Weather on September 7 at Katmai

Katmai National Park and Preserve

AKAlaska200 ft elevation
Avg High61°F
Avg Low46°F
Warmest202559°F
Coldest197148°F

Based on 30 years of data from Anchorage, AK

Planning Your Visit

September 7th in Katmai National Park (via Anchorage, AK) typically brings mild fall weather, with average highs around 61°F and lows near 46°F. Over 30 years of records, the warmest September 7th was in 2025 (59°F average), while the coldest was 1971 (48°F) — a 11°F range across recorded history. Rain or other precipitation has occurred on about 53% of September 7th dates historically, with the wettest September 7th recording 0.94" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.

Planning for September 7th in Katmai? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202566°F51°F0.05"--
202462°F46°F0"--
202354°F42°F0.15"--
202263°F50°F0.81"--
202162°F46°F0"--
202065°F48°F0"--
201954°F43°F0.94"--
201867°F45°F0"--
201755°F43°F0.05"--
201664°F50°F0.15"--
201563°F53°F0.13"--
201461°F40°F0"--
201359°F50°F0.61"--
201257°F42°F0.08"--
201158°F49°F0.03"--
201063°F50°F0.56"--
200967°F44°F0"--
200859°F50°F0.08"--
200762°F50°F0.13"--
200663°F43°F0.03"--
200561°F50°F0"--
200462°F38°F0"--
200362°F38°F0"--
200261°F48°F0"0"
200158°F44°F0.28"0"
200061°F44°F0"--
199961°F47°F0"0"
199859°F38°F0.03"0"
197257°F44°F0"--
197153°F42°F0"0"

September 7 at Nearby Parks

Holiday Weather at Katmai

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

Explore More at Katmai

See historical weather for other dates

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