Cayo (San Ignacio)
September
Weather in Cayo for September 2025
Your guide to Cayo weather in September - trends and predictions
In general, the average temperature in Cayo at the beginning of September is 33.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 32.1 °C by the end of September.
Expect significant rainfall in Cayo during September, with an average of 20 rainy days.
Is September a good time to visit Cayo? check out the best time to travel to Cayo page.
- New! Chat with our AI weatherman - it’s amazing and free.
10
Dry days
20
Rainy days
0
Snow days
34°/21°
Temperatures
11 km/h
Avg max wind
79 %
Avg humidity
Cayo in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  35° | 2  33° | 3 34° | 4 33° | 5 34° | 6  30° | 7 33° |
| 8 31° | 9  34° | 10 31° | 11 32° | 12 32° | 13 33° | 14 35° |
| 15 35° | 16 33° | 17 35° | 18 34° | 19 35° | 20 35° | 21 32° |
| 22 32° | 23 32° | 24 35° | 25 34° | 26 32° | 27 32° | 28 31° |
| 29 28° | 30 33° |
You can click on date
Access Cayo weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Cayo
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Fog | 35° /22° | 1.4 mm | 8 | |
| 2 Sept. | Light rain shower | 33° /22° | 1.7 mm | 7 | |
| 3 Sept. | Fog | 34° /22° | 1.6 mm | 8 | |
| 4 Sept. | Fog | 33° /22° | 3.3 mm | 7 | |
| 5 Sept. | Patchy rain possible | 34° /22° | 0.6 mm | 8 | |
| 6 Sept. | Moderate rain | 30° /22° | 15.9 mm | 7 | |
| 7 Sept. | Fog | 33° /21° | 7.6 mm | 7 | |
| 8 Sept. | Fog | 31° /21° | 5 mm | 7 | |
| 9 Sept. | Patchy light rain with thunder | 34° /22° | 5.8 mm | 8 | |
| 10 Sept. | Fog | 31° /21° | 6.7 mm | 7 | |
| 11 Sept. | Fog | 32° /21° | 3.2 mm | 7 | |
| 12 Sept. | Fog | 32° /22° | 2 mm | 7 | |
| 13 Sept. | Fog | 33° /22° | 0.3 mm | 7 | |
| 14 Sept. | Mist | 35° /21° | 0.2 mm | 8 | |
| 15 Sept. | Mist | 35° /22° | 0.5 mm | 8 | |
| 16 Sept. | Fog | 33° /21° | 2.2 mm | 8 | |
| 17 Sept. | Fog | 35° /22° | 0.3 mm | 8 | |
| 18 Sept. | Fog | 34° /22° | 0.7 mm | 8 | |
| 19 Sept. | Fog | 35° /21° | 0.2 mm | 7 | |
| 20 Sept. | Fog | 35° /21° | 1.5 mm | 8 | |
| 21 Sept. | Light rain shower | 32° /21° | 4.2 mm | 7 | |
| 22 Sept. | Light rain shower | 32° /21° | 4.7 mm | 7 | |
| 23 Sept. | Patchy rain possible | 32° /21° | 8.3 mm | 7 | |
| 24 Sept. | Fog | 35° /20° | 3.9 mm | 7 | |
| 25 Sept. | Light rain shower | 34° /20° | 3.7 mm | 7 | |
| 26 Sept. | Light rain shower | 32° /21° | 6.1 mm | 7 | |
| 27 Sept. | Light rain shower | 32° /21° | 7.9 mm | 7 | |
| 28 Sept. | Light rain shower | 31° /21° | 4.2 mm | 7 | |
| 29 Sept. | Light rain shower | 28° /22° | 8.3 mm | 6 | |
| 30 Sept. | Light rain shower | 33° /21° | 5.6 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Cayo in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cayo forecast closer to your planned date for the most up-to-date weather information.
Cayo in September - FAQ
What are the expected maximum and minimum temperatures in Cayo during September?
During September, expect a variety of temperatures with highs around 34° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cayo during September?
Significant rainfall exceeding 109.2 mm is expected in Cayo during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cayo during September?
The average wind speed in Cayo during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cayo in September?
As you prepare for your trip to Cayo 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 Cayo, 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 Cayo
Explore the daily rainfall trends and prepare for Cayos September weather 💧
UV exposure in Cayo during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Cayo
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Cayo?Get accurate weather forecasts for Cayo, located at latitude 17.159 and longitude -89.07. Stay updated with localized weather information tailored for Cayo.
Found a mistake?
We appreciate your attention to details. Tell us here.