30YearWeather
Nassau in September
Nassau weather in September - Bahamas
🌧️Wet Season

Nassau Weather in September

Plan your September trip to Nassau, Bahamas. Based on 30 years of NASA data, expect temperatures of 30°C (high) to 26°C (low), with 41% rain probability and 8 hours of daily sunshine. The Atlantic Ocean averages 30°C in September. Pack rain gear for around 30 rainy days.

Avg High
30°C

Hottest around day 1

Avg Low
26°C

Coolest around day 30

Rainy Days
30days

41% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in September

Atlantic Ocean

30.3°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Atlantic Ocean

Nassau coastline

Nassau September Weather Calendar

Click any day to see detailed weather information

Currency

BSD

$ Bahamian dollar

Language

English

Driving

Left side

Travel Intelligence

Exclusive flight analytics & health data for Nassau

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic
35/ 100
Traffic Index

Quieter airport

Peak Daily Arrivals

0

slots per day

Peak

Jun

Low

Oct

Monthly Traffic Distribution

67
Jan
78
Feb
83
Mar
65
Apr
61
May
88
Jun
78
Jul
82
Aug
65
Sep
28
Oct
76
Nov
78
Dec
Traffic Level
Low Season

Key Connections

Freeport Grand Bahama (FPO)
Fort Lauderdale Hollywood (FLL)
Marsh Harbour (MHH)
George Town Exuma (GGT)
Toronto Pearson (YYZ)

Is September a Good Time to Visit Nassau?

👌Good option with minor considerations
Short Answer

September brings storm season risk to Nassau. While typical weather is 30°C with 41% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Oppressive heat and humidity

29.5°C with 76% humidity - challenging conditions

Feels significantly hotter than 29.5°C

Heat index: 35°C due to 76% humidity

Warm tropical seas

30.3°C sea temperature - Hot Soup

Plenty of sunshine

10.4h of sunshine daily

Shoulder season - balanced conditions

74% of peak - good value with moderate crowds

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    76% humidity creates difficult conditions

  • 💼
    Business travelers

    Storm season may cause flight disruptions

  • 🌡️
    Heat-sensitive visitors

    35°C feels-like temperature creates discomfort

900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Nassau in September averages 30°C with 41% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Nassau in September

What are the temperatures in Nassau in September?

Daytime highs average 30°C, nights drop to 26°C. Temperatures remain fairly consistent.

How many rainy days in Nassau in September?

Expect around 30 days with measurable rainfall. An umbrella is advisable.

What to wear in Nassau in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Nassau?

This is shoulder season—moderate prices and manageable crowds.