Monthly guide · September 2026
Sep 2026
Our complete breakdown of the best dive destinations worldwide for September — ranked by conditions, species activity, and seasonal timing.
Global score
3.1/5
Across all tracked sites
Peak spots
13
Across 6 regions
Species peaking
17
Tracked this month
Avg viz
21m
Global average
Top destinations this month
All destinations →- 01
Cocos Island
24–27°C · Viz 15–25m · eastern pacific
5/5 - 02
Galápagos
19–22°C · Viz 10–20m · eastern pacific
5/5 - 03
Komodo
23–27°C · Viz 20–30m · southeast asia
5/5 - 04
La Paz (Sea of Cortez)
28–30°C · Viz 20–30m · eastern pacific
5/5 - 05
Lembeh Strait
26–28°C · Viz 10–15m · southeast asia
5/5 - 06
Maldives (Central Atolls)
28–30°C · Viz 15–25m · indian ocean
5/5 - 07
Marsa Alam
27–29°C · Viz 20–30m · red sea
5/5 - 08
Nusa Penida
21–26°C · Viz 20–30m · southeast asia
5/5 - 09
Red Sea — Brothers, Daedalus & Elphinstone
27–29°C · Viz 25–40m · red sea
5/5 - 10
Fuvahmulah
28–30°C · Viz 20–30m · indian ocean
4/5 - 11
Gansbaai
13–15°C · Viz 3–10m · atlantic
4/5 - 12
Ningaloo
22–25°C · Viz 20–30m · pacific
4/5 - 13
Rapid Bay & Edithburgh
14–16°C · Viz 8–15m · pacific
4/5 - 14
Palau
28–30°C · Viz 20–30m · pacific
3/5 - 15
Playa del Carmen & Isla Mujeres
28–30°C · Viz 15–25m · caribbean
3/5 - 16
Raja Ampat
27–29°C · Viz 20–30m · southeast asia
3/5
Species peaking in September
All species →
Scalloped Hammerhead
Sphyrna lewini
Peak · Cocos Island 
Galápagos Shark
Carcharhinus galapagensis
Peak · Cocos Island 
Silky Shark
Carcharhinus falciformis
Peak · Cocos Island 
Tiger Shark
Galeocerdo cuvier
Peak · Cocos Island 
Whale Shark
Rhincodon typus
Peak · Galápagos 
Seals & Sea Lions
Families Phocidae & Otariidae (Pinnipedia)
Peak · Galápagos