Is Hawaii Warm in September?

☀️ Yes! Average temperature: 30°C

30°C
Air Temp
27°C
Sea Temp
9h
Sunshine
20mm
Rainfall

Hawaii Weather in September: The Full Picture

Yes, absolutely! With temperatures averaging 30°C, it's hot and perfect for beach holidays. Hawaii in September has an average air temperature of 30°C with sea temperatures around 27°C. You can expect 9 hours of sunshine per day and 20mm of rainfall, which means minimal rainfall — mostly dry and sunny.

At 27°C the sea is like a warm bath — perfect for swimming, snorkelling, and diving. With 9 hours of daily sunshine, there's plenty of time to enjoy outdoor activities. Pack light clothing, high-SPF sunscreen, a wide-brimmed hat, and swimwear. Stay hydrated.

Hawaii is one of the top warm destinations for September holidays from the UK. The average flight time from the UK is comfortable and there are usually good deals available for this time of year.

✓ VERDICT: Yes, Hawaii is warm in September — 30°C air, 27°C sea, 9h sunshine, 20mm rain.

How Does Hawaii Compare in September?

Here's how Hawaii stacks up against similar destinations in September:

DestinationAir °CSea °CRainSun
Hawaii30°C27°C20mm9h
Antigua30°C29°C100mm8h
Barbados30°C29°C150mm8h
Cancun30°C29°C155mm7h
Goa30°C27°C250mm6h
Jamaica30°C29°C95mm7h

Is Hawaii Warm in Other Months?

See how Hawaii's temperature changes throughout the year:

Other Warm Destinations in September

Looking for somewhere warm in September? These destinations are all 25°C+:

Frequently Asked Questions

Is Hawaii warm in September?

Yes, Hawaii in September has average temperatures of 30°C, making it a warm destination. Sea temperatures are 27°C.

Can you swim in Hawaii in September?

Yes, the sea temperature of 27°C is very comfortable for swimming.

What should I pack for Hawaii in September?

Pack light clothing, high-SPF sunscreen, a wide-brimmed hat, and swimwear. Stay hydrated.

Is September a good time to visit Hawaii?

September is an excellent time to visit Hawaii with warm weather and 9 hours of daily sunshine.

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