Cockscomb basin wildlife sanctuary
The Cockscomb Basin Wildlife Sanctuary is located in the south of Belize and is said to be the best place on earth to encounter a jaguar. Something you migh want to add to your bucket list.
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.
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.
Pick a month to see the average temperature, rainfall and sunshine in Monkey River Town - and find the best time to visit.
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).
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.
Based on 23 years of weather observations in Monkey River Town between 2002 and 2025, these are the recorded extremes.
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 →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Monkey River Town climate overview or explore weather in Belize.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Cockscomb basin wildlife sanctuary
The Cockscomb Basin Wildlife Sanctuary is located in the south of Belize and is said to be the best place on earth to encounter a jaguar. Something you migh want to add to your bucket list.
Dive and feel like Robinson Crusoe at Glover’s Reef
Belize has an amazing number of beautiful small islands. Many of these islands are unaffordable for the average backpacker. Glovers Reef is an exception to this.
River Tube in Belize
The best time to visit Belize and to River Tube is from December to mid-April, this is the dry season. If you like to avoid the crowds we recommend visiting May and early June.
The Cayo District is Belize's most adventurous region
This area has all the perfect ingredients for many different adventure activities. We are sure that the dramatic mix of this beautiful scenery made by Mother nature will capture your heart.