Havelock Island (Swaraj Dweep) in September
Andaman & Nicobar Islands, India
Skip — Andaman monsoon (May–Sep) makes Radhanagar Beach choppy and unsafe for swimming; ferry services from Port Blair to Havelock cancelled 30%+ of days, especially Jun–Aug. Scuba operators reduce fleet 60%. Better window: November–April.
September on Havelock is the cautious end of monsoon. Rainfall drops to 240-290mm, most landing in the first half. By the third week, dive operators start bringing staff back from leave - Dive India and Barefoot typically reopen September 25-28, others by October 1. Ferry services from Port Blair restart a six-day timetable in mid-September but cancellations remain a 20 percent risk. Underwater visibility is recovering through 12-15m, well below winter standard. Hotel rates are at year-low. Refund policies are tight. This is a month for the dive-certified traveler who has been before and wants quiet over conditions.
Why September scores 4.0/10
Weather
Late monsoon. 280mm rain. Dive shops reopen last week of month. Ferries patchy, vis 12-15m.
What to do in Havelock Island (Swaraj Dweep) this September
- 1beach walks as weather clears
- 2ferry reliability testing
- 3basic snorkeling (late month)
Who should go
- ✓First-time travelers
- ✓Senior citizens
- ✓early-monsoon-recovery explorers
Who should think twice
- ✗serious divers
All 12 Months
| Month | Score | Note |
|---|---|---|
| January | 10.0/10 | Peak diving. 24-29C, 30m vis, ferries reliable. Book stays 30 days out. |
| February | 10.0/10 | Driest month. 25-30C, vis 30m+. Quieter than Jan once school holidays end mid-month. |
| March | 8.0/10 | Late peak. 26-32C. Vis 25-28m. Ferry timetables hold. Hotel rates 25% below January. |
| April | 8.0/10 | Hot 28-33C, vis 22-25m. Ferries on schedule, hotel rates 35% off January. Off-peak with full operations. |
| May | 8.0/10 | Last clean month. 28-33C. Vis dropping to 18-22m. Ferries on schedule first 3 weeks. |
| June | 2.0/10 | Monsoon. 450mm rain, ferries cancelled often, dive shops closed. Do not plan a Havelock trip. |
| July | 2.0/10 | Peak monsoon. 500mm rain. Dive operators closed. Ferries cancel routinely. Skip entirely. |
| August | 2.0/10 | Monsoon continues. 420mm rain, dive shops still closed, ferries unreliable. Skip. |
| Septemberviewing | 4.0/10 | Late monsoon. 280mm rain. Dive shops reopen last week of month. Ferries patchy, vis 12-15m. |
| October | 8.0/10 | Season opens. 130mm rain mostly first week. Vis recovers 20-25m. Hotel rates 35% below December. |
| November | 8.0/10 | Strong shoulder. 60mm rain, 24-30C, vis 25m. Diwali week books out, otherwise great value. |
| December | 10.0/10 | Peak. 23-29C, vis 28-30m. Christmas-NY 50% premium. Book Radhanagar resorts 45 days out. |
What to pack for September
- ▸layers for variable weather
- ▸waterproof bag
- ▸patience for ferry delays
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