Jamaica (Montego Bay)
September
Weather in Jamaica for September 2026
Your guide to Jamaica weather in September - trends and predictions
Strong Wind and Large Waves Advisory - See hour by hour.
Until now, September 2026 in Jamaica has been nearly identical to the historical average, with a temperature of 29.6 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Jamaica predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Jamaica at the beginning of September is 29.1 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.3 °C by the end of September.
Jamaica experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 308.3 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
0
Dry days
30
Rainy days
0
Snow days
29°/26°
Temperatures
19 km/h
Avg max wind
80 %
Avg humidity
Jamaica Weather September
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What’s the Weather Like in Jamaica This September?
Discover the average temperatures and weather trends across Jamaica’s cities this September.
Temperatures trend during September in Jamaica
See the weather trend as well as the moving average line
September weather in Jamaica day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy light rain with thunder | 29° /25° | 6.8 mm | 8 | |
| 2 Sept. |  Thundery outbreaks possible | 29° /26° | 3.6 mm | 8 | |
| 3 Sept. |  Overcast | 29° /26° | 5 mm | 6 | |
| 4 Sept. |  Light rain shower | 29° /26° | 4.6 mm | 7 | |
| 5 Sept. | Patchy light rain with thunder | 30° /26° | 5.8 mm | 7 | |
| 6 Sept. | Patchy rain possible | 29° /26° | 2.8 mm | 6 | |
| 7 Sept. | Thundery outbreaks possible | 29° /26° | 4.7 mm | 8 | |
| 8 Sept. |  Moderate or heavy rain with thunder | 30° /26° | 9.9 mm | 7 | |
| 9 Sept. | Light rain shower | 30° /25° | 7.4 mm | 7 | |
| 10 Sept. | Light rain shower | 30° /26° | 7 mm | 8 | |
| 11 Sept. |  Moderate rain at times | 31° /26° | 4.4 mm | 6 | |
| 12 Sept. |  Sunny | 30° /26° | 2 mm | 10.7 | |
| 13 Sept. | Sunny | 30° /26° | 6.4 mm | 10.3 | |
| 14 Sept. | Sunny | 29° /26° | 5.7 mm | 10.7 | |
| 15 Sept. | Sunny | 29° /26° | 8.1 mm | 7 | |
| 16 Sept. | Patchy rain possible | 28° /25° | 8.4 mm | 7 | |
| 17 Sept. | Overcast | 29° /25° | 10.7 mm | 6 | |
| 18 Sept. | Light rain shower | 26° /24° | 13.1 mm | 6 | |
| 19 Sept. | Light rain shower | 28° /24° | 9.4 mm | 6 | |
| 20 Sept. | Light rain shower | 30° /26° | 11 mm | 7 | |
| 21 Sept. | Overcast | 30° /26° | 11.6 mm | 7 | |
| 22 Sept. | Overcast | 29° /26° | 10 mm | 6 | |
| 23 Sept. | Overcast | 29° /27° | 0.6 mm | 6 | |
| 24 Sept. | Overcast | 29° /26° | 1.7 mm | 7 | |
| 25 Sept. | Light rain shower | 29° /26° | 4.6 mm | 7 | |
| 26 Sept. |  Torrential rain shower | 30° /26° | 9.4 mm | 7 | |
| 27 Sept. | Light rain shower | 29° /26° | 14.4 mm | 6 | |
| 28 Sept. | Light rain shower | 29° /26° | 13.4 mm | 6 | |
| 29 Sept. | Moderate or heavy rain with thunder | 29° /26° | 14.6 mm | 6 | |
| 30 Sept. | Moderate or heavy rain shower | 30° /26° | 9.2 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Jamaica 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 Jamaica forecast closer to your planned date for the most up-to-date weather information.
Change Month
Jamaica in September - FAQ
What are the expected maximum and minimum temperatures in Jamaica during September?
During September, expect a variety of temperatures with highs around 29° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jamaica during September?
Significant rainfall exceeding 308.3 mm is expected in Jamaica during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jamaica during September?
The average wind speed in Jamaica during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Jamaica
Explore the daily rainfall trends and prepare for Jamaicas September weather 💧
Typically, Jamaica has 30 rainy days in September with a total of 308.3 mm of rainfall.
UV exposure in Jamaica during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Jamaica?Get accurate weather forecasts for Jamaica, located at latitude 18.471 and longitude -77.919. Stay updated with localized weather information tailored for Jamaica.
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