Penang (George Town) in September
In September, Penang (George Town) averages 31°C (88°F) during the day and 24°C (75°F) at night, with frequent rain — about 19 days of the month see precipitation (290 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
September is one of the wetter and less comfortable months in Penang (George Town). If your dates are flexible, consider a different time of year.
How September compares to the rest of the year in Penang (George Town)
September is in the middle of the year for warmth in Penang (George Town) (9th of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 1°C below the annual average (32°C). September runs roughly the same as August (31°C) and stays flat into October.
September sunrise & sunset in Penang (George Town)
Times shown for Penang (George Town) local time (Asia/Kuala_Lumpur), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Penang (George Town) — September
Golden-hour and blue-hour windows for the 15th of September, in Penang (George Town)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Penang (George Town) in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Penang (George Town)'s popularity.
Crowds & pricing — September in Penang (George Town)
Penang (George Town) is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — September in Penang (George Town)
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Penang (George Town) — September
Across the year Penang (George Town)'s sea swings from 30.4°C (January) to 32.4°C (April) — September sits at 31.1°C.
Penang (George Town) in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 32°C / 90°F | 24°C / 75°F | 70 mm | 7 | 0 |
| February | 32°C / 90°F | 24°C / 75°F | 90 mm | 7 | 0 |
| March | 32°C / 90°F | 24°C / 75°F | 140 mm | 11 | 0 |
| April | 32°C / 90°F | 25°C / 77°F | 210 mm | 14 | 0 |
| May | 32°C / 90°F | 25°C / 77°F | 210 mm | 15 | 0 |
| June | 32°C / 90°F | 25°C / 77°F | 170 mm | 13 | 0 |
| July | 31°C / 88°F | 24°C / 75°F | 200 mm | 15 | 0 |
| August | 31°C / 88°F | 24°C / 75°F | 225 mm | 16 | 0 |
| September | 31°C / 88°F | 24°C / 75°F | 290 mm | 19 | 0 |
| October | 31°C / 88°F | 24°C / 75°F | 365 mm | 21 | 0 |
| November | 31°C / 88°F | 24°C / 75°F | 260 mm | 19 | 0 |
| December | 31°C / 88°F | 24°C / 75°F | 150 mm | 13 | 0 |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Penang (George Town) in September →
Frequently asked questions
How hot is Penang (George Town) in September?
In September, Penang (George Town) averages a high of 31°C (88°F) and a low of 24°C (75°F) — generally hot.
Does it rain a lot in Penang (George Town) in September?
September is quite rainy in Penang (George Town), with about 19 rainy days on average.
Is September a good time to visit Penang (George Town)?
September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Penang (George Town) in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Penang (George Town) for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.