September weather forecast
Saipan, Northern Mariana Islands, USA

September features substantial yet decreasing rainfall in Saipan with the precipitation level at 11.7" (297mm). Comparing temperatures, lows dip slightly to 75°F (23.9°C), while the maximum soars to a stable 83.7°F (28.7°C). The UV index marches confidently at a value of 12, just as in the previous months. October, however, promises a relief from the monsoonal rains headed Saipan's direction.

Temperature

Saipan's September showcases an average high-temperature of a still moderately hot 83.8°F (28.8°C), hardly distinct from August's 84°F (28.9°C). Nighttime temperatures hover around an average low of 75°F (23.9°C) in September, a slight descent from daytime highs.

Rainfall

In September, the rain falls for 19 days. Throughout September, 11.65" (296mm) of precipitation is accumulated. Throughout the year, there are 244 rainfall days, and 83.39" (2118mm) of precipitation is accumulated.

Ocean temperature

June through November, with an average ocean temperature of 84.2°F (29°C), are months with the warmest seawater.
Note: For water activities like swimming, diving, and more, temperatures ranging between 77°F (25°C) and 84.2°F (29°C) offer superior comfort and enjoyment for lengthy durations.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 6:04 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 6:07 pm ChST.

Sunshine

August through December, with an average of 5h of sunshine, are months with the least sunshine.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 12 during September translates into the following recommendations:
Carry out all crucial safety measures, unprotected skin may burn instantly. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Directly after swimming or an outdoor workout, generously apply and reapply a broad-spectrum SPF 30+ sunscreen. Note! Reflective surfaces like sand and water heighten the UV radiation levels.