Weather in Belize for September 2025
In general, the average temperature in Belize at the beginning of September is 30.3 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 30.7 °C by the end of September.
Belize experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Belize? check out the best time to travel to Belize page.
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Belize in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  30° | 3 31° | 4 30° | 5 30° | 6 29° | 7  31° |
| 8 31° | 9 32° | 10 30° | 11 31° | 12 31° | 13  31° | 14 33° |
| 15  31° | 16 31° | 17 31° | 18 30° | 19 31° | 20 30° | 21  32° |
| 22 30° | 23 31° | 24 31° | 25 31° | 26 32° | 27 30° | 28 30° |
| 29 31° | 30 30° |
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Temperatures trend during September in Belize
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 31° /26° | 4 mm | 7 | |
| 2 Sept. | Moderate or heavy rain shower | 30° /26° | 12.7 mm | 7 | |
| 3 Sept. | Light rain shower | 31° /26° | 5.3 mm | 7 | |
| 4 Sept. | Moderate or heavy rain shower | 30° /25° | 14.5 mm | 7 | |
| 5 Sept. | Light rain shower | 30° /26° | 14.3 mm | 7 | |
| 6 Sept. | Light rain shower | 29° /25° | 15.9 mm | 7 | |
| 7 Sept. | Cloudy | 31° /26° | 4.7 mm | 7 | |
| 8 Sept. | Light rain shower | 31° /26° | 7.2 mm | 7 | |
| 9 Sept. | Light rain shower | 32° /26° | 12.2 mm | 7 | |
| 10 Sept. | Moderate or heavy rain shower | 30° /25° | 14.1 mm | 7 | |
| 11 Sept. | Light rain shower | 31° /26° | 5.4 mm | 7 | |
| 12 Sept. | Moderate or heavy rain shower | 31° /26° | 5.2 mm | 7 | |
| 13 Sept. | Partly cloudy | 31° /26° | 0.3 mm | 8 | |
| 14 Sept. | Partly cloudy | 33° /26° | 0.1 mm | 8 | |
| 15 Sept. | Mist | 31° /26° | 1.9 mm | 7 | |
| 16 Sept. | Light rain shower | 31° /26° | 5.1 mm | 7 | |
| 17 Sept. | Light rain shower | 31° /27° | 3.2 mm | 7 | |
| 18 Sept. | Mist | 30° /27° | 10.4 mm | 7 | |
| 19 Sept. | Moderate rain at times | 31° /27° | 4.7 mm | 7 | |
| 20 Sept. | Light rain shower | 30° /27° | 7.7 mm | 7 | |
| 21 Sept. | Patchy light rain with thunder | 32° /27° | 8.3 mm | 7 | |
| 22 Sept. | Light rain shower | 30° /26° | 25.2 mm | 7 | |
| 23 Sept. | Patchy light rain with thunder | 31° /25° | 11.9 mm | 7 | |
| 24 Sept. | Patchy rain possible | 31° /24° | 1.6 mm | 7 | |
| 25 Sept. | Patchy light rain with thunder | 31° /23° | 11.5 mm | 7 | |
| 26 Sept. | Light rain shower | 32° /25° | 10.4 mm | 7 | |
| 27 Sept. | Moderate or heavy rain shower | 30° /26° | 17 mm | 7 | |
| 28 Sept. | Moderate or heavy rain shower | 30° /24° | 7.4 mm | 7 | |
| 29 Sept. | Light rain shower | 31° /26° | 11.4 mm | 7 | |
| 30 Sept. | Light rain shower | 30° /25° | 25.7 mm | 7 | |
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Guide for Belize in September
In September, Belize experiences warm and humid weather with occasional rain showers. At the beginning of the month, the average temperature in Belize is around 28°, with high humidity levels.
The region is also prone to occasional tropical storms or hurricanes during this time, so visitors should stay updated on weather forecasts and any potential warnings.
By the end of September, the temperature in Belize tends to remain relatively consistent, with average temperatures hovering around 28°. The humidity levels may decrease slightly towards the end of the month, providing some relief from the muggy conditions experienced earlier in the month.
However, there is still a possibility of sporadic rain showers, so it's advisable for travelers to pack appropriate rain gear and plan indoor activities as well.
Overall, September in Belize offers warm temperatures and the opportunity to explore the natural beauty of the country, including its lush rainforests and stunning coastline. However, visitors should be mindful of the potential for tropical storms and plan their activities accordingly.
Belize in September - FAQ
What to pack to Belize in September?
As you prepare for your trip to Belize in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Belize, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
- Insect Repellent: For destinations with mosquitos or other insects
September rainfall patterns in Belize
UV exposure in Belize during September
Quick links
Where is Belize?Get accurate weather forecasts for Belize, located at latitude 17.5 and longitude -88.198. Stay updated with localized weather information tailored for Belize.