Northern Mariana Islands in September

Wet and stormy; Chuseok surge some years.

September is rated mixed. These months rate higher:

• JanuaryGreatDry trade-wind weather and calm west-coast water.
• FebruaryGreatDry; Lunar New Year brings Korean crowds.
• MarchGreatAmong the driest months; good diving visibility.
• AprilGreatDry and warm; festivals start; Golden Week at month's end.

• Saipan, Tinian and Rota · The three inhabited southern islandsstorm or typhoon risk

  Warm and humid all year (25–31 °C (77–88 °F)). Trade winds and dry weather roughly December–June; rains and typhoons mostly July–November. Yutu (October 2018) was among the strongest storms ever to hit US soil.Warm and humid all year (77–88 °F (25–31 °C)). Trade winds and dry weather roughly December–June; rains and typhoons mostly July–November. Yutu (October 2018) was among the strongest storms ever to hit US soil.

• Garapan (Saipan)31 °C (88 °F) / 26 °C (79 °F), 21 rain days88 °F (31 °C) / 79 °F (26 °C), 21 rain days
• Rota31 °C (88 °F) / 25 °C (77 °F), 22 rain days88 °F (31 °C) / 77 °F (25 °C), 22 rain days
• Tinian32 °C (90 °F) / 26 °C (79 °F), 12 rain days90 °F (32 °C) / 79 °F (26 °C), 12 rain days

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Chuseok (Korea)

  Sep–Oct (lunar)

  Korean visitor surge.

• Village fiestas

  Weekends

  Patron-saint celebrations with open-house food.

• Typhoon window

  Roughly July to November · Garapan (Saipan)

  Flights and boats can stop.

• Typhoon season

  Jul–Nov · Garapan (Saipan)

  Flights and boats can stop.

Crowds · Northern Mariana Islands

Low

Prices · Northern Mariana Islands

Low

Weather, crowds and prices for any two months in Northern Mariana Islands, side by side.

• A rain jacket or umbrella and shoes that dry fast
• A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Better another month

• Saipan, Tinian and Rota

  Warm and humid all year (25–31 °C (77–88 °F)). Trade winds and dry weather roughly December–June; rains and typhoons mostly July–November. Yutu (October 2018) was among the strongest storms ever to hit US soil.Warm and humid all year (77–88 °F (25–31 °C)). Trade winds and dry weather roughly December–June; rains and typhoons mostly July–November. Yutu (October 2018) was among the strongest storms ever to hit US soil.