Is Hawaii Only Attractive In Summer? Hawaii Weather In September May Make You Rethink

It’s relaxing to wear a dazzling garland around your neck and enjoy a cocktail while listening to the sound of the ukelele and watching brave surfers conquer the Pacific Ocean. There is no wrong time to visit Hawaii. But if you want to spend your holiday in Hawaii in September, here are certain things you need to know, especially Hawaii weather in September, to prepare in advance. Then this post is for you.

Keep These 3 Notes In Your Mind Before Traveling To Hawaii

The Pacific Ocean surrounds this island, so Hawaii is not adjacent to any other country. Imagine you lie on the long white sands, listening to the sound of casuarinas on the pearl island. That’s awesome, right? But to keep that vacation trip uninterrupted, keep these 3 notes in mind: 

Main Means Of Transportation: Taxi Or Bus (Or Helicopter!)

When coming to Hawaii, you have 2 options for transportation, taxi or bus. Of course, there are exceptions. It’s a helicopter! More specifically, this article will explain more below.

Usually, tourists prefer traveling by bus because of its convenience, coolness, and cheapness. Buses here include two types of local buses and tourist buses. Buses on the island of Hawaii do not have closed doors, creating a very cool atmosphere.

What To Wear?

Hit the road in light, loose, and comfortable clothing.


– Shorts, sandals, or some good walking footwear.

– Short-sleeve or long-sleeve shirt.

– Hat and sunglasses.

– Swimsuits (for men), swimsuits, or bikinis (for women).


– Casual pants and shirts for men and women.

– Long (or short) skirt and cardigan (or blouse) (for women).

– Light jacket or t-shirt.

When The Weather May Turn Cold

The weather may get chilly, so bring a jacket or t-shirt. Also, consider bringing along when traveling to Hawaii:

– Light coat or windbreaker.

– Trousers.

– Walking shoes.

Hawaii is not adjacent to any other country - Photo from TravelAge West
Hawaii is not adjacent to any other country – Photo from TravelAge West

Disaster Warning

The National Weather Service Central Pacific Hurricane Center will help you keep track of the weather and provide weather and disaster warnings (if any) before you reach an island in Hawaii. The Hawaii Department of Defense provides early warning with a statewide Forecast and Warning program with sirens.

However, do not arbitrarily evacuate when the tsunami forecast has not been issued. Listen for instructions coming from the alarm speaker. Stay out of the danger zone until they send the official “Safe” signal.

Hawaii Weather Overview

Consisting of 6 breathtaking islands, Hawaii has magnificent beaches with rugged jungles and mountains.

Visiting Hawaii at any month of the year is a great pick, thanks to the state’s typically laid-back air and tropical climate. In addition, the control of humidity from the easterly winds makes the atmosphere and temperatures there more pleasant than in a typical tropical region. 

Hawaii Weather in September
There is no wrong time to visit Hawaii – Photo from Getty Images

Hawaii Weather in September

With a moderate rainfall probability, the typical Hawaii weather in September is humid and hot. More specifically, this month is in the wet season, which means sometimes there will be rainfall but won’t be long enough to spoil your travel.

Because of Hawaii’s tropical climate, the temperatures may exceed 80°F (26.7°C).

With the specific sunny Hawaii weather in September, you will enjoy half-day sunshine daily. Come here and get the tan you want!

Traveling to Hawaii in September is also such a wonderful time to enjoy swimming as the ocean temperatures are warmer (up to 80°F or 26.7°C in equivalent).

Hawaii Weather in September
Hawaii temperatures  in September – Photo from Hawaii Travel Guide
Hawaii rainfall
Hawaii rainfall  in September – Photo from Hawaii Travel Guide

September is an ideal time to travel to Hawaii. When the temperature is a little cooler, there will be fewer tourists; hence we can get better deals on hotels.

Hawaii demand
Hawaii demand in September – Photo from Hawaii Travel Guide
Hotel prices on holidays
Hawaii hotel prices  on holidays – Photo from Hawaii Travel Guide

Read more: 

Puerto Rico weather in December: Is It Favorable For A Visit?

