St. James (Montego Bay)
September
Weather in St. James for September 2027
Your guide to St. James weather in September - trends and predictions
In general, the average temperature in St. James at the beginning of September is 29 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.4 °C by the end of September.
St. James experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 273.4 mm.
Is September a good time to visit St. James? check out the best time to travel to St. James page.
Temperatures
Rain 🌧️
More
7
Dry days
23
Rainy days
0
Snow days
29°/26°
Temperatures
19 km/h
Avg max wind
80 %
Avg humidity
St. James Weather September
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Temperatures trend during September in St. James
See the weather trend as well as the moving average line
September weather in St. James day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy light rain with thunder | 29° /26° | 6.8 mm | 8 | |
| 2 Sept. |  Thundery outbreaks possible | 29° /26° | 3.6 mm | 8 | |
| 3 Sept. |  Light rain | 29° /26° | 5 mm | 6 | |
| 4 Sept. | Light rain | 29° /27° | 4.6 mm | 7 | |
| 5 Sept. | Patchy light rain with thunder | 29° /27° | 5.8 mm | 7 | |
| 6 Sept. | Light rain | 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 | 29° /26° | 9.9 mm | 7 | |
| 9 Sept. | Light rain | 30° /26° | 7.4 mm | 7 | |
| 10 Sept. | Light rain | 30° /26° | 7 mm | 8 | |
| 11 Sept. | Light rain | 30° /26° | 4.4 mm | 6 | |
| 12 Sept. | Light rain | 30° /26° | 5.1 mm | 8 | |
| 13 Sept. | Light rain | 30° /27° | 2.6 mm | 8 | |
| 14 Sept. |  Moderate rain | 30° /26° | 15.1 mm | 8 | |
| 15 Sept. |  Patchy rain possible | 29° /26° | 1.5 mm | 7 | |
| 16 Sept. |  Moderate rain at times | 30° /26° | 5.6 mm | 7 | |
| 17 Sept. | Moderate rain | 30° /26° | 10.3 mm | 6 | |
| 18 Sept. | Patchy light rain with thunder | 29° /26° | 10.9 mm | 5 | |
| 19 Sept. | Light rain | 30° /27° | 8.3 mm | 5 | |
| 20 Sept. | Light rain | 29° /27° | 9.7 mm | 5 | |
| 21 Sept. |  Heavy rain | 29° /26° | 27.4 mm | 5 | |
| 22 Sept. | Patchy light rain with thunder | 29° /26° | 3.7 mm | 5 | |
| 23 Sept. | Heavy rain | 29° /26° | 33.6 mm | 5 | |
| 24 Sept. | Patchy light rain with thunder | 29° /26° | 4.8 mm | 6 | |
| 25 Sept. | Moderate or heavy rain with thunder | 29° /26° | 24 mm | 6 | |
| 26 Sept. | Light rain | 30° /27° | 7 mm | 6 | |
| 27 Sept. | Moderate rain | 29° /26° | 12.2 mm | 6 | |
| 28 Sept. | Moderate rain | 29° /27° | 11.1 mm | 6 | |
| 29 Sept. | Moderate or heavy rain with thunder | 29° /26° | 11 mm | 5 | |
| 30 Sept. | Moderate or heavy rain shower | 30° /27° | 7.4 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for St. James 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 St. James forecast closer to your planned date for the most up-to-date weather information.
Change Month
St. James in September - FAQ
What are the expected maximum and minimum temperatures in St. James 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 St. James during September?
Significant rainfall exceeding 273.4 mm is expected in St. James during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. James during September?
The average wind speed in St. James during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in St. James
Explore the daily rainfall trends and prepare for St. Jamess September weather 💧
Typically, St. James has 23 rainy days in September with a total of 273.4 mm of rainfall.
UV exposure in St. James during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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