Month summary
Anchorage weather in September
⚠️ Fair
🌡️ Temperature min / max
45°F – 55°F
🌧 Rainy days
57% of days
☀️ Sunshine
7.5h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
4.1/10
📅 📅 Best month
June (7.5/10)
Quick decision
Should you visit Anchorage in September?
⚠️ Fair
✅ Yes if: you prefer off-season travel with reduced prices and very few tourists.
❌ No if: you want to avoid rain — more than half the days are rainy.
Our take: Anchorage in September: 57% rain, 7.5h of sunshine. Better to wait for June.
By trip type
Anchorage in September by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in September
Autumn marks the end of peak season in Anchorage. Temperatures drop (13°F) and rain returns (57% of days). With 57% of rainy days, always have indoor alternatives planned.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ❄️ January | 14°F | 23°F | 37% | 0.1in | 2.0h | 2.0/10 |
| ❄️ February | 16°F | 27°F | 40% | 0.1in | 5.0h | 2.9/10 |
| 🌨️ March | 21°F | 36°F | 30% | 0.1in | 8.8h | 4.3/10 |
| 🌫️ April | 28°F | 46°F | 28% | 0.0in | 11.3h | 5.8/10 |
| 🌦️ May | 41°F | 55°F | 40% | 0.1in | 12.3h | 6.8/10 |
| 🌤️ June | 50°F | 64°F | 30% | 0.1in | 14.1h | 7.5/10 |
| 🌤️ July | 54°F | 68°F | 37% | 0.1in | 13.0h | 7.5/10 |
| 🌦️ August | 52°F | 64°F | 52% | 0.2in | 9.7h | 7.0/10 |
| 🌦️ September | 45°F | 55°F | 57% | 0.2in | 7.5h | 4.1/10 |
| 🌦️ October | 34°F | 43°F | 44% | 0.1in | 5.6h | 3.0/10 |
| ❄️ November | 19°F | 28°F | 41% | 0.1in | 3.4h | 2.2/10 |
| ❄️ December | 14°F | 23°F | 43% | 0.1in | 0.5h | 1.2/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Anchorage averages 55°F, 57% rainy days and 7.5h of sunshine per day. Overall weather score: 4.1/10.
See methodology →
Comparison
September vs June (best month)
The best month is June (score 7.5/10). Difference:
- 🌡️ Max temperature : +5°F
- 🌧 Rainy days : -27%
- ☀️ Sunshine : +6.6h/day
FAQ
FAQ — Anchorage in September
Is September a good time to visit Anchorage?
September is not recommended for Anchorage (score 4.1/10). With 57% rainy days and 7.5h of sunshine, consider June (7.5/10) instead.
Does it rain a lot in Anchorage in September?
Yes, 57% of days see rain in September. Plan some indoor activities as backup.
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