Weather on September 13 at Rocky Mountain

Rocky Mountain National Park

CORocky Mountain8,000 ft elevation
Avg High68°F
Avg Low38°F
Warmest201863°F
Coldest197439°F

Based on 53 years of data from Estes Park, CO

Elevation Note: Rocky Mountain sits at 8,000 ft. Expect temperatures 28°F cooler than the data shown below, which comes from Estes Park, CO at a lower elevation.

Planning Your Visit

September 13th in Rocky Mountain National Park (via Estes Park, CO) typically brings mild fall weather, with average highs around 68°F and lows near 38°F — a 30°F daily swing. Over 53 years of records, the warmest September 13th was in 2018 (63°F average), while the coldest was 1974 (39°F) — a 24°F range across recorded history. Precipitation has occurred on 32% of recorded September 13th dates, with snow falling 2% of the time (heaviest snowfall: 4"). 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 13th in Rocky Mountain? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202572°F39°F0"--
202480°F42°F0"0"
202367°F35°F0"0"
202278°F32°F0"0"
202176°F43°F----
202071°F36°F0"0"
201963°F34°F0"0"
201883°F44°F0"0"
201780°F45°F0"0"
201673°F42°F0.28"0"
201577°F41°F0"0"
201451°F26°F0"0"
201356°F50°F9.5"0"
201249°F35°F0"0"
201170°F46°F0"0"
201072°F39°F0"0"
200946°F34°F0.41"0"
200852°F39°F0.33"0"
200774°F44°F0"0"
200667°F35°F0"0"
200569°F40°F0"0"
200474°F46°F0.03"0"
200366°F33°F0.2"0"
200267°F46°F0"0"
200175°F42°F0"0"
200077°F36°F0"0"
199960°F28°F0.76"--
199866°F37°F0.46"0"
199769°F42°F0"0"
199656°F35°F0.48"0"
199567°F33°F0"0"
199471°F38°F1.02"0"
199375°F32°F1.27"4"
199274°F50°F0"0"
199166°F40°F0.1"0"
199086°F35°F0"0"
198954°F30°F0.66"0"
198848°F37°F0.03"0"
198774°F37°F0"0"
198668°F44°F0"0"
198471°F52°F0.25"0"
198372°F34°F0.03"0"
198175°F40°F0"0"
198070°F40°F0.1"0"
197957°F31°F0"0"
197862°F31°F0"0"
197763°F37°F0"0"
197668°F39°F0"0"
197560°F35°F0"0"
197450°F29°F0"0"
197369°F43°F0"0"
197272°F43°F0"0"
197179°F32°F0"0"

September 13 at Nearby Parks

Holiday Weather at Rocky Mountain

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

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See historical weather for other dates

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