September
Weather in Samoa for September 2025
Your guide to Samoa weather in September - trends and predictions
In general, the average temperature in Samoa 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.
Samoa experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Samoa? check out the best time to travel to Samoa page.
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4
Dry days
26
Rainy days
0
Snow days
27°/26°
Temperatures
32 km/h
Avg max wind
75 %
Avg humidity
Samoa in September average weather
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| 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° |
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Temperatures trend during September in Samoa
See the weather trend as well as the moving average line
September weather day by day
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| 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 | |
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Important Notice
Our weather forecast for Samoa 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 Samoa forecast closer to your planned date for the most up-to-date weather information.
Samoa in September - FAQ
What are the expected maximum and minimum temperatures in Samoa 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 Samoa during September?
Significant rainfall exceeding 186.6 mm is expected in Samoa during September, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Samoa during September?
The average wind speed in Samoa during September is 32 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Samoa in September?
As you prepare for your trip to Samoa 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 Samoa, 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 Samoa
Explore the daily rainfall trends and prepare for Samoas September weather 💧
UV exposure in Samoa during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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