Saipan
September
Weather in Saipan for September 2025
Your guide to Saipan weather in September - trends and predictions
In general, the average temperature in Saipan at the beginning of September is 29 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 29 °C by the end of September.
Saipan experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 478.8 mm.
Is September a good time to visit Saipan? check out the best time to travel to Saipan page.
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Temperatures
Rain 🌧️
More
0
Dry days
30
Rainy days
0
Snow days
29°/28°
Temperatures
27 km/h
Avg max wind
78 %
Avg humidity
Saipan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 29° | 3 29° | 4  29° | 5  29° | 6 29° | 7 29° |
| 8 29° | 9 29° | 10 29° | 11  29° | 12 29° | 13  28° | 14 29° |
| 15  28° | 16 29° | 17  29° | 18  29° | 19 29° | 20 29° | 21 29° |
| 22 29° | 23 29° | 24 29° | 25 29° | 26 29° | 27 29° | 28 29° |
| 29 29° | 30 29° |
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Temperatures trend during September in Saipan
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. | Moderate or heavy rain shower | 29° /27° | 33.7 mm | 6 | |
| 2 Sept. | Moderate or heavy rain shower | 29° /28° | 17.2 mm | 6 | |
| 3 Sept. | Moderate or heavy rain shower | 29° /27° | 11.8 mm | 6 | |
| 4 Sept. | Patchy rain possible | 29° /28° | 3.1 mm | 6 | |
| 5 Sept. | Patchy light rain with thunder | 29° /27° | 11.9 mm | 6 | |
| 6 Sept. | Patchy light rain with thunder | 29° /28° | 17.6 mm | 6 | |
| 7 Sept. | Patchy rain possible | 29° /28° | 4.2 mm | 6 | |
| 8 Sept. | Light rain shower | 29° /28° | 7.6 mm | 6 | |
| 9 Sept. | Light rain shower | 29° /28° | 13.8 mm | 6 | |
| 10 Sept. | Moderate or heavy rain shower | 29° /26° | 25.8 mm | 6 | |
| 11 Sept. | Torrential rain shower | 29° /26° | 64.8 mm | 6 | |
| 12 Sept. | Moderate or heavy rain shower | 29° /27° | 71 mm | 6 | |
| 13 Sept. | Cloudy | 28° /26° | 26.9 mm | 6 | |
| 14 Sept. | Cloudy | 29° /27° | 14.3 mm | 6 | |
| 15 Sept. | Partly cloudy | 28° /27° | 16.1 mm | 7 | |
| 16 Sept. | Patchy rain possible | 29° /27° | 40.6 mm | 6 | |
| 17 Sept. | Thundery outbreaks possible | 29° /27° | 18 mm | 6 | |
| 18 Sept. | Patchy light rain | 29° /28° | 9.3 mm | 6 | |
| 19 Sept. | Light rain shower | 29° /28° | 2.4 mm | 6 | |
| 20 Sept. | Light rain shower | 29° /28° | 3.9 mm | 6 | |
| 21 Sept. | Patchy rain possible | 29° /28° | 3.5 mm | 6 | |
| 22 Sept. | Patchy light drizzle | 29° /28° | 5 mm | 6 | |
| 23 Sept. | Patchy rain possible | 29° /28° | 3.3 mm | 6 | |
| 24 Sept. | Patchy light rain with thunder | 29° /28° | 4.9 mm | 6 | |
| 25 Sept. | Patchy light rain with thunder | 29° /28° | 3 mm | 6 | |
| 26 Sept. | Light rain shower | 29° /28° | 5.4 mm | 6 | |
| 27 Sept. | Light rain shower | 29° /27° | 12.2 mm | 6 | |
| 28 Sept. | Moderate or heavy rain shower | 29° /27° | 12.4 mm | 6 | |
| 29 Sept. | Light rain shower | 29° /27° | 8.6 mm | 6 | |
| 30 Sept. | Thundery outbreaks possible | 29° /28° | 6.6 mm | 6 | |
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Important Notice
Our weather forecast for Saipan 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 Saipan forecast closer to your planned date for the most up-to-date weather information.
Saipan in September - FAQ
What are the expected maximum and minimum temperatures in Saipan during September?
During September, expect a variety of temperatures with highs around 29° and lows near 28°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saipan during September?
Significant rainfall exceeding 478.8 mm is expected in Saipan during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saipan during September?
The average wind speed in Saipan during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Saipan in September?
As you prepare for your trip to Saipan 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 Saipan, 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
- Sandals/Flip-flops: Comfortable for warm climates
- 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 Saipan
Explore the daily rainfall trends and prepare for Saipans September weather 💧
UV exposure in Saipan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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