Weather on September 15 at Arches

Arches National Park

UTSouthwest4,500 ft elevation
Avg High87°F
Avg Low53°F
Warmest200779°F
Coldest198960°F

Based on 54 years of data from Moab, UT

Elevation Note: Arches sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Moab, UT at a lower elevation.

Planning Your Visit

September 15th in Arches National Park (via Moab, UT) typically brings warm fall weather, with average highs around 87°F and lows near 53°F — a 34°F daily swing. Over 54 years of records, the warmest September 15th was in 2007 (79°F average), while the coldest was 1989 (60°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 15th dates historically, with the wettest September 15th recording 1.3" 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 15th in Arches? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202580°F54°F0"0"
202494°F55°F0"0"
202384°F55°F0"0"
202282°F55°F0.08"0"
202193°F54°F0"0"
202092°F48°F0"0"
201991°F51°F0"0"
201895°F62°F0"0"
201778°F50°F0.94"0"
201683°F47°F0"0"
201591°F60°F0.76"0"
201493°F57°F0"0"
201381°F55°F0"0"
201288°F55°F0"0"
201176°F56°F0"0"
201091°F55°F0"0"
200978°F58°F0.2"0"
200890°F49°F0"0"
200794°F64°F0"0"
200677°F56°F1.3"0"
200585°F45°F0"0"
200489°F47°F0"0"
200389°F43°F0"0"
200290°F51°F0"0"
200194°F51°F0"0"
2000103°F52°F0"0"
199982°F58°F0.18"0"
199894°F54°F0"--
199786°F64°F0.79"0"
199682°F45°F0.15"0"
199594°F52°F0"0"
199481°F42°F0"0"
199386°F63°F0"0"
199292°F65°F0"0"
199186°F52°F0"0"
198985°F35°F0"0"
198881°F42°F0"0"
198786°F43°F0"0"
198690°F54°F0"0"
198583°F60°F0.69"0"
198494°F57°F0.58"0"
198395°F53°F0"0"
198278°F44°F0.03"0"
198192°F55°F0"0"
198090°F50°F0"0"
197983°F48°F0"0"
197887°F52°F0"0"
197786°F59°F0"0"
197690°F57°F0"0"
197587°F52°F0"0"
197475°F55°F0.08"0"
197391°F54°F0"0"
197292°F50°F0"0"
197192°F48°F0"0"

September 15 at Nearby Parks

Holiday Weather at Arches

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

Explore More at Arches

See historical weather for other dates

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