Weather on September 13 at Indiana Dunes

Indiana Dunes National Park

INMidwest600 ft elevation
Avg High77°F
Avg Low57°F
Warmest200579°F
Coldest197549°F

Based on 55 years of data from Gary, IN

Planning Your Visit

September 13th in Indiana Dunes National Park (via Gary, IN) typically brings pleasant fall weather, with average highs around 77°F and lows near 57°F. Over 55 years of records, the warmest September 13th was in 2005 (79°F average), while the coldest was 1975 (49°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 36% of September 13th dates historically, with the wettest September 13th recording 12.07" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

Planning for September 13th in Indiana Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202581°F62°F0.03"0"
202484°F62°F0"0"
202367°F50°F0.03"0"
202261°F52°F0.51"0"
202188°F67°F----
202071°F56°F----
201989°F69°F3.58"0"
201877°F55°F0"--
201772°F56°F0.15"0"
201679°F61°F0"0"
201563°F51°F0.74"0"
201460°F46°F0.46"0"
201381°F57°F0"0"
201284°F65°F0"0"
201185°F63°F0"0"
201082°F58°F0"0"
200976°F50°F0"0"
200873°F68°F12.07"0"
200763°F51°F0"0"
200673°F60°F4.27"0"
200589°F68°F0"0"
200484°F60°F0"0"
200383°F63°F0"0"
200274°F51°F0"0"
200183°F62°F0"0"
200068°F48°F0.13"0"
199970°F46°F0"0"
199887°F57°F0"0"
199777°F52°F0"0"
199667°F47°F0"0"
199579°F55°F--0"
199486°F62°F0"0"
199381°F50°F0.13"0"
199277°F51°F0"0"
199180°F64°F0.36"0"
199083°F63°F0"0"
198956°F48°F1.04"0"
198883°F61°F0"0"
198780°F47°F0"0"
198673°F46°F0"0"
198565°F39°F0"0"
198483°F68°F0.41"0"
198373°F58°F0.13"0"
198284°F67°F0"0"
198188°F62°F0"0"
198085°F--0.28"0"
197984°F63°F0"0"
197890°F63°F0.41"0"
197779°F57°F3.81"0"
197684°F54°F0"0"
197560°F38°F0"0"
197480°F53°F3.43"0"
197375°F53°F0"0"
197285°F67°F0.79"0"
197175°F53°F0"0"

September 13 at Nearby Parks

Holiday Weather at Indiana Dunes

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

Explore More at Indiana Dunes

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