The month in detail
What to expect in September
Autumn marks the end of peak season in Anchorage. Temperatures drop (13°C) and rain returns (48% of days). With 48% of rainy days, always have indoor alternatives planned.
September ranks 6 out of 12 months in Anchorage. Compared to August: −5°C daytime, −1.3h of sun per day.
This month's conditions
What it's like in September
UV index
2 · low
no protection needed
Feels like
dry air
6°
Sea
13°C
cold, for the brave
Daylight
12.5h of daylight
Air quality
excellent
AQI 15
Compare
Is September the right month?
The best month in Anchorage is July (7.6/10), 3.5 pts higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Anchorage
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Anchorage
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a subarctic stay.
Country · United States
🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeSubarctic oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 20°C
❄️Coolest monthJanuary · -5°C
🌧️Rainiest month ⓘSeptember · 48%
🌌 Subarctic stay
🌌Northern lights ⓘSept → Mars
☀️Midnight sun ⓘJuin (~21h)
🌬️WindVery frequent
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Anchorage ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
United StatesSubarctic oceanic climate with a 7.6 → 0.8 gap between best and worst month. 10 years of ERA5 data to choose by project.
61.22°N · 149.90°W
Questions
Frequently asked questions
What is the best time to visit Anchorage?
June is the best month with 18.0°C highs, 10.0°C lows, 9.2h of sunshine and 27.0% rainy days. The months of June & July offer comparable conditions.
How many hours of sunshine does Anchorage get in June?
Anchorage averages 9.2 sunshine hours per day in June. It is the sunniest month with a climate score of 7.1/10.
What is the rainiest month in Anchorage?
November is the most unfavourable month with November has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Anchorage in June?
In June, overnight lows reach 10.0°C, while afternoon highs average 18.0°C.
Is Anchorage good in winter?
In winter (December-February), Anchorage scores 0.9/10 on average — Difficult period — prefer the peak season.. The best month overall remains June with a score of 7.1/10.
When should you avoid Anchorage?
November is the most difficult month to visit Anchorage, with November has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Anchorage in September?
In September, the sea averages 13°C in Anchorage: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Anchorage in September?
The average UV index reaches 2 in September in Anchorage (low), with about 12.5h of daylight. No protection needed.