Spending Independence Day In Puerto Rico?

Oahu and Honolulu weather in September

In September, the average temperature in Oahu falls between 60°F (15.6°C) and 77°F (25°C). 

If Oahu is the heart of Hawaii, then Honolulu is its racing pulse. It is the capital and biggest city of Hawaii. Honolulu weather in September is moderately hot, with the average temperature ranging from 75°F (23.9°C) to 82°F (28°C). September is an excellent time to splash around Waikiki Beach and visit popular tourist spots in Honolulu like Diamond Head State Monument. There are many other great cultural, fashion, cuisine, and film events in Oahu in September.

honolulu weather in september
Diamond Head State Monument  – Photo from Travel + Leisure

Kauai in September

Kauai, commonly known as the Garden Island, is famous for its breathtaking underwater scenery. Once setting your feet on this island, don’t miss the chance to explore the beautiful snorkeling spots of Tunnels Beach, Ke’e Beach, Hanalei Bay.

As for the weather in Kauai in September, the average temperature ranging from 74°F (23.3°C) to 83°F (28.3°C)

If you’d like to visit the Napali Coast, Kauai’s most popular destination and iconic state park, you have to hike the Kalalau Trail. Otherwise, a helicopter tour lets you see the Napali Coast from above. 

Additionally, if you want to experience some of the greatest traditional Hawaiian festivals, including The Kauai Marathon and Kauai Mokihana Festival, September is a perfect time to come! 

weather in kauai in september
The Napali Coast  – Photo from Tripadvisor

Maui in September

September is a perfect time to visit since fewer crowds, warmer temperatures, and cheaper hotel prices in Maui. In September, the average temperature falls between 60°F (15.6°C) and 77°F (25°C).

Once coming here, enjoy water activities in the mornings. Maui features a lot of interesting places, especially spectacular waterfalls.

Big Island in September

Are you looking to visit Big Island in September? Here are several must-dos. First, explore the spectacular beauty in Hawaii Volcanoes National Park. Next, immerse yourself in the Waipio Valley, then take Instagram-worthy photos at the picturesque Akaka Falls State Park.

Also, don’t pass by the chance to enjoy Hawaii’s enticing shopping scene, particularly in Waikoloa. How about stopping by the Hilo Farmers’ Market to get nostalgic crafts?

Molokai in September

Featuring the longest white sand beach in Hawaii, Molokai is a stunning island unspoiled by mass tourism. Molokai is home to the tallest cliffs globally, and its beautiful beaches are ideal for snorkeling.

When in Molokai, visit old heiau, temples, or other rock fishponds to feel the true Hawaiian culture.

Visiting Molokai in September is never boring. The funniest items on the to-do list in this “right place right time” are viewing the magnificent sunset at Papohaku and visiting Kalaupapa National Historical Park. Having an exploration trip down the Coastal Road to Halawa Valley is awesome, too. And how about joining the lively Aloha Festivals, including a mule dragging and mule racing competition?

Note that each island holds the Aloha Festival every week, so be sure to check the calendar to see when your arrival will fall on Molokai’s one.

What is Aloha Festival ?
Aloha Festival  – Photo from RVshare

Lanai in September

Lanai, the Pineapple Island, is one of the quietest and smallest Hawaiian Islands.

September is the perfect time to travel to Lanai to enjoy the weather, with the temperatures ranging from 60°F (15.6°C) to 77°F (25°C).

Lanai boasts many stunning private beaches, with spinner dolphins frolicking around. Take a tour or hire a jeep and explore this little town. It’s time to enjoy the dances, tasty cuisine, and vibrant parades to feel the Hawaiian arts and culture. 

Aloha Festival
Hawaii spinner dolphins  – Photo from Lookphotos

Conclusion: Should We Travel To Hawaii In September?

Though not as lively as in the summer, September in Hawaii still attracts many tourists and hosts many events, partly thanks to the pleasant Hawaii weather in September

For more travel information and recommendations, check out our tips and Enjoy Fun Trip.

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