Bayan Lepas Weather in September

September in Bayan Lepas brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 26°C (79°F). It's part of the rainy season, with 246 mm (9.7 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Bayan Lepas in September

Bayan Lepas is in the rainy season in September, with rain on around 23 days and an average of 246 mm (9.7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Bayan Lepas in September

Daytime temperatures in Bayan Lepas reach 31°C (88°F) in September, dropping to 26°C (79°F) at night. For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Bayan Lepas in September

The area enjoys a balanced 162 hours of sunlight, ensuring it's neither too rainy nor too sunny.

Wind Speed in Bayan Lepas in September

Average wind conditions reach 1 m/s (2 knots) in September. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in September

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

September in Bayan Lepas can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit Malaysia, check out our Bayan Lepas's climate page.

Bayan Lepas Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 31°C (88°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 75%  

Precipitation 246 mm (9.7 in)  

Rainy days 23 days  

Humidity 75% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 162 hours *  

Percentage Sunshine *  

* Data from: Penang, Malaysia (2 KM, 1 Miles).

Daily Historical Temperatures

48-year average (1976-2025)

Based on our historical records, temperatures in Bayan Lepas typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in September

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Daily Historical Precipitation

48-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Bayan Lepas in September

Browse day-by-day weather records for Bayan Lepas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Bayan Lepas historical weather extremes in September

The extremes listed below come from historical weather data collected in Bayan Lepas from 1992 through 2025.

• Bayan Lepas recorded its highest September temperature of 33°C (91°F) on September 19, 2023.
• The coldest September day was on September 10, 2013, with a maximum of 25°C (77°F).
• The lowest overnight temperature recorded in September was 22°C (72°F) (September 23, 2015).
• The wettest day in September Bayan Lepas was on September 6, 2008 with 168 mm (6.6 in) of precipitation.

What to Wear in Bayan Lepas in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Bayan Lepas in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Malaysia, check out our Bayan Lepas's climate page.

More climate data for Bayan Lepas

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Bayan Lepas climate overview or explore weather in Malaysia.