Samoan Islands in september: average Weather, Temperature and Climate, Where to go?
Weather in Samoan Islands in september 2025
Below, find the the weather forecast for the month of september for most popular cities in Samoan Islands. These predictions are probabilities for the month of september from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Apia
good weather UV index: 7
Weather at 6am
81°F
Moderate rain at times
47% of time
30%
10%
8%
Weather at 12pm
83°F
Partly Cloudy
39% of time
36%
15%
8%
Weather at 6pm
83°F
Moderate rain at times
42% of time
34%
16%
7%
Weather at 3am
83°F
37%
37%
13%
7%
Where to go in Samoan Islands in september?
Where to go in Samoan Islands in september: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Samoan Islands in september when it comes to the weather?
Remember:
The climate in Samoan Islands in september ranges from good to tolerable depending on the region and city.
Good news: Although it is not perfect the weather in Samoan Islands that month is, according to seasonal norms, quite good in . I allows to appreciate tour in these places. And even why not take a little time to lazing in the sun!
If you do not go for the sun or the beach, but, for example for hiking, the cities of Pago Pago (American Samoa), O Le Pupu-Pue National Park, Manase, Lotofaga, Lalomanu Beach, Apia, Apolima island, Upolu island, Savai'i island, Manono island and Salelologa have a decent enough weather for that in september.
Climate in Samoan Islands in september
Climate in Apia in september
In september, maximum temperature is 83°F and minimum temperature is 81°F (for an average temperature of 83°F). The climate is nice here in september. With 5.5in over 7 days, you risk getting wet slightly throughout your stay. But this is rather reasonably and you will not be too bothered by it.
With a correct climate, september is okay (but not good month) for traveling in this city in Samoan Islands.
| September | |||
| Average temperature | 83°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 81°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 5.5in | ||
| Number of days with rainfall | 7 day(s) (25%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 47% | ||
| Length of day | 12:01 | ||
| Our opinion at whereandwhen.net | good |
Climate in Savai'i island in september
In september, the mean temperature in Savai'i island is 81°F (maximum temperature is 83°F and minimum temperature is 81°F). The climate is quite good there in this month. With 9.8in over 13 days, rain may occur during your journey. But this is rather moderate and it will not be continuous.
With proper weather, the month of september is okay (but not the best month) for traveling in that area in Samoan Islands.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 81°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 9.8in | ||
| Number of days with rainfall | 13 day(s) (43%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 45% | ||
| Length of day | 12:00 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Upolu island in september
In the month of september, the mean temperature in Upolu island is 83°F (maximum temperature is 83°F and minimum temperature is 81°F). The climate is good in this location in this month. With 5.5in over 7 days, you will experience some showers for your vacations. But this is rather reasonably and it is only of temporary showers.
With a correct weather, the month of september is okay (but not the best month) for traveling in this locality.
| September | |||
| Average temperature | 83°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 81°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 5.5in | ||
| Number of days with rainfall | 7 day(s) (25%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 47% | ||
| Length of day | 12:00 | ||
| Our opinion at whereandwhen.net | good |
Climate in Pago Pago (American Samoa) in september
In the month of september, maximum temperature is 83°F and minimum temperature is 81°F (for an average temperature of 81°F). The climate is quite enjoyable there in september. With 5in over 8 days, you will experience some showers during your holidays. But this is rather reasonably and you will not be too bothered by it.
With a correct weather, the month of september is okay (but not the best time) for traveling in this city in Samoan Islands.
| September | |||
| Average temperature | 81°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 81°F | ||
| Sea temperature | 82°F | ||
| Rainfall | 5in | ||
| Number of days with rainfall | 8 day(s) (26%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 47% | ||
| Length of day | 12:01 | ||
| Our opinion at whereandwhen.net | good |
Climate in Apolima island in september
In the month of september, maximum temperature is 83°F and minimum temperature is 81°F (for an average temperature of 83°F). The climate is nice in this location in september. With 5.5in over 7 days, you risk getting wet slightly throughout your holidays. But this is rather moderate and it is only of temporary showers.
With a correct climate, september is okay (but not the best time) for traveling in Apolima island.
| September | |||
| Average temperature | 83°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 81°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 5.5in | ||
| Number of days with rainfall | 7 day(s) (25%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 47% | ||
| Length of day | 12:01 | ||
| Our opinion at whereandwhen.net | good |
All cities in Samoan Islands in september
| Apia in september | good weather |
| Savai'i island in september | tolerable weather |
| Upolu island in september | good weather |
| Pago Pago (American Samoa) in september | good weather |
| Apolima island in september | good weather |
| Lalomanu Beach in september | good weather |
| Lotofaga in september | good weather |
| Manase in september | tolerable weather |
| Manono island in september | good weather |
| O Le Pupu-Pue National Park in september | good weather |
| Salelologa in september | good weather |
Weather data for Samoan Islands in september:
Weather data for Samoan Islands in september is derived from an average of the weather forecast since 2009 in Samoan Islands. There is a margin of error and these forecasts are to be considered as general information only. The weather in Samoan Islands can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Samoan Islands.