Water temperature in Montanita in September

Is it warm enough to swim in Montanita in September? Average water temperature in Montanita in September is 22.7°C and therefore suitable for comfortable swimming. The warmest sea in Montanita in September is 25.7°C, and the coldest is 20.6°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Montanita

Changes water temperature in Montanita in September 2025, 2024

To get an accurate forecast for the water temperature in Montanita for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Montanita, 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	22.8°C	22.8°C	21.4°C	25.4°C
2 September	22.7°C	22.9°C	22°C	24.8°C
3 September	22.7°C	22.8°C	21.9°C	24.5°C
4 September	22.7°C	22.7°C	21.8°C	24.3°C
5 September	22.7°C	22.6°C	21.7°C	24.1°C
6 September	22.6°C	22.8°C	21.7°C	24.4°C
7 September	23.8°C	22.7°C	21.5°C	24.2°C
8 September	23.6°C	23°C	21.3°C	24.4°C
9 September	23.4°C	22.9°C	21.3°C	25.1°C
10 September	23.3°C	22.8°C	21.1°C	25.4°C
11 September	23.2°C	22.8°C	21.1°C	25.2°C
12 September	23.4°C	22.8°C	21°C	25°C
13 September	23.2°C	23.5°C	20.7°C	24.7°C
14 September	23.1°C	23.4°C	20.7°C	24.6°C
15 September	23.2°C	23.4°C	20.9°C	24.6°C

Day	2025	2024	Min	Max
16 September	23.4°C	23.4°C	21.2°C	24.8°C
17 September	23.5°C	23.4°C	21.5°C	24.7°C
18 September	23.6°C	23.9°C	21.9°C	24.6°C
19 September	23.5°C	23.8°C	22°C	24.6°C
20 September	23.5°C	23.6°C	21.9°C	24.4°C
21 September	23.4°C	23.3°C	21.4°C	24.3°C
22 September	23.1°C	23.1°C	20.8°C	24.1°C
23 September	22.9°C	22.8°C	20.6°C	23.9°C
24 September	22.9°C	22.5°C	20.6°C	25.7°C
25 September	23.7°C	22.3°C	20.6°C	25.1°C
26 September		22.1°C	20.6°C	25.1°C
27 September		22°C	20.6°C	24.7°C
28 September		22.3°C	20.7°C	25°C
29 September		22.7°C	20.6°C	24.9°C
30 September		22.9°C	21.1°C	24.6°C

Average water temperature in Montanita in September over a decade

2015	2016	2017	2018	2019
24°C	23.2°C	23.1°C	22.8°C	22°C

2020	2021	2022	2023	2024
22.5°C	22.7°C	22.3°C	24.6°C	22.9°C

Montanita sea state in September

Chart comparing the height of waves in Montanita 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.

Montanita 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
Olon	22.7°C	20.6°C	25.6°C
Valdivia	22.7°C	20.5°C	26.2°C
Ayangue	22.6°C	20.5°C	26.9°C
Ayampe	22.9°C	20.7°C	25.7°C
Monteverde	22.6°C	20.4°C	27.1°C
Puerto Rico	23°C	20.8°C	25.7°C
San Pablo	22.6°C	20.3°C	27.2°C
Salango	23.1°C	20.8°C	25.6°C
Punta Blanca	22.6°C	20.2°C	26.7°C
Punta Centinela	22.6°C	20.2°C	26.7°C

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Our report for Montanita 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