Monkey River Town Weather in September
September in Monkey River Town typically sees daytime highs of 31°C (88°F) and nighttime lows of 26°C (79°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Monkey River Town in September
Monkey River Town is in the rainy season in September, with rain on around 18 days and an average of 333 mm (13 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Monkey River Town in September
September in Monkey River Town brings very high temperatures, with highs of 31°C (88°F) and nights around 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.
Sunshine in Monkey River Town in September
The city usually sees around 180 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).Our weather planner can help you find worldwide destinations with pleasant weather during this period. February and March typically offer the best weather for Monkey River Town.
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 Monkey River Town's climate page.
Monkey River Town Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Chance of Rain
61%
Precipitation
333 mm (13 in)
Rainy days
18 days
Sunshine
180 hours *
Percentage Sunshine
*
Daily Historical Temperatures
38-year average (1978-2025)
Based on our historical records, temperatures in Monkey River Town typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Historical weather for Monkey River Town in September
Browse day-by-day weather records for Monkey River Town spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Monkey River Town historical weather extremes in September
Based on 23 years of weather observations in Monkey River Town between 2002 and 2025, these are the recorded extremes.
- Monkey River Town recorded its highest September temperature of 39°C (102°F) on September 10, 2021.
- Monkey River Town experienced its chilliest September day on September 28, 2003, reaching only 26°C (79°F).
- The coldest night in September in Monkey River Town was on September 8, 2025, with a minimum of 13°C (55°F).
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 Monkey River Town in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Monkey River Town 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 Monkey River Town's climate page.
See the full Monkey River Town climate overview or explore weather in Belize.
