0.05"0"

September 2 at Nearby Parks

Holiday Weather at Great Sand Dunes

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

Explore More at Great Sand Dunes

See historical weather for other dates

Back to Great Sand Dunes