Measurements:
°C
°F
CURRENT WEATHER
02:58
Mafia Island
82°F
W 8 mph
Feels like: 84°F
Precip: 15%
World Resorts Tanzania Mafia Island Weather

7 Day Weather Forecast

09.29
tue
DAY
88°F
W 11 mph
precip
11%
NIGHT
76°F
NW 7 mph
precip
25%
09.30
wed
DAY
88°F
W 11 mph
precip
2%
NIGHT
78°F
NW 9 mph
precip
9%
10.01
thu
DAY
90°F
W 8 mph
precip
11%
NIGHT
78°F
NW 7 mph
precip
26%
10.02
fri
DAY
88°F
W 9 mph
precip
2%
NIGHT
80°F
NW 9 mph
precip
14%
10.03
sat
DAY
88°F
W 11 mph
precip
25%
NIGHT
78°F
W 9 mph
precip
59%
10.04
sun
DAY
86°F
NW 12 mph
precip
57%
NIGHT
80°F
NW 9 mph
precip
8%
10.05
mon
DAY
88°F
NW 12 mph
precip
20%
NIGHT
78°F
NW 7 mph
precip
31%

Mafia Island Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Mafia Island was 26.8°F. The maximum and minimum values were 26.3°F and 27.3°F respectively.

Mafia Island on the Weather Map

Best Time to Visit Mafia Island
The most sunny months:
June 13 days
July 13 days
December 12 days
The most warm months:
March 93.4 °F
December 93.3 °F
February 93.2 °F
Warmest sea temperature:
March 88.9 °F
April 88.3 °F
December 88.0 °F
The most cold months:
July 86.7 °F
August 87.1 °F
June 87.3 °F
The most rainy months:
April 16 days
March 11 days
May 11 days
The most windy months:
July 9 mph
June 9 mph
August 9 mph
more details