Measurements:
°C
°F
CURRENT WEATHER
07:57
Tinian
88°F
E 1 mph
Feels like: 94°F
Precip: 44%
World Resorts Northern Mariana Islands Tinian Weather

7 Day Weather Forecast

09.29
tue
DAY
88°F
E 4 mph
precip
6%
NIGHT
88°F
S 5 mph
precip
13%
09.30
wed
DAY
88°F
SE 4 mph
precip
12%
NIGHT
88°F
SE 6 mph
precip
9%
10.01
thu
DAY
86°F
SE 9 mph
precip
72%
NIGHT
86°F
NE 4 mph
precip
41%
10.02
fri
DAY
86°F
SE 11 mph
precip
75%
NIGHT
86°F
E 16 mph
precip
22%
10.03
sat
DAY
88°F
NE 31 mph
precip
29%
NIGHT
88°F
NE 31 mph
precip
38%
10.04
sun
DAY
88°F
NE 31 mph
precip
48%
NIGHT
88°F
NE 30 mph
precip
55%
10.05
mon
DAY
86°F
NE 32 mph
precip
72%
NIGHT
88°F
NE 26 mph
precip
68%

Tinian Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Tinian was 29.9°F. The maximum and minimum values were 29.5°F and 30.5°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 89.4 °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 12 days
The most windy months:
December 19 mph
February 19 mph
January 18 mph
more details