Weather in Malaysia in September

The weather in Malaysia in September begins to shift as the southwest monsoon tapers off and the northeast monsoon looms on the horizon. The country experiences varied weather patterns. The east coast still enjoys warm, dry days, though brief showers may appear late in the month. Islands like Redang and the Perhentians remain open, offering fewer crowds and good water visibility for snorkeling and diving. And on the west coast, rain continues in places like Penang and Kuala Lumpur, particularly in the afternoons. September is ideal for off-peak east coast travel or relaxing mornings in urban destinations.

Malaysia in September at a glance

September in Malaysia is a transitional month. While the southwest monsoon begins to weaken, rainfall is still often observed on the west coast. However, many destinations are still pleasant for travel, especially inland and in Borneo.

• Average temperatures in Malaysia in September range between 75°F and 90°F (24°C and 32°C), with heavy showers in the late afternoon common in urban centers like Kuala Lumpur and Johor Bahru.
• The east coast islands continue to enjoy good weather, though resorts begin preparing for seasonal closure by late October, making early September a great time for quieter beach stays.
• Sabah and Sarawak remain excellent for rainforest adventures, with lush landscapes and fewer tourists. 
• Urban travel is comfortable between storms — Kuala Lumpur’s museums, shopping centers, and restaurants offer great indoor options when skies are gray.
• With school vacations over, lower accommodation rates, and tourist numbers create a peaceful environment across the country for off-peak travelers.

Is September a good time to visit Malaysia?

The weather in Malaysia in September is warm and humid, with a mix of sunshine and short, scattered afternoon showers. Temperatures most typically hover between 75°F and 90°F (24°C and 32°C), making September suitable for a variety of travel styles. If you're wondering about the best time to visit Malaysia, this shoulder month has its own appeal — fewer crowds and lower prices without sacrificing too much sun.

The east coast islands — including Perhentian, Redang, and Tioman — are still open, though the season starts to wind down. Early September is ideal for enjoying calm seas, fewer tourists, and excellent diving visibility before the monsoon returns. On the west coast, destinations like Langkawi and Penang experience occasional rainfall, but it’s rarely long. Cultural exploration and food tourism continue year-round in these areas, making them great options regardless of the weather. 

Urban centers such as Kuala Lumpur and Johor Bahru offer reliable infrastructure for sightseeing, dining, and shopping during rainy spells. The Cameron Highlands remain lush and cool, perfect for scenic hikes and tea plantation visits.

If you're planning a Malaysia itinerary, September is a solid choice for relaxed exploration and cultural discovery. You’ll avoid peak-season crowds, score better deals, and still enjoy a good mix of beach time, nature, and city life.

Average daily temperatures in September

September in Malaysia signals a shift toward wetter conditions in some regions as the southwest monsoon begins to wind down. In Kuala Lumpur, daily temperatures remain warm, with highs around 90°F (32°C) and lows near 75°F (24°C). Humidity stays high, and short late-day rain showers are common.

On the west coast, including Penang, Langkawi, and Melaka, temperatures range from 76°F to 89°F (24°C to 32°C). Rainfall remains frequent but begins to ease slightly toward the end of the month. Sunny mornings often give way to cloudy, rainier afternoons. The east coast — Kuantan, Kuala Terengganu, and Kota Bharu — continues to enjoy dry, sunny weather. Highs average 88°F (31°C), with lows around 74°F (23°C), making September a suitable time for diving and snorkeling on the Perhentian and Redang islands.

In the Cameron Highlands, temperatures range between 57°F and 69°F (14°C and 21°C). The weather is cool and misty, with occasional rainfall enhancing the area’s greenery. In East Malaysia, cities like Kota Kinabalu and Kuching remain warm and wet, with highs around 89°F (32°C).

What about the crowds and costs?

September is an off-peak month in Malaysia. With school vacations over and no major festivals, popular destinations experience lighter traffic. Beaches, cities, and highland retreats are generally quieter at this time of year. Accommodation and flight prices in Malaysia in September are also more affordable than during peak months, allowing travelers to find better deals across all budget levels.

Many east coast resorts remain open and offer reduced rates before the monsoon begins. For those looking to explore some of the best places to visit in Malaysia — from cultural hubs to natural escapes — with fewer crowds and at a lower cost, September seems an ideal time to visit.

Things to do in Malaysia in September

September marks the beginning of the monsoon season on the east coast, prompting travelers to shift focus toward the highlands, urban centers, and wildlife-rich regions of Borneo and central Malaysia. It’s a great time to explore a different side of the country, especially if you're looking for things to do in Malaysia beyond the beach — think jungle trekking, museum hopping, and sampling street food in buzzing night markets.

Watch wildlife at Bako National Park

Located in Sarawak, Bako is known for its diverse wildlife and coastal trails, and September is excellent for spotting proboscis monkeys, bearded pigs, and rare birds like the stork-billed kingfisher. Short, well-marked trails make it ideal even if conditions get slightly wet.

Cruise along the Melaka River at dusk

After the sun sets, Melaka’s riverside transforms into a glowing corridor of lights. On a September evening take a relaxing boat cruise past murals, cafés, and lovely colonial buildings to soak up this UNESCO-listed city’s historic charm.

Make for the Mossy Forest in Cameron Highlands

The Mossy Forest is a surreal, mist-covered ecosystem located near Gunung Brinchang. Elevated boardwalks wind through twisted trees, thick moss, and orchids. In September, cool, damp conditions only add to the forest’s mysterious atmosphere.

Pay a visit to the Islamic Arts Museum Malaysia in Kuala Lumpur

Spend a rainy day exploring Southeast Asia’s largest museum of Islamic art. Its domed halls house intricate calligraphy, textiles, and architectural models. With spacious galleries and stunning design, it’s a perfect place to explore culture and artistry at a leisurely pace.

Festivals and events in Malaysia in September

September events in Malaysia focus on cultural heritage, arts, and community gatherings. It’s a great time to explore regional traditions and take part in creative festivals across the country.

• Mid-Fall Festival (or Mooncake Festival): Celebrated by the Chinese community nationwide in September (or October), this festival features mooncakes, glowing lanterns, and family reunions. Parks and temples in cities like Penang and Kuala Lumpur host lantern parades and cultural shows.
• Hungry Ghost Festival: During this unique Taoist and Buddhist festival celebrated in September (or August), food offerings are made, joss paper is burnt, and opera and street performances are held to appease the spirits of the dead.
• Malaysia Day: On Malaysia Day on September 16, and in the lead-up to the festival, cities across the country host concerts, historical exhibitions, and community-led performances.