Jamaica Montego Bay Weather in September — Climate Guide
September in Montego Bay is moderate
September is moderate for Montego Bay.
September is Montego Bay's quietest month + the cheapest resort pricing of the year — 40-60% below peak-season rates. The trade-off: hurricane season peak + 150mm rain + 10 wet days + 81% humidity. For travelers with flexibility + travel insurance with weather-disruption coverage, this is the value sweet spot — Caribbean weather still warm + tropical, fewer crowds at every major attraction, no resort booking pressure. Hurricane direct hits on MoBay's north coast are historically rare even at season peak (Cuba blocks most Atlantic systems) but peripheral effects bring 2-4 days of heavy rain per season.
Travel score
Year's cheapest month + hurricane season peak + Jamaica Coffee Festival + quiet shoulder
September Weather at a Glance
September averages 32°C / 90°F highs and 24°C / 75°F lows with 150mm precipitation over 10 wet days — the year's wettest month. Humidity 81%. Sunshine 7h. Sea temperature 28°C / 82°F. Trade winds at 10-12 knots weakening. Day length dropping to 12h 5min. UV index 10. Pattern: morning clouds + occasional sun + reliable afternoon thunderstorms 13:00-18:00 + variable evenings.
September Travel Advice
September is the cost-conscious traveler's value sweet spot but requires accepting hurricane-season risk. Travel insurance with weather-disruption + trip-interruption coverage ($50-100) is essential — Jamaica's MoBay north coast is historically sheltered from major hurricanes but tropical systems bring 2-4 days of heavy rain + occasional flight delays per season. Monitor National Hurricane Center forecasts 5-7 days out. Resort storm protocols are well-developed (you'll be safe inside) but outdoor day trips cancel during direct hits. Pack rain jacket + power bank for outage prep.
September Pricing Trends
Year's cheapest: 5-star all-inclusive $300-450/person/night, 4-star $200-300/person/night. Flights from MIA/JFK/ATL $250-400 RT. 40-60% below January peak.
Montego Bay September Weather Stats
Avg High
32°C
Avg Low
24°C
Rainy Days
10
150mm total
Sunshine
7h
Daily avg
Humidity
81%
very humid
UV Index
10
Very high
Wind
12 km/h
Gusts 30
Sea Temp
28°C
swimming excellent
Crowds
Quiet
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
11 μg/m³
PM10
18 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
36°C
Nighttime
26°C
Humidity and wind affect how the actual temperature feels.
Wind
12 km/h
Max gust 30 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- Year's cheapest pricing (40-60% below peak)
- Quietest crowds at Doctor's Cave Beach + Hip Strip + Negril
- Easy restaurant + tour bookings (no booking pressure)
- Sea temperature 28°C / 82°F still warm
- Jamaica Coffee Festival (early September)
- Post-Sumfest quiet
Cons
- Year's wettest month (150mm rain, 10 wet days)
- Humidity 81% peak
- Hurricane season peak (insurance essential)
- Some resort + restaurant renovations during this shoulder period
- Day length dropping (12h)
September Events & Festivals
- Hurricane season peak (Sep-Oct historically the highest-risk period)
- Jamaica Coffee Festival (early September, Blue Mountain region)
- Caribbean Premier League cricket finals (varies)
- Post-Sumfest quiet shoulder period
Montego Bay in September — Full Picture
September is Montego Bay's quietest month + the cheapest resort pricing of the year — 40-60% below peak-season rates. The trade-off: hurricane season peak + 150mm rain + 10 wet days + 81% humidity. For travelers with flexibility + travel insurance with weather-disruption coverage, this is the value sweet spot — Caribbean weather still warm + tropical, fewer crowds at every major attraction, no resort booking pressure. Hurricane direct hits on MoBay's north coast are historically rare even at season peak (Cuba blocks most Atlantic systems) but peripheral effects bring 2-4 days of heavy rain per season.
What to Wear & What to Pack
Wet-summer peak — light cotton + linen + swimwear + SPF 50. Lightweight rain jacket essential (year's rainiest period). Insect repellent DEET 30%+. Resort indoor-dining evening wear smart-casual.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
30.7°C
23°C
7.3/mo
Summer (Jun·Jul·Aug)
32.7°C
25°C
9.3/mo
Autumn (Sep·Oct·Nov)
Current31.7°C
23.7°C
9.7/mo
Winter (Dec·Jan·Feb)
30°C
21.3°C
6/mo
Montego Bay Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 30° | 21° | 6d·40mm | 8h | 75% | 9 | Very busy | Peak |
| February (Best) | 30° | 21° | 5d·30mm | 9h | 74% | 9 | Busy | Peak |
| March (Best) | 30° | 22° | 6d·35mm | 9h | 75% | 10 | Very busy | Peak |
| April (Best) | 31° | 23° | 7d·60mm | 8h | 76% | 11 | Moderate | Shoulder |
| May (Best) | 31° | 24° | 9d·110mm | 8h | 78% | 11 | Moderate | Shoulder |
| 32° | 25° | 10d·120mm | 7h | 80% | 11 | Moderate | Shoulder | |
| 33° | 25° | 9d·100mm | 8h | 80% | 11 | Busy | Shoulder | |
| 33° | 25° | 9d·110mm | 8h | 80% | 11 | Busy | Shoulder | |
| 32° | 24° | 10d·150mm | 7h | 81% | 10 | Quiet | Low season | |
| 32° | 24° | 11d·170mm | 7h | 81% | 10 | Quiet | Low season | |
| November (Best) | 31° | 23° | 8d·90mm | 8h | 78% | 10 | Moderate | Shoulder |
| December (Best) | 30° | 22° | 7d·60mm | 8h | 75% | 9 | Very busy | Peak |
View Other Months
Montego Bay September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Montego Bay?
Montego Bay in September is moderate. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Montego Bay in September?
Montego Bay September averages a high of 32°C and a low of 24°C.
Does it rain much in Montego Bay in September?
Montego Bay September averages 150mm of rainfall over about 10 rainy days.
What should I wear in Montego Bay in September?
Wet-summer peak — light cotton + linen + swimwear + SPF 50. Lightweight rain jacket essential (year's rainiest period). Insect repellent DEET 30%+. Resort indoor-dining evening wear smart-casual.
What time are sunrise and sunset in Montego Bay in September?
Montego Bay September sunrise is 06:10 and sunset is 18:15, with 12h 5min of daylight.
What's the air quality like in Montego Bay in September?
Montego Bay September air quality (AQI) averages 35, rated Good. PM2.5 averages 11μg/m³.
What activities are recommended in Montego Bay in September?
In September, Montego Bay is great for Doctor's Cave Beach + Hip Strip mornings (rain afternoons), Resort spa + indoor activities afternoons, Jamaica Coffee Festival early September Blue Mountain region.
Is September peak season in Montego Bay?
Montego Bay September crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Montego Bay
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.