Temperature
Pleasant by day, brisk at night.
Warm days with cooler nights and some sun.
Pleasant by day, brisk at night.
It rains on most days, with a mix of brief and longer spells. About 27 wet days, the highest monthly average.
Cloudier spells limit sunshine.
Humid air and frequent rain shape this month.
In September, afternoons feel about 77° and nights feel near 62°.
Overcast skies this month.
Calm winds are typical in September.
September late afternoons are around 71°F, easing to about 66°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 76 | 55 | 0.2 | 2 | 10.8 | 70 |
| Feb | 79 | 55 | 0.3 | 2 | 11.1 | 68 |
| Mar | 80 | 57 | 0.9 | 6 | 11.6 | 67 |
| Apr | 80 | 59 | 2.6 | 13 | 11.6 | 72 |
| May | 78 | 60 | 8.8 | 23 | 10.1 | 80 |
| Jun | 76 | 60 | 12.8 | 26 | 9.3 | 85 |
| Jul | 77 | 60 | 7.1 | 20 | 10.5 | 80 |
| Aug | 77 | 60 | 8.9 | 22 | 10.4 | 81 |
| Sep | 76 | 60 | 12.7 | 27 | 9.2 | 86 |
| Oct | 76 | 59 | 8.8 | 21 | 9.4 | 84 |
| Nov | 75 | 57 | 2.0 | 8 | 10.4 | 78 |
| Dec | 76 | 55 | 0.5 | 3 | 10.7 | 73 |
Similar climates
Want a side-by-side climate view? Compare Guatemala City with Panajachel.
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: Aug 26, 2026
Data & methodology