Cat Island weather in September 2025

Q: How hot is it in Cat Island in September?

Daytime temperatures usually reach 31°C in Cat Island in September with very high heat and humidity, falling to 24°C at night.

Q: How sunny is it in Cat Island in September?

There are normally 7 hours of bright sunshine each day in Cat Island in September - that's 55% of daylight hours.

Q: How warm is the sea around Cat Island in September?

The average sea temperature around Cat Island in September is 29°C.

Q: Does it rain in Cat Island in September?

There are usually 20 days with some rain in Cat Island in September and the average monthly rainfall is 118mm.

Q: What is the chance of a cyclone in Cat Island in September?

On average 1 day in September in Cat Island is likely to be affected by the passage of one or more tropical storms.

Expect daytime maximum temperatures of 31°C in Cat Island in September and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 20 days with some rainfall and typically 118 mm of rainfall in the month.

31
31°C max day temperature
7
7 hours of sunshine per day
20
20 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
118
118 mm of monthly rainfall
10
10 (Very High) UV index
29
29°C sea temperature

More about the Cat Island

Cat Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Bahamas

Marella Cruises sale: up to £300 off ocean cruises

Discount Code

Save up to £300 on ocean cruises in 2025/2026
Discount varies by destination. No min spend
Travel before 30th April 2026 (inclusive)

Show discount code

******200

Redeem Marella Cruises discount code >>

Expires at 23:59 on Friday 28th Feb 2025 · View all Marella Cruises offers

Cruise deal finder

Destination

The September weather guide for Bahamas (Cat Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

How hot is it in Cat Island in September?

Daytime temperatures usually reach 31°C in Cat Island in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in Cat Island in September?

There are normally 7 hours of bright sunshine each day in Cat Island in September - that's 55% of daylight hours.

How warm is the sea around Cat Island in September?

The average sea temperature around Cat Island in September is 29°C.

Does it rain in Cat Island in September?

There are usually 20 days with some rain in Cat Island in September and the average monthly rainfall is 118mm.

What is the chance of a hurricane in Cat Island in September?

On average 1 day in September in Cat Island is likely to be affected by the passage of one or more tropical storms.

Cat Island September sunrise & sunset times

Browse the sunrise and sunset times for Cat Island in September 2025. Select a month to view Cat Island sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	05:44	18:21
Monday, 15th September 2025	05:49	18:06
Tuesday, 30th September 2025	05:54	17:50

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

Bahamas - quick facts
Flight time^✝	9.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	Bahamian Dollar
Electricity	A + B plug (120V)
Driving side	Left
Why visit?	Beaches Nature Nightlife
Tourist info	Bahamas Ministry of Tourism