Water temperature in Cayman Brac in September

Is it warm enough to swim in Cayman Brac in September? Average water temperature in Cayman Brac in September is 30.1°C and therefore suitable for comfortable swimming. The warmest sea in Cayman Brac in September is 31.3°C, and the coldest is 28.9°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cayman Brac

Changes water temperature in Cayman Brac in September 2025, 2024

To get an accurate forecast for the water temperature in Cayman Brac for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cayman Brac, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 September	30.8°C	30.7°C	29.1°C	30.8°C
2 September	30.8°C	30.6°C	29.1°C	30.8°C
3 September	30.9°C	30.6°C	29.2°C	30.9°C
4 September	30.9°C	30.6°C	29.3°C	30.9°C
5 September	30.8°C	30.6°C	29.5°C	30.8°C
6 September	30.9°C	30.6°C	29.4°C	30.9°C
7 September	31°C	30.5°C	29.3°C	31°C
8 September	30.8°C	30.7°C	29.2°C	30.8°C
9 September	30.9°C	30.6°C	29°C	30.9°C
10 September	31°C	30.8°C	28.9°C	31°C
11 September	31.1°C	30.9°C	29.3°C	31.1°C
12 September	31°C	30.9°C	29.3°C	31°C
13 September	31.3°C	31.3°C	29.4°C	31.3°C
14 September	30.9°C	31°C	29.3°C	31°C
15 September	30.8°C	31°C	29.3°C	31°C

Day	2025	2024	Min	Max
16 September	30.6°C	31.2°C	29.4°C	31.2°C
17 September	30.7°C	31°C	29.5°C	31°C
18 September	30.8°C	30.9°C	29.6°C	31.2°C
19 September	30.8°C	31.1°C	29.6°C	31.1°C
20 September	30.7°C	31.1°C	29.7°C	31.2°C
21 September	31.1°C	31.1°C	29.6°C	31.3°C
22 September	31.2°C	31°C	29.5°C	31.2°C
23 September	31.1°C	31.1°C	29.5°C	31.1°C
24 September	31°C	30.9°C	29.6°C	31.2°C
25 September	31°C	30.4°C	29.7°C	31°C
26 September	31°C	30.3°C	29.5°C	31°C
27 September		30.3°C	29.5°C	30.8°C
28 September		30.2°C	29.5°C	31.1°C
29 September		30°C	29.5°C	31°C
30 September		30.4°C	29.5°C	31°C

Cayman Brac water temp chart in September

Average water temperature in Cayman Brac in September over a decade

2015	2016	2017	2018	2019
30.3°C	30.1°C	30.4°C	29.7°C	30.4°C

2020	2021	2022	2023	2024
30.2°C	29.9°C	30°C	30.9°C	30.7°C

Cayman Brac sea state in September

Chart comparing the height of waves in Cayman Brac 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.

Waves height in Cayman Brac in September

Cayman Brac water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Jardines de la Reina	30.3°C	28.7°C	31.9°C
Seven Mile Beach	30°C	28.8°C	31°C
Negril	30°C	28.8°C	31.5°C
Lucea	29.9°C	29°C	31.1°C
Santa Cruz del Sur	30.6°C	29.2°C	32.1°C
Sandy Bay	29.9°C	29°C	31°C
Montego Bay	29.9°C	29°C	31.1°C
Niquero	30.5°C	29.3°C	31.6°C
Playa Ancon	30.2°C	29°C	31.3°C
Savanna La Mar	30°C	28.7°C	31.7°C

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Our report for Cayman Brac is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature