World Resorts Northern Mariana Islands Saipan Weather

Saipan Sea Temperature in September

Average sea water temperature in September:
+85.4°F
Minimum sea water temperature in September: 87.3°F
Maximum sea water temperature in September: 83.1°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 85.2°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.2°F.

Monthly sea water temperature in Saipan, °F

Which Northern Mariana Islands resorts have warmest sea in September?

Place name September 2025 September 2024
Rota 85.6°F 86.1°F
Saipan 85.2°F 85.8°F
Susupe 85.2°F 85.8°F
Tinian 85.2°F 85.9°F
Guam 85.0°F 85.9°F

Best time for vacation in Saipan

Sunniest months:
July 5 days
September 4 days
August 4 days
Warmest months:
August 86.9 °F
July 86.8 °F
June 86.6 °F
Warmest sea temp:
August 85.5 °F
September 85.4 °F
July 85.4 °F
Coldest months:
February 82.0 °F
March 82.8 °F
January 82.8 °F
Rainiest months:
October 14 days
August 13 days
September 13 days
Windiest months:
December 19.3 mph
February 19.1 mph
January 18.3 mph

Saipan on a weather map

Current weather
11:10
Saipan
+75°F
NW 23 mph
Feels like: +77°F
Precip.: 18%
Places in Northern Mariana Islands:
Name
°F
Guam
+75°F
Rota
+81°F
Saipan
+75°F
Susupe
+75°F
Tinian
+75°F
24 Hours Forecast
Saipan
Local time: 11:10
August 17, monday
1200
75°F
NW
23 mph
1500
73°F
NW
22 mph
1800
73°F
NW
23 mph
2100
73°F
NW
24 mph
August 18, tuesday
0000
73°F
NW
26 mph
0300
73°F
NW
26 mph
0600
73°F
NW
25 mph
0900
73°F
NW
24 mph
Units of measurement: °C / °F