Weather on September 21 at Guadalupe Mountains

Guadalupe Mountains National Park

TXSouthwest5,700 ft elevation
Avg High87°F
Avg Low62°F
Warmest202484°F
Coldest197461°F

Based on 55 years of data from El Paso, TX

Elevation Note: Guadalupe Mountains sits at 5,700 ft. Expect temperatures 20°F cooler than the data shown below, which comes from El Paso, TX at a lower elevation.

Planning Your Visit

September 21st in Guadalupe Mountains National Park (via El Paso, TX) typically brings warm fall weather, with average highs around 87°F and lows near 62°F — a 25°F daily swing. Over 55 years of records, the warmest September 21st was in 2024 (84°F average), while the coldest was 1974 (61°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 21st dates historically, with the wettest September 21st recording 1.78" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.

Planning for September 21st in Guadalupe Mountains? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202594°F69°F0"0"
202496°F71°F0"0"
202390°F67°F0"0"
202294°F70°F0"0"
202184°F68°F0"0"
202090°F59°F0"0"
201983°F66°F0.38"0"
201885°F64°F0"0"
201794°F71°F0"0"
201695°F71°F0"0"
201577°F66°F0.08"0"
201488°F70°F0"0"
201380°F62°F0"0"
201295°F63°F0"0"
201194°F66°F0"0"
201093°F71°F0.05"0"
200991°F65°F0"0"
200886°F62°F0"0"
200788°F63°F0"0"
200683°F69°F0"--
200592°F68°F0"--
200486°F63°F0"--
200390°F63°F0"--
200291°F56°F0"--
200194°F65°F0"--
200087°F62°F0"--
199974°F61°F0"--
199889°F72°F0"--
199784°F60°F1.78"--
199690°F53°F0"--
199582°F50°F0"0"
199482°F72°F0"0"
199394°F68°F0"0"
199292°F66°F0"0"
199172°F50°F0"0"
199088°F66°F0"0"
198995°F64°F0"0"
198886°F60°F1.55"0"
198780°F59°F0"0"
198692°F62°F0"0"
198582°F56°F0"0"
198490°F52°F0"0"
198379°F53°F0"0"
198280°F62°F0.03"0"
198195°F58°F0"0"
198098°F61°F0"0"
197989°F60°F0"0"
197869°F54°F0.2"0"
197791°F66°F0"0"
197684°F53°F0"0"
197576°F55°F0"0"
197469°F54°F1.3"0"
197393°F64°F0"0"
197278°F56°F0"0"
197185°F49°F0"0"

September 21 at Nearby Parks

Holiday Weather at Guadalupe Mountains

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

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