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Luminous Lagoon in September 2027: darkest nights

Where the Martha Brae river meets the sea. Swimming is allowed from the tour boats. Year-round.

15 pitch-dark nights, 17 dark nights

New moon Wed 29 Sep · Full moon Wed 15 Sep

Night by night, September 2027

NightMoon19:0021:00Best
Wed 1 Sep 3%●●●●●●●●●●21:00
Thu 2 Sep 8%●●●●●●●●●●21:00
Fri 3 Sep 15%●●●●●●●●●●21:00
Sat 4 Sep 24%●●●●●●●●●●21:00
Sun 5 Sep 34%●●●●●●●●●●21:00
Mon 6 Sep 44%●●●●●●●●●●21:00
Tue 7 Sep 54%●●●●●●●●●●21:00
Wed 8 Sep 63%●●●●●●●●●●21:00
Thu 9 Sep 72%●●●●●●●●●●21:00
Fri 10 Sep 80%●●●●●●●●●●21:00
Sat 11 Sep 87%●●●●●●●●●●21:00
Sun 12 Sep 93%●●●●●●●●●●21:00
Mon 13 Sep 97%●●●●●●●●●●21:00
Tue 14 Sep 99%●●●●●●●●●●19:00
Wed 15 Sep 100%●●●●●●●●●●19:00
Thu 16 Sep 99%●●●●●●●●●●19:00
Fri 17 Sep 95%●●●●●●●●●●19:00
Sat 18 Sep 90%●●●●●●●●●●19:00
Sun 19 Sep 83%●●●●●●●●●●19:00
Mon 20 Sep 74%●●●●●●●●●●19:00
Tue 21 Sep 63%●●●●●●●●●●19:00
Wed 22 Sep 52%●●●●●●●●●●21:00
Thu 23 Sep 40%●●●●●●●●●●21:00
Fri 24 Sep 29%●●●●●●●●●●21:00
Sat 25 Sep 19%●●●●●●●●●●21:00
Sun 26 Sep 11%●●●●●●●●●●21:00
Mon 27 Sep 5%●●●●●●●●●●21:00
Tue 28 Sep 1%●●●●●●●●●●21:00
Wed 29 Sep 0%●●●●●●●●●●21:00
Thu 30 Sep 2%●●●●●●●●●●21:00

Check one night in detail Luminous Lagoon tours

Questions

What are the best nights to see the bioluminescence at Luminous Lagoon in September 2027?

The darkest nights are Wed 1 Sep, Thu 2 Sep, Fri 3 Sep, Sat 4 Sep, Mon 20 Sep, Tue 21 Sep, Wed 22 Sep, Thu 23 Sep, Fri 24 Sep, Sat 25 Sep and more. 17 of 30 nights score at least 4 out of 5.

Which nights should I avoid in September 2027?

Avoid the nights around the full moon on Wed 15 Sep, when moonlight washes out the glow.

19:00 or 21:00: which Luminous Lagoon tour is darker in September?

19:00 is the darker choice on 4 nights; 21:00 is the darker choice on 15 nights.

Luminous Lagoon darkness by month

Darkness score 1-5 per tour slot from twilight and moonlight. Weather and plankton health are not included. Times are local (America/Jamaica).