21.09
mon
mon
Day

81°F
W 9 mph
Precip.
24%
24%
Night

79°F
NW 16 mph
Precip.
63%
63%
22.09
tue
tue
Day

81°F
NW 16 mph
Precip.
38%
38%
Night

79°F
W 17 mph
Precip.
55%
55%
23.09
wed
wed
Day

79°F
W 20 mph
Precip.
36%
36%
Night

81°F
NW 19 mph
Precip.
33%
33%
24.09
thu
thu
Day

81°F
W 19 mph
Precip.
24%
24%
Night

81°F
W 19 mph
Precip.
27%
27%
25.09
fri
fri
Day

81°F
W 15 mph
Precip.
64%
64%
Night

81°F
W 12 mph
Precip.
22%
22%
26.09
sat
sat
Day

81°F
NW 7 mph
Precip.
52%
52%
Night

81°F
NW 16 mph
Precip.
34%
34%
27.09
sun
sun
Day

79°F
NW 22 mph
Precip.
29%
29%
Night

79°F
NW 26 mph
Precip.
26%
26%
28.09
mon
mon
Day

79°F
NW 25 mph
Precip.
24%
24%
Night

79°F
NW 25 mph
Precip.
42%
42%
29.09
tue
tue
Day

79°F
W 22 mph
Precip.
39%
39%
Night

79°F
NW 25 mph
Precip.
39%
39%
30.09
wed
wed
Day

79°F
NW 29 mph
Precip.
22%
22%
Night

77°F
NW 27 mph
Precip.
30%
30%
01.10
thu
thu
Day

79°F
NW 22 mph
Precip.
11%
11%
Night

79°F
NW 22 mph
Precip.
28%
28%
02.10
fri
fri
Day

79°F
NW 19 mph
Precip.
26%
26%
Night

79°F
NW 22 mph
Precip.
25%
25%
03.10
sat
sat
Day

79°F
W 21 mph
Precip.
25%
25%
Night

79°F
NW 19 mph
Precip.
17%
17%
04.10
sun
sun
Day

81°F
NW 18 mph
Precip.
15%
15%
Night

81°F
NW 21 mph
Precip.
19%
19%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 81.6°F. The highest and lowest sea temperatures during the month were 82.2°F and 81.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 83.3°F. The highest and lowest sea temperatures during the month were 83.8°F and 82.9°F.
Air temperature in Apia, °F
Precipitation total in Apia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Apia
Apia on a weather map
24 Hours Forecast
Apia
Local time: 05:19
September 21, monday
0600

81°F
NW
11 mph
11 mph
0900

81°F
W
11 mph
11 mph
1200

81°F
W
9 mph
9 mph
1500

81°F
NW
7 mph
7 mph
1800

81°F
NW
9 mph
9 mph
2100

81°F
NW
14 mph
14 mph
September 22, tuesday
0000

79°F
NW
16 mph
16 mph
0300

79°F
NW
19 mph
19 mph

























