Northern Mariana Islands (San Jose Village)
September
Weather in Northern Mariana Islands for September 2027
Your guide to Northern Mariana Islands weather in September - trends and predictions
In general, the average temperature in Northern Mariana Islands at the beginning of September is 28.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 29 °C by the end of September.
Northern Mariana Islands experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 349.3 mm.
Is September a good time to visit Northern Mariana Islands? check out the best time to travel to Northern Mariana Islands page.
Temperatures
Rain 🌧️
More
2
Dry days
28
Rainy days
0
Snow days
29°/27°
Temperatures
24 km/h
Avg max wind
77 %
Avg humidity
Northern Mariana Islands Weather September
Move between months or click on a day
What’s the Weather Like in Northern Mariana Islands This September?
Discover the average temperatures and weather trends across Northern Mariana Islands’s cities this September.
Temperatures trend during September in Northern Mariana Islands
See the weather trend as well as the moving average line
September weather in Northern Mariana Islands day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain | 29° /27° | 19.3 mm | 5 | |
| 2 Sept. | Moderate rain | 29° /27° | 19.1 mm | 5 | |
| 3 Sept. |  Moderate or heavy rain shower | 29° /27° | 7.2 mm | 5 | |
| 4 Sept. |  Light rain | 29° /28° | 4.9 mm | 5 | |
| 5 Sept. |  Patchy light rain with thunder | 29° /28° | 7.4 mm | 5 | |
| 6 Sept. | Patchy light rain with thunder | 29° /28° | 12.8 mm | 5 | |
| 7 Sept. | Light rain | 29° /28° | 4.9 mm | 5 | |
| 8 Sept. | Light rain | 29° /28° | 7.8 mm | 6 | |
| 9 Sept. | Moderate rain | 29° /28° | 10.6 mm | 6 | |
| 10 Sept. | Moderate rain | 29° /27° | 16.5 mm | 5 | |
| 11 Sept. |  Heavy rain | 29° /27° | 33.3 mm | 5 | |
| 12 Sept. | Heavy rain | 29° /27° | 38.2 mm | 6 | |
| 13 Sept. | Moderate rain | 29° /27° | 16.3 mm | 6 | |
| 14 Sept. | Moderate rain | 29° /27° | 11.3 mm | 5 | |
| 15 Sept. | Moderate rain | 29° /27° | 15.7 mm | 5 | |
| 16 Sept. | Heavy rain | 29° /27° | 28.1 mm | 5 | |
| 17 Sept. |  Thundery outbreaks possible | 29° /27° | 15.8 mm | 5 | |
| 18 Sept. | Light rain | 29° /28° | 5.9 mm | 5 | |
| 19 Sept. | Light rain | 29° /27° | 4.2 mm | 5 | |
| 20 Sept. | Light rain | 29° /28° | 6.4 mm | 5 | |
| 21 Sept. | Light rain | 29° /28° | 3.4 mm | 5 | |
| 22 Sept. | Light rain | 29° /27° | 6.8 mm | 5 | |
| 23 Sept. | Light rain | 29° /28° | 4 mm | 6 | |
| 24 Sept. | Light rain | 29° /28° | 4.4 mm | 7 | |
| 25 Sept. | Patchy light rain with thunder | 29° /28° | 4.5 mm | 6 | |
| 26 Sept. | Light rain | 29° /28° | 3.6 mm | 6 | |
| 27 Sept. | Light rain | 29° /28° | 9.7 mm | 6 | |
| 28 Sept. | Moderate rain | 29° /28° | 12.3 mm | 6 | |
| 29 Sept. | Light rain | 29° /27° | 7.6 mm | 6 | |
| 30 Sept. | Thundery outbreaks possible | 29° /28° | 7.6 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Northern Mariana Islands 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 Northern Mariana Islands forecast closer to your planned date for the most up-to-date weather information.
Change Month
Northern Mariana Islands in September - FAQ
What are the expected maximum and minimum temperatures in Northern Mariana Islands during September?
During September, expect a variety of temperatures with highs around 29° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in Northern Mariana Islands during September?
Significant rainfall exceeding 349.3 mm is expected in Northern Mariana Islands during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Northern Mariana Islands during September?
The average wind speed in Northern Mariana Islands during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Northern Mariana Islands
Explore the daily rainfall trends and prepare for Northern Mariana Islandss September weather 💧
Typically, Northern Mariana Islands has 28 rainy days in September with a total of 349.3 mm of rainfall.
UV exposure in Northern Mariana Islands during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Regions in Northern Mariana Islands
Choose a region for an accurate weather forecasts
Top locations in Northern Mariana Islands
Select a location for an accurate weather forecast
More Locations Quick links
More Northern Mariana Islands weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.