September weather forecast and climate
Saipan, Northern Mariana Islands, USA

Beautiful clear waters and white sandy beaches around the stunning Bird Island in Saipan, Northern Mariana Islands
Beautiful clear waters and white sandy beaches around the stunning Bird Island in Saipan, Northern Mariana Islands

What is the temperature in September in Saipan?

In September, in Saipan, Northern Mariana Islands, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 75°F (23.9°C).

How much does it rain in Saipan in September?

In Saipan, in September, during 19 rainfall days, typically 11.6" (295.9mm) of precipitation is accumulated.
Average temperature in September - Saipan, Northern Mariana Islands, USA
  • Average high temperature in September: 28.8°C

The warmest month (with the highest average high temperature) is June (29.4°C).
The month with the lowest average high temperature is February (26.5°C).

  • Average low temperature in September: 23.9°C

The month with the highest average low temperature is May (24.2°C).
The coldest month (with the lowest average low temperature) is February (22.7°C).

Average rainfall in September - Saipan, Northern Mariana Islands, USA
  • Average rainfall in September: 295.9mm

The wettest month (with the highest rainfall) is August (315.5mm).
The driest month (with the lowest rainfall) is March (61mm).

Average rainfall days in September - Saipan, Northern Mariana Islands, USA
  • Average rainfall days in September: 19 days

Months with the highest number of rainy days are January and December (23 days).
The month with the lowest number of rainy days is June (17 days).

Average sea temperature in September - Saipan, Northern Mariana Islands, USA
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are June, July, August, September, October and November (29°C).
Coldest months (with the lowest average sea temperature) are February and March (27°C).

Average daylight in September / Average sunshine in September - Saipan, Northern Mariana Islands, USA
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.2h).

  • Average sunshine in September: 5h

Months with most sunshine are March, April, May and June (Average sunshine: 7h).
Months with least sunshine are August, September, October, November and December (Average sunshine: 5).

Average UV index in September - Saipan, Northern Mariana Islands, USA
  • Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are November and December (UV index 9).

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