Apia

Upolu Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Upolu, Samoa in September.

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Apia Lalomanu Mulifanua

Planning a getaway to Upolu, Samoa this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Upolu in September

Upolu, Samoa is a region in Samoa. September in Upolu generally has warm temperatures, with precipitation levels ranging from high to heavy.

Temperatures

You can expect warm maximum daytime temperatures of around 28°C (82°F) and nighttime temperatures around 25°C (77°F) in Apia.

To learn more about the conditions in specific areas of Upolu, Samoa, check out the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Mulifanua with an average of 138 mm (5.4 in) to heavy rainfall in Lalomanu with 192 mm (7.6 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Apia sees close to 209 hours of sunlight, making it great for sun lovers.

Explore Upolu by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Upolu in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Upolu.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Upolu

What is the weather like in September for some of the most popular destinations in Upolu, Samoa?

Temperature range in Upolu (September)

Precipitation variation in Upolu (September)

Apia

In September Apia generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
221 hours
209 hours
198 hours
Monthly rainfall
139 mm (5.5 in)
185 mm (7.3 in)
244 mm (9.6 in)
Monthly rainy days
18 days
15 days
14 days
Weather conditions
pleasant
tolerable
unpleasant
Climate in Apia →

Lalomanu

In September Lalomanu generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
221 hours
209 hours
198 hours
Monthly rainfall
149 mm (5.9 in)
192 mm (7.6 in)
248 mm (9.8 in)
Monthly rainy days
18 days
15 days
14 days
Weather conditions
pleasant
tolerable
unpleasant
Climate in Lalomanu →

Mulifanua

In September Mulifanua generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
221 hours
209 hours
198 hours
Monthly rainfall
105 mm (4.1 in)
138 mm (5.4 in)
192 mm (7.6 in)
Monthly rainy days
18 days
15 days
14 days
Weather conditions
pleasant
pleasant
tolerable
Climate in Mulifanua →

Is your destination not in the list? Have a look at all destinations in Upolu, in Samoa.

Popular cities in September

Day & night temperatures, rainfall and average weather in Upolu in September.

City Weather Day temp Night temp Rainfall
Apia 28°C (82°F) 25°C (77°F) 185 mm (7.3 in)
Lalomanu 28°C (82°F) 25°C (77°F) 192 mm (7.6 in)
Mulifanua 29°C (84°F) 25°C (77°F) 138 mm (5.4 in)

Upolu weather in September: frequently asked questions

What is the weather like in Upolu, Samoa in September?

Upolu, Samoa typically experiences tolerable weather in September, part of the season. Daytime highs in Apia average around 28°C (82°F), and temperatures drop to about 25°C (77°F) at night.

What is the average temperature in Upolu, Samoa in September?

Daytime temperatures in Apia peak at roughly 28°C (82°F) in September, dropping to about 25°C (77°F) overnight.

Does Upolu, Samoa get a lot of rain in September?

Rainfall in Upolu, Samoa peaks during September. Apia averages roughly 185 mm (7.3 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit Upolu, Samoa?

In our opinion, September is a good time to visit Upolu, Samoa with overall tolerable weather in Apia. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, June, July and August provide pleasant weather in Apia. On the other hand, the weather in January, February, March, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Upolu.

Weather and climate has detailed information for every country in the world. Are you going to Samoa? Get detailed historical weather averages for many cities in Samoa.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.