Water temperature in Negril in September
Is it warm enough to swim in Negril in September? Average water temperature in Negril in September is 30°C and therefore suitable for comfortable swimming. The warmest sea in Negril in September is 31.5°C, and the coldest is 28.8°C. Average high air temperature in Negril in September is 34°C, and average low temperature is 26°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Negril
Changes water temperature in Negril in September 2025, 2024
To get an accurate forecast for the water temperature in Negril for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Negril, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.
You can choose any other years:
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 1 September | 30.7°C | 30.4°C | 29.1°C | 31°C |
| 2 September | 30.7°C | 30.5°C | 29.4°C | 30.8°C |
| 3 September | 30.7°C | 30.5°C | 29.5°C | 30.7°C |
| 4 September | 30.9°C | 30.6°C | 29.4°C | 30.9°C |
| 5 September | 30.4°C | 29.5°C | 30.8°C | |
| 6 September | 30.6°C | 29.5°C | 30.7°C | |
| 7 September | 30.6°C | 29.6°C | 30.6°C | |
| 8 September | 30.6°C | 29.3°C | 30.8°C | |
| 9 September | 30.6°C | 29.3°C | 31°C | |
| 10 September | 30.8°C | 29.3°C | 31°C | |
| 11 September | 30.5°C | 29.4°C | 31°C | |
| 12 September | 31°C | 29.4°C | 31°C | |
| 13 September | 30.9°C | 29.4°C | 30.9°C | |
| 14 September | 30.8°C | 29.5°C | 31.1°C | |
| 15 September | 30.9°C | 29.3°C | 31.3°C |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| 16 September | 30.9°C | 29.4°C | 31°C | |
| 17 September | 30.8°C | 29.4°C | 31°C | |
| 18 September | 30.9°C | 29.4°C | 31.2°C | |
| 19 September | 30.9°C | 29.4°C | 31.3°C | |
| 20 September | 30.7°C | 29.5°C | 31.5°C | |
| 21 September | 30.7°C | 29.5°C | 31.5°C | |
| 22 September | 30.6°C | 29.4°C | 31.3°C | |
| 23 September | 30.5°C | 29.3°C | 31.3°C | |
| 24 September | 30.3°C | 29.4°C | 31.4°C | |
| 25 September | 30.2°C | 29.3°C | 31.2°C | |
| 26 September | 30.4°C | 29.4°C | 31°C | |
| 27 September | 30.5°C | 28.8°C | 30.9°C | |
| 28 September | 30.4°C | 28.9°C | 31.3°C | |
| 29 September | 30.3°C | 29.3°C | 31.1°C | |
| 30 September | 30.6°C | 29.4°C | 31.1°C |
Average water temperature in Negril in September over a decade
| 2015 | 2016 | 2017 | 2018 | 2019 |
| 29.7°C | 29.9°C | 30.4°C | 29.6°C | 30.3°C |
| 2020 | 2021 | 2022 | 2023 | 2024 |
| 29.9°C | 29.9°C | 30°C | 31°C | 30.6°C |
Negril sea state in September
Chart comparing the height of waves in Negril in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.
Weather and climate in Negril in September
This data display average monthly climate indicators in Negril in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
- Average HIGH temperature34°C
- Average LOW temperature26°C
- Average rainfall days14 days
- Average rainfall9''/229mm
- Average daylight12h
- Average sunshine7h
- Average UV index12
Negril water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
