Weather on September 27 at Indiana Dunes

Indiana Dunes National Park

INMidwest600 ft elevation
Avg High72°F
Avg Low52°F
Warmest201778°F
Coldest199146°F

Based on 55 years of data from Gary, IN

Planning Your Visit

September 27th in Indiana Dunes National Park (via Gary, IN) typically brings pleasant fall weather, with average highs around 72°F and lows near 52°F. Over 55 years of records, the warmest September 27th was in 2017 (78°F average), while the coldest was 1991 (46°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 27th dates historically, with the wettest September 27th recording 3.56" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.

Planning for September 27th in Indiana Dunes? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202584°F61°F0"0"
202476°F--0"0"
202373°F62°F0.84"0"
202263°F52°F0"0"
202186°F63°F----
202080°F55°F----
201970°F50°F0"0"
201866°F44°F0"--
201791°F65°F0"0"
201670°F51°F0"0"
201579°F61°F0"0"
201478°F55°F0"0"
201372°F52°F0"0"
201264°F49°F0"0"
201165°F54°F0.61"0"
201059°F44°F0"0"
200967°F52°F0"0"
200872°F50°F0"0"
200765°F49°F0"0"
200670°F52°F0"0"
200569°F51°F0.03"0"
200469°F48°F0"0"
200368°F48°F1.47"0"
200273°F57°F0"0"
200163°F48°F0"0"
200067°F46°F0"0"
199978°F62°F0"0"
199884°F51°F0"0"
199776°F49°F0"0"
199660°F47°F3.56"0"
199580°F49°F--0"
199464°F49°F0.13"0"
199362°F48°F2.41"0"
199267°F50°F0.91"0"
199157°F36°F0"0"
199083°F51°F0"0"
198969°F35°F0"0"
198883°F55°F0"0"
198787°F56°F0"0"
198685°F67°F0"0"
198564°F46°F0.2"0"
198453°F43°F0.13"0"
198381°F49°F0"0"
198262°F52°F0"0"
198171°F51°F2.06"0"
198068°F40°F0"0"
197981°F48°F0"0"
197876°F50°F0"0"
197779°F50°F0"0"
197664°F56°F0"0"
197570°F38°F0"0"
197480°F51°F0"0"
197385°F67°F0"0"
197271°F52°F0"0"
197185°F65°F0"0"

September 27 at Nearby Parks

Holiday Weather at Indiana Dunes

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

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