Guatemala City in September
In September, Guatemala City averages 24°C (75°F) during the day and 15°C (60°F) at night, with frequent rain — about 29 days of the month see precipitation (205 mm total).
ShoulderConditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.
September offers comfortable temperatures in Guatemala City, with some rain to plan around.
How September compares to the rest of the year in Guatemala City
September is in the middle of the year for warmth in Guatemala City (8th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 1°C below the annual average (24°C). September runs 1°C cooler than August (25°C) and cools 1°C in October (23°C).
September sunrise & sunset in Guatemala City
Times shown for Guatemala City local time (America/Guatemala), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Guatemala City — September
Golden-hour and blue-hour windows for the 15th of September, in Guatemala City's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Guatemala City in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Guatemala City's popularity.
Crowds & pricing — September in Guatemala City
Guatemala City is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — September in Guatemala City
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Guatemala City in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 23°C / 74°F | 12°C / 54°F | 20 mm | 14 | — |
| February | 25°C / 77°F | 13°C / 55°F | 12 mm | 10 | — |
| March | 26°C / 80°F | 14°C / 57°F | 22 mm | 15 | — |
| April | 27°C / 81°F | 15°C / 60°F | 39 mm | 17 | — |
| May | 26°C / 78°F | 16°C / 61°F | 134 mm | 25 | — |
| June | 24°C / 75°F | 16°C / 60°F | 211 mm | 27 | — |
| July | 24°C / 76°F | 15°C / 60°F | 127 mm | 25 | — |
| August | 25°C / 76°F | 15°C / 60°F | 172 mm | 27 | — |
| September | 24°C / 75°F | 15°C / 60°F | 205 mm | 29 | — |
| October | 23°C / 73°F | 15°C / 59°F | 176 mm | 25 | — |
| November | 22°C / 72°F | 14°C / 57°F | 64 mm | 19 | — |
| December | 23°C / 73°F | 13°C / 55°F | 16 mm | 13 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Guatemala City in September →
Frequently asked questions
How hot is Guatemala City in September?
In September, Guatemala City averages a high of 24°C (75°F) and a low of 15°C (60°F) — generally warm.
Does it rain a lot in Guatemala City in September?
September is quite rainy in Guatemala City, with about 29 rainy days on average.
Is September a good time to visit Guatemala City?
September is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Guatemala City in September?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full September packing list for Guatemala City for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.