Mata Utu Sea Temperature in September

Average sea temperature for Mata Utu, Wallis and Futuna across September, based on 10 years of daily readings.

Average

28.54° C

High

29.32° C

Low

27.77° C

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

September is the 11th warmest of 12 months at Mata Utu. On average the water sits 0.7° than the year-round mean of 29.26° C.

Compared to August, September is 0.1° about the same as (28.46° C in August). By October the water is usually 28.89° C.

Mata Utu Day-by-Day Water Temperature in September

10-year low, average and high

27.0° C

27.8° C

28.5° C

29.3° C

30.0° C

1

5

10

15

20

25

30

Day-by-day low and high band with the 10-year daily average through September. Range Average

Each vertical bar above is one day of September. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Mata Utu.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

September Water Temperature Table for Mata Utu

10-year daily averages

Day	Average	Low	High
September 1	28.42° C	27.91° C	28.79° C
September 2	28.46° C	27.94° C	28.81° C
September 3	28.4° C	27.96° C	28.89° C
September 4	28.43° C	28.01° C	28.88° C
September 5	28.44° C	28.01° C	28.92° C
September 6	28.49° C	28.04° C	28.86° C
September 7	28.47° C	28.01° C	28.85° C
September 8	28.51° C	27.98° C	29.04° C
September 9	28.55° C	28.02° C	29.02° C
September 10	28.56° C	27.95° C	28.98° C
September 11	28.54° C	27.89° C	29.1° C
September 12	28.56° C	27.85° C	28.9° C
September 13	28.6° C	27.87° C	29.2° C
September 14	28.54° C	27.89° C	28.99° C
September 15	28.52° C	27.97° C	28.97° C
September 16	28.55° C	28.15° C	29.04° C
September 17	28.56° C	28.24° C	29.02° C
September 18	28.57° C	28.18° C	28.82° C
September 19	28.57° C	28.06° C	28.98° C
September 20	28.51° C	27.77° C	29° C
September 21	28.57° C	27.86° C	29.1° C
September 22	28.56° C	28.07° C	29.12° C
September 23	28.5° C	28.09° C	28.86° C
September 24	28.54° C	28.12° C	28.94° C
September 25	28.64° C	28.23° C	29.1° C
September 26	28.64° C	28.2° C	29.28° C
September 27	28.62° C	28.07° C	29.32° C
September 28	28.62° C	28° C	29.14° C
September 29	28.65° C	28.02° C	29.25° C
September 30	28.64° C	28.1° C	29.27° C

Where September Sits in the Year

September highlighted

26.5° C

28.0° C

29.5° C

31.0° C

32.5° C

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

29.6° C

29.58° C

29.75° C

29.87° C

29.64° C

29.12° C

28.7° C

28.46° C

28.54° C

28.89° C

29.36° C

29.61° C

10-year monthly history for Mata Utu. Bars span historical low to high; the line marks the monthly average. Range Average

January → February → March → April → May → June → July → August → September → October → November → December →

Mata Utu Location

-13.2825, -176.1764

Open this location on OpenStreetMap →

-13.28251, -176.17645 View on OpenStreetMap →

Mata Utu sits at -13.2825°N, 176.1764°W, on the coast of Wallis and Futuna. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.