Temperature
Cool by day, brisk at night.
Cool days.
Cool by day, brisk at night.
Several rainy days, mostly brief and on-and-off. About 9 wet days, the lowest monthly average.
Sunshine is limited, with cloud often dominating.
In September, afternoons feel about 58° and nights feel near 45°.
Mostly cloudy skies this month.
Calm winds are typical in September.
September late afternoons are around 64°F, easing to about 58°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 31 | 23 | 1.7 | 11 | 1.2 | 89 |
| Feb | 33 | 24 | 1.5 | 10 | 2.2 | 85 |
| Mar | 42 | 29 | 1.4 | 10 | 3.7 | 77 |
| Apr | 55 | 37 | 1.6 | 9 | 5.2 | 69 |
| May | 64 | 45 | 2.4 | 12 | 7.3 | 69 |
| Jun | 71 | 52 | 2.7 | 11 | 8.0 | 71 |
| Jul | 74 | 57 | 3.5 | 13 | 7.5 | 74 |
| Aug | 74 | 55 | 2.9 | 11 | 7.0 | 74 |
| Sep | 64 | 48 | 2.0 | 9 | 4.8 | 79 |
| Oct | 52 | 40 | 2.0 | 10 | 2.9 | 85 |
| Nov | 41 | 34 | 1.6 | 10 | 1.1 | 90 |
| Dec | 34 | 27 | 1.7 | 11 | 0.9 | 90 |
Similar climates
Want a side-by-side climate view? Compare Augustów with Aberdeen.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology