Weather on September 23 at Acadia

Acadia National Park

MENortheast500 ft elevation
Avg High67°F
Avg Low49°F
Warmest201770°F
Coldest197948°F

Based on 53 years of data from Bar Harbor, ME

Planning Your Visit

September 23rd in Acadia National Park (via Bar Harbor, ME) typically brings mild fall weather, with average highs around 67°F and lows near 49°F. Over 53 years of records, the warmest September 23rd was in 2017 (70°F average), while the coldest was 1979 (48°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 42% of September 23rd dates historically, with the wettest September 23rd recording 5.69" 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 23rd in Acadia? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202576°F58°F----
202459°F51°F----
202367°F48°F----
202256°F44°F----
202174°F63°F----
202074°F48°F----
201975°F65°F----
201865°F46°F----
201783°F58°F----
201664°F46°F----
201574°F50°F----
201463°F41°F----
201358°F43°F----
201272°F56°F0"--
201174°F60°F0.05"--
201071°F54°F0"0"
200971°F55°F0"0"
200868°F35°F0"0"
200773°F57°F0"0"
200662°F49°F0.08"0"
200575°F61°F0.05"0"
200465°F55°F0"0"
200363°F56°F----
200273°F61°F2.59"0"
200178°F59°F--0"
199961°F52°F0.84"0"
199871°F44°F0.74"0"
199760°F49°F0"0"
199659°F45°F0.36"0"
199561°F51°F0.81"0"
199461°F47°F0.2"0"
199366°F44°F0.91"0"
199266°F49°F1.04"0"
199161°F46°F0.1"0"
199067°F52°F5.69"0"
198974°F62°F0"0"
198863°F41°F0"0"
198764°F44°F0"0"
198666°F48°F0.99"0"
198568°F48°F0"0"
198471°F45°F0"0"
198364°F42°F0.03"0"
198255°F44°F0.25"0"
198162°F48°F1.27"0"
198071°F54°F0.2"0"
197958°F39°F0.13"0"
197862°F41°F0"0"
197760°F41°F2.84"0"
197663°F46°F0"0"
197460°F46°F0.08"0"
197364°F46°F1.02"0"
197267°F41°F0"0"
197167°F47°F0"0"

September 23 at Nearby Parks

Holiday Weather at Acadia

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

Explore More at Acadia

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