September
Weather in Apia for September 2026
Your guide to Apia weather in September - trends and predictions
Until now, September 2026 in Apia has been nearly identical to the historical average, with a temperature of 27.4 °C (showing only a slight deviation of 0.1 °C).
Expect cooler weather in the next days in Apia with the forecast suggesting a temperature of 26.1 °C, lower than the historical average.
In general, the average temperature in Apia at the beginning of September is 27 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.9 °C by the end of September.
Apia experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 210.4 mm.
Temperatures
Rain 🌧️
6
Dry days
24
Rainy days
0
Snow days
27°/26°
Temperatures
30 km/h
Avg max wind
76 %
Avg humidity
Apia Weather September
Move between months or click on a day
Temperatures trend during September in Apia
See the weather trend as well as the moving average line
September weather in Apia day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 27° /26° | 5.6 mm | 6 | |
| 2 Sept. | Light rain shower | 27° /26° | 7 mm | 6 | |
| 3 Sept. | Light rain shower | 27° /26° | 6.8 mm | 6 | |
| 4 Sept. | Light rain shower | 27° /26° | 7 mm | 7 | |
| 5 Sept. | Patchy rain possible | 27° /26° | 5.6 mm | 6 | |
| 6 Sept. | Light rain shower | 27° /26° | 6 mm | 7 | |
| 7 Sept. | Light rain shower | 27° /25° | 9.6 mm | 7 | |
| 8 Sept. |  Moderate or heavy rain shower | 27° /25° | 11.7 mm | 6 | |
| 9 Sept. | Light rain shower | 28° /25° | 4.9 mm | 6 | |
| 10 Sept. | Light rain shower | 28° /25° | 8.7 mm | 6 | |
| 11 Sept. | Light rain shower | 28° /26° | 4.1 mm | 7 | |
| 12 Sept. | Light rain shower | 28° /25° | 3.5 mm | 6 | |
| 13 Sept. | Patchy rain possible | 27° /25° | 2.9 mm | 6 | |
| 14 Sept. | Moderate or heavy rain shower | 27° /26° | 1.7 mm | 7 | |
| 15 Sept. | Patchy rain possible | 26° /26° | 13.4 mm | 9 | |
| 16 Sept. | Patchy rain possible | 27° /26° | 3.4 mm | 12.7 | |
| 17 Sept. | Light rain shower | 27° /22° | 11.6 mm | 12.9 | |
| 18 Sept. | Patchy rain possible | 27° /23° | 4.9 mm | 8 | |
| 19 Sept. |  Sunny | 27° /26° | 1.5 mm | 8 | |
| 20 Sept. |  Overcast | 27° /26° | 0 mm | 8 | |
| 21 Sept. | Overcast | 27° /26° | 0.9 mm | 8 | |
| 22 Sept. | Light rain shower | 26° /25° | 29.1 mm | 7 | |
| 23 Sept. | Light rain shower | 25° /24° | 63 mm | 6 | |
| 24 Sept. | Patchy rain possible | 25° /25° | 10.4 mm | 7 | |
| 25 Sept. | Light rain shower | 26° /25° | 10.9 mm | 7 | |
| 26 Sept. | Moderate or heavy rain shower | 25° /23° | 76.3 mm | 6 | |
| 27 Sept. | Light rain shower | 25° /24° | 7 mm | 6 | |
| 28 Sept. | Patchy rain possible | 26° /25° | 2.2 mm | 7 | |
| 29 Sept. | Light rain shower | 27° /25° | 15.1 mm | 7 | |
| 30 Sept. | Light rain shower | 27° /26° | 9.8 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Apia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Apia forecast closer to your planned date for the most up-to-date weather information.
Change Month
Apia in September - FAQ
What are the expected maximum and minimum temperatures in Apia during September?
During September, expect a variety of temperatures with highs around 27° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Apia during September?
Significant rainfall exceeding 210.4 mm is expected in Apia during September, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Apia during September?
The average wind speed in Apia during September is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Apia
Explore the daily rainfall trends and prepare for Apias September weather 💧
Typically, Apia has 24 rainy days in September with a total of 210.4 mm of rainfall.
UV exposure in Apia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Apia weather pages
You are here
Where is Apia?Get accurate weather forecasts for Apia, located at latitude -13.833 and longitude -171.767. Stay updated with localized weather information tailored for Apia.
Found a mistake?
We appreciate your attention to details. Tell us here.