Weather on September 19 at Big Bend

Big Bend National Park

TXSouthwest3,800 ft elevation
Avg High84°F
Avg Low58°F
Warmest202484°F
Coldest197147°F

Based on 54 years of data from Alpine, TX

Elevation Note: Big Bend sits at 3,800 ft. Expect temperatures 13°F cooler than the data shown below, which comes from Alpine, TX at a lower elevation.

Planning Your Visit

September 19th in Big Bend National Park (via Alpine, TX) typically brings warm fall weather, with average highs around 84°F and lows near 58°F — a 26°F daily swing. Over 54 years of records, the warmest September 19th was in 2024 (84°F average), while the coldest was 1971 (47°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 28% of September 19th dates historically, with the wettest September 19th recording 3.3" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.

Planning for September 19th in Big Bend? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202583°F62°F0.48"--
202495°F73°F----
202392°F66°F----
202284°F62°F----
202192°F61°F----
202078°F52°F----
201989°F59°F0"0"
201888°F63°F0"0"
201795°F62°F0"0"
201688°F63°F0"0"
2015100°F66°F0.25"--
201485°F66°F0.38"--
201382°F65°F1.22"0"
201278°F53°F0"0"
201187°F55°F0"--
201082°F61°F0"0"
200974°F51°F0"0"
200878°F50°F0"0"
200789°F55°F0"0"
200593°F62°F0"0"
200485°F58°F0.51"0"
200374°F57°F0"0"
200288°F56°F0"0"
200188°F62°F0.08"0"
200091°F62°F0"0"
199990°F60°F0"0"
199890°F57°F0.03"0"
199792°F63°F0"0"
199686°F60°F0"0"
199584°F63°F0.46"0"
199483°F46°F0"0"
199389°F60°F0"0"
199287°F56°F0"0"
199159°F38°F3.3"0"
199076°F62°F1.8"0"
198985°F57°F0"0"
198884°F57°F0"0"
198777°F56°F0"0"
198685°F58°F0"0"
198580°F61°F0.48"0"
198480°F46°F0"0"
198398°F67°F0"0"
198286°F60°F0"0"
198182°F47°F0"0"
198090°F59°F0"0"
197975°F48°F0"0"
197888°F64°F0.05"0"
197790°F59°F0.99"0"
197682°F54°F0"0"
197585°F59°F0"0"
197471°F60°F0.97"0"
197389°F59°F0"0"
197286°F59°F0"0"
197152°F43°F0.74"0"

September 19 at Nearby Parks

Holiday Weather at Big Bend

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

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