World Resorts Northern Mariana Islands Tinian Weather

Tinian 7 Days Forecast

10.09
thu
Day
82°F
W 11 mph
Precip.
19%
Night
82°F
W 9 mph
Precip.
37%
11.09
fri
Day
82°F
W 11 mph
Precip.
39%
Night
82°F
NW 6 mph
Precip.
21%
12.09
sat
Day
82°F
W 7 mph
Precip.
19%
Night
82°F
W 9 mph
Precip.
50%
13.09
sun
Day
82°F
NW 9 mph
Precip.
8%
Night
82°F
NW 5 mph
Precip.
22%
14.09
mon
Day
82°F
SW 6 mph
Precip.
14%
Night
82°F
SW 9 mph
Precip.
21%
15.09
tue
Day
82°F
NE 2 mph
Precip.
18%
Night
82°F
SE 4 mph
Precip.
15%
16.09
wed
Day
84°F
SE 11 mph
Precip.
30%
Night
82°F
E 16 mph
Precip.
52%

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 85.6°F and 84.2°F.

Air temperature in Tinian, °F

Precipitation total in Tinian, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Tinian

Sunniest months:
July 5 days
September 4 days
August 4 days
Warmest months:
July 86.8 °F
August 86.7 °F
June 86.6 °F
Warmest sea temp:
August 85.5 °F
September 85.4 °F
July 85.3 °F
Coldest months:
February 82.0 °F
March 82.8 °F
January 82.9 °F
Rainiest months:
October 14 days
August 13 days
September 13 days
Windiest months:
December 19.4 mph
February 19.1 mph
January 18.3 mph

Tinian on a weather map

Current weather
15:58
Tinian
+84°F
W 9 mph
Feels like: +93°F
Precip.: 53%
Places in Northern Mariana Islands:
Name
°F
Guam
+86°F
Rota
+81°F
Saipan
+84°F
Susupe
+84°F
Tinian
+84°F
24 Hours Forecast
Tinian
Local time: 15:58
September 10, thursday
1800
84°F
W
7 mph
2100
82°F
SW
8 mph
September 11, friday
0000
82°F
W
9 mph
0300
82°F
SW
10 mph
0600
82°F
SW
12 mph
0900
82°F
SW
12 mph
1200
82°F
W
11 mph
1500
84°F
W
9 mph
Units of measurement: °C / °F