Upolu weather in September 2025
September
Upolu weather in September 2025
September
Day
24 °C
Night
20 °C
Sea
28 °C
Precipitation
194 mm
in month
Rainy days
5 days
in month
Daylight
12 hours
average
Day
24 °C
Night
20 °C
Sea
28 °C
Precipitation
194 mm
in month
Rainy days
5 days
in month
Daylight
12 hours
average
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Weather overview for Upolu
Weather overview
In Upolu in September, the average air temperature ranges from 24 °C (76 °F) during the day to 20 °C (67 °F) at night. There are 5 days of rain on average, where the rainfall is 194 mm (7.63 in).
Are there good conditions to visit in Upolu in September?
September is one of the best months to visit Upolu. The temperature during the day will be nice 24 °C (76 °F). The temperature of the sea will be perfect at 28 °C (82 °F). At night, temperatures hover around a pleasant 20 °C (67 °F). You can expect just 5 days of rain during the month, taking an umbrella is not necessary.
What is the temperature in Upolu during the day in September?
The average daily temperature in September in Upolu is 24 °C (76 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
What is the sea temperature in Upolu in September?
In September in Upolu expect the sea to be warm at 28 °C (82 °F). Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.
How many rainy days can I expect in September in Upolu?
In September in Upolu, we can expect 5 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.1 days of the week, or in general - 16 % days.
How long is the day (from dawn till dusk) in Upolu in September?
The length of daylight in Upolu in September is 12 hours.
What is the night temperature in September in Upolu?
The average night temperature in September in Upolu is 20 °C (67 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.
Is there a dry season in September in Upolu?
Yes, there is a dry season in September in Upolu with just 5 days during the month being rainy.
How windy is Upolu in September?
An average wind scale that can be expected in September in Upolu is 5.
Is the weather in Upolu warmer in September than in August?
Yes, September in Upolu is warmer than August by 1 °C (33 °F).
Is Upolu rainier in September than in October?
No, September in Upolu is not a rainier month than October.
Is the temperature rising or falling in the course of time in Upolu in September?
Over the course of September in Upolu, the temperatures are rising from 24 °C (75 °F) at the beginning of the month to 25 °C (76 °F) at the end of the month.
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