Water temperature in Hualien in September

Is it warm enough to swim in Hualien in September? Average water temperature in Hualien in September is 28.8°C and therefore suitable for comfortable swimming. The warmest sea in Hualien in September is 30.6°C, and the coldest is 27.3°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Hualien

Changes water temperature in Hualien in September 2025, 2024

To get an accurate forecast for the water temperature in Hualien for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Hualien, 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	29.3°C	30.3°C	27.8°C	30.3°C
2 September	29.5°C	30.6°C	27.8°C	30.6°C
3 September	29.9°C	30.3°C	27.9°C	30.3°C
4 September	30°C	30.1°C	27.8°C	30.1°C
5 September	30.3°C	30°C	28°C	30.3°C
6 September		30.3°C	27.8°C	30.3°C
7 September		30.2°C	28.2°C	30.2°C
8 September		30°C	28.1°C	30°C
9 September		30.2°C	28.1°C	30.2°C
10 September		30.2°C	28.1°C	30.2°C
11 September		29.9°C	28.1°C	29.9°C
12 September		29.7°C	28.3°C	29.9°C
13 September		29.6°C	28.2°C	29.7°C
14 September		29.8°C	28.1°C	29.8°C
15 September		29.5°C	28°C	29.5°C

Day	2024	Min	Max
16 September	29.5°C	28°C	29.8°C
17 September	29.7°C	28.1°C	29.7°C
18 September	29.8°C	28.2°C	29.8°C
19 September	29.9°C	27.9°C	29.9°C
20 September	29.4°C	27.6°C	29.7°C
21 September	29.2°C	27.6°C	29.9°C
22 September	29°C	27.6°C	29.9°C
23 September	29°C	27.5°C	29.8°C
24 September	29.1°C	27.5°C	29.8°C
25 September	29.1°C	27.5°C	29.5°C
26 September	29.8°C	27.3°C	29.8°C
27 September	29.5°C	27.4°C	29.5°C
28 September	29.5°C	27.5°C	29.5°C
29 September	29.4°C	27.4°C	29.4°C
30 September	29.3°C	27.6°C	29.7°C

Average water temperature in Hualien in September over a decade

2015	2016	2017	2018	2019
28.3°C	28.4°C	29.2°C	28.7°C	28.7°C

2020	2021	2022	2023	2024
29.2°C	29.5°C	29°C	29°C	29.7°C

Hualien sea state in September

Chart comparing the height of waves in Hualien 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.

Hualien 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
Suao	28.4°C	26.7°C	30.2°C
Fulong Bathing Beach	27.6°C	25.7°C	29.8°C
Hsinchu	28.3°C	25.7°C	30.8°C
Keelung	27.6°C	25.2°C	30°C
Taichung	28.5°C	25.9°C	30.8°C
Yonakuni	29°C	27.1°C	31.1°C
Mailiao	28.6°C	25.7°C	30.7°C
Kaohsiung	29.2°C	27.8°C	30.5°C
Tainan	29°C	26.9°C	31.3°C
Orchid Island	29.1°C	27.5°C	30.8°C

Hualien photo gallery

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Our report for Hualien 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