Temperature
Hot by day, mild at night.
Humid air is the main limitation.
Hot by day, mild at night.
It rains on most days, with a mix of brief and longer spells. About 28 wet days, the highest monthly average.
Cloudier spells limit sunshine.
Very humid air is a major factor this month.
In September, afternoons feel about 91° and nights feel near 77°.
Overcast skies this month.
Calm winds are typical in September.
September late afternoons are around 81°F, easing to about 76°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 78 | 64 | 2.3 | 16 | 9.6 | 88 |
| Feb | 81 | 65 | 1.6 | 12 | 10.4 | 84 |
| Mar | 84 | 66 | 1.4 | 10 | 11.1 | 80 |
| Apr | 88 | 69 | 1.8 | 10 | 11.5 | 76 |
| May | 88 | 71 | 6.1 | 20 | 10.6 | 79 |
| Jun | 86 | 71 | 11.9 | 27 | 9.5 | 85 |
| Jul | 84 | 70 | 8.3 | 27 | 9.9 | 87 |
| Aug | 85 | 70 | 8.6 | 27 | 10.0 | 87 |
| Sep | 86 | 70 | 12.3 | 28 | 9.4 | 87 |
| Oct | 83 | 69 | 7.9 | 24 | 9.1 | 88 |
| Nov | 79 | 67 | 3.9 | 17 | 9.3 | 89 |
| Dec | 78 | 65 | 2.4 | 16 | 9.4 | 89 |
Similar climates
Want a side-by-side climate view? Compare Copan Ruinas with Sigiriya.
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: Jun 1, 2026
Data & methodology