Measurements:
°C
°F
CURRENT WEATHER
06:53
Tinian
88°F
SW 12 mph
Feels like: 98°F
Precip: 19%
World Resorts Northern Mariana Islands Tinian Weather

7 Day Weather Forecast

09.09
wed
DAY
86°F
SW 12 mph
precip
70%
NIGHT
88°F
W 14 mph
precip
81%
09.10
thu
DAY
86°F
W 8 mph
precip
20%
NIGHT
86°F
S 6 mph
precip
18%
09.11
fri
DAY
86°F
SW 11 mph
precip
66%
NIGHT
86°F
S 6 mph
precip
21%
09.12
sat
DAY
86°F
NW 9 mph
precip
11%
NIGHT
86°F
W 8 mph
precip
21%
09.13
sun
DAY
86°F
NW 9 mph
precip
7%
NIGHT
86°F
NW 8 mph
precip
18%
09.14
mon
DAY
88°F
W 7 mph
precip
6%
NIGHT
88°F
W 9 mph
precip
9%
09.15
tue
DAY
88°F
SW 9 mph
precip
11%
NIGHT
88°F
SW 11 mph
precip
25%

Tinian Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Tinian was 29.5°F. The maximum and minimum values were 29.0°F and 29.8°F respectively.

Tinian on the Weather Map

Best Time to Visit Tinian
The most sunny months:
July 5 days
September 4 days
August 4 days
The most warm months:
July 90.8 °F
August 90.7 °F
June 90.7 °F
Warmest sea temperature:
August 89.4 °F
September 89.3 °F
July 89.2 °F
The most cold months:
February 85.6 °F
March 86.4 °F
January 86.5 °F
The most rainy months:
October 14 days
August 13 days
September 13 days
The most windy months:
December 19 mph
February 19 mph
January 18 mph
more details