Anchorage in September
5.3out of 10
Not the best time
Cool: highs only around 13°C. Very wet: about 16 rainy days.
13°CAvg high
8°CAvg low
16Rainy days (117 mm)
12:32 hDaylight
07:38Sunrise · 20:10 Sunset
Why this score
- Cool: highs only around 13°C
- Very wet: about 16 rainy days
- Rain varies a lot between years (±4.3 days)
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±4.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -6°C | -10°C | 50 mm | 11 | – | – | 3.7 |
| February | -3°C | -8°C | 50 mm | 10 | – | – | 3.8 |
| March | 0°C | -6°C | 38 mm | 9 | – | – | 3.9 |
| April | 6°C | -1°C | 30 mm | 7 | – | – | 5.3 |
| May | 11°C | 4°C | 30 mm | 8 | – | – | 6.4 |
| June | 15°C | 9°C | 40 mm | 10 | – | – | 6.8 |
| July | 17°C | 12°C | 73 mm | 13 | – | – | 6.6 |
| August | 17°C | 12°C | 106 mm | 15 | – | – | 6.1 |
| September | 13°C | 8°C | 117 mm | 16 | – | – | 5.3 |
| October | 6°C | 1°C | 91 mm | 14 | – | – | 4.5 |
| November | -1°C | -6°C | 65 mm | 11 | – | – | 3.6 |
| December | -4°C | -9°C | 74 mm | 13 | – | – | 3.4 |
Frequently asked questions
How hot is Anchorage in September?
Daytime highs average 13°C and nights about 8°C.
When is the best time to visit Anchorage?
The best months are June, July, May.