San Ignacio Weather in September
San Ignacio in September sees very high daytime temperatures of 33°C (91°F) and nighttime lows of 23°C (73°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in San Ignacio in September
This month brings the peak rainfall of the year, with heavy showers. Be sure to have a poncho ready to manage the downpours. Typically around 15 days of rainfall are expected, averaging 170 mm (6.7 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in San Ignacio in September
September in San Ignacio brings typical temperatures with highs around 33°C (91°F) and lows of 23°C (73°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in San Ignacio in September
With about 175 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.September in San Ignacio can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belize, check out our San Ignacio's climate page.
San Ignacio Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
33°C (91°F)
Chance of Rain
51%
Precipitation
170 mm (6.7 in)
Rainy days
15 days
Sunshine
175 hours *
Percentage Sunshine
*
Historical weather for San Ignacio in September
Browse day-by-day weather records for San Ignacio spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Ignacio historical weather extremes in September
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in San Ignacio.
- The warmest day in September was on September 14, 2009, with a maximum of 39°C (102°F).
- The coldest September day was on September 12, 2011, with a maximum of 27°C (81°F).
- San Ignacio registered its coldest September night on September 14, 2025, with temperatures dropping to 21°C (70°F).
- Peak precipitation in September occurred on September 5, 2007, when 42 mm (1.7 in) of precipitation was measured.
Best Places in Belize in September
Find out more about the weather in Belize and which places have the best travel conditions in this month. See all of Belize in September →
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What to Wear in San Ignacio in September
Pack for serious heat in San Ignacio in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in San Ignacio in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belize, check out our San Ignacio's climate page.
See the full San Ignacio climate overview or explore weather in Belize.
