Weather in Penang in September
As an Amazon Associate we earn from qualifying purchases. We also earn commission from other retail partners. Links below are affiliate links.
Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Penang.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youPenang in September is hot — daytime temperatures average 29.4°C, dropping to 24.9°C at night. The month is extremely wet, with heavy downpours most days, with roughly 8.1 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Penang — every month compared. Once you know when to go, find your Penang packing list at 247PackingList.
Get ready for Penang in September
Search flights to Penang
Compare 100+ airlines for September — one search, best price.
Search Flights →Lightweight travel clothing
Lightweight, breathable clothing and a compact travel umbrella are essential in this climate.
Check Price →What to pack for Penang in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Penang
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 29.9°C | 81.7mm | 10/10 |
| February | 30.5°C | 107.6mm | 9/10 |
| March | 30.6°C | 164.8mm | 9/10 |
| April | 30.0°C | 292.8mm | 8/10 |
| May | 30.2°C | 314.3mm | 8/10 |
| June | 29.7°C | 230.8mm | 8/10 |
| July | 29.8°C | 222.2mm | 8/10 |
| August | 29.8°C | 275.8mm | 8/10 |
| September | 29.4°C | 353.6mm | 8/10 |
| October | 29.2°C | 443.5mm | 8/10 |
| November | 29.0°C | 403.5mm | 8/10 |
| December | 29.1°C | 236.4mm | 8/10 |
Full month-by-month guide: best time to visit Penang →
For facts about Malaysia — currency, language and dialling code — see our Malaysia country guide at 247CountryInfo. Travellers also find it useful to keep a Penang travel guide to hand. Check clothing sizes in Malaysia before you shop.
Frequently Asked Questions
Is September a good time to visit Penang?
September rates 8/10 for visiting Penang — good time to visit. Expect average highs of 29.4°C, 353.6mm of rain across the month and about 8.1 hours of daily sunshine.
What is the temperature in Penang in September?
In September, Penang has average highs of 29.4°C (84.9°F) and average lows of 24.9°C (76.8°F).
Does it rain in Penang in September?
Yes — September is one of the wetter months in Penang, averaging 353.6mm of rain over roughly 24 rainy days. Pack for heavy showers.
What should I wear in Penang in September?
For Penang in September (29.4°C highs / 24.9°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Penang in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
Check Price →Last updated:
Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.