September
Weather in Apia for September 2025
Your guide to Apia weather in September - trends and predictions
In general, the average temperature in Apia at the beginning of September is 27 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 27 °C by the end of September.
Apia experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Apia? check out the best time to travel to Apia page.
- New! Chat with our AI weatherman - it’s amazing and free.
4
Dry days
26
Rainy days
0
Snow days
27°/26°
Temperatures
32 km/h
Avg max wind
75 %
Avg humidity
Apia in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2 27° | 3 27° | 4 27° | 5 27° | 6  27° | 7  27° |
| 8 27° | 9 27° | 10 27° | 11 27° | 12  27° | 13 27° | 14 27° |
| 15  27° | 16 27° | 17 27° | 18 27° | 19 27° | 20 28° | 21 27° |
| 22 27° | 23 27° | 24 27° | 25 27° | 26 27° | 27 27° | 28 27° |
| 29 27° | 30 27° |
You can click on date
Access Apia weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Apia
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 27° /26° | 4.1 mm | 7 | |
| 2 Sept. | Light rain shower | 27° /26° | 2.4 mm | 7 | |
| 3 Sept. | Light rain shower | 27° /26° | 4 mm | 7 | |
| 4 Sept. | Light rain shower | 27° /26° | 7.6 mm | 7 | |
| 5 Sept. | Light rain shower | 27° /26° | 8.8 mm | 7 | |
| 6 Sept. | Partly cloudy | 27° /26° | 10.4 mm | 7 | |
| 7 Sept. | Moderate or heavy rain shower | 27° /24° | 17.2 mm | 7 | |
| 8 Sept. | Moderate or heavy rain shower | 27° /25° | 18.6 mm | 7 | |
| 9 Sept. | Light rain shower | 27° /26° | 7.4 mm | 7 | |
| 10 Sept. | Light rain shower | 27° /26° | 7.1 mm | 7 | |
| 11 Sept. | Light rain shower | 27° /26° | 3.2 mm | 7 | |
| 12 Sept. | Cloudy | 27° /26° | 3.8 mm | 7 | |
| 13 Sept. | Cloudy | 27° /26° | 4.1 mm | 7 | |
| 14 Sept. | Moderate or heavy rain shower | 27° /26° | 2.5 mm | 7 | |
| 15 Sept. | Overcast | 27° /26° | 0.7 mm | 7 | |
| 16 Sept. | Light rain shower | 27° /26° | 6.4 mm | 7 | |
| 17 Sept. | Patchy rain possible | 27° /26° | 0.7 mm | 7 | |
| 18 Sept. | Light rain shower | 27° /26° | 6.7 mm | 7 | |
| 19 Sept. | Patchy rain possible | 27° /26° | 2.7 mm | 7 | |
| 20 Sept. | Partly cloudy | 28° /26° | 0.6 mm | 7 | |
| 21 Sept. | Light rain shower | 27° /26° | 16.5 mm | 7 | |
| 22 Sept. | Light rain shower | 27° /26° | 9.3 mm | 7 | |
| 23 Sept. | Light rain shower | 27° /26° | 7.6 mm | 7 | |
| 24 Sept. | Patchy rain possible | 27° /26° | 4.6 mm | 7 | |
| 25 Sept. | Patchy rain possible | 27° /26° | 12.9 mm | 7 | |
| 26 Sept. | Patchy rain possible | 27° /26° | 5.2 mm | 7 | |
| 27 Sept. | Patchy rain possible | 27° /26° | 5.9 mm | 7 | |
| 28 Sept. | Patchy rain possible | 27° /26° | 9.4 mm | 7 | |
| 29 Sept. | Light rain shower | 27° /26° | 22.4 mm | 7 | |
| 30 Sept. | Patchy rain possible | 27° /26° | 11.4 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.
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 186.6 mm is expected in Apia during September, occurring over more than 26 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 32 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Apia in September?
As you prepare for your trip to Apia in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Apia, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Apia
Explore the daily rainfall trends and prepare for Apias September weather 💧
UV exposure in Apia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
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.