Weather Comparison
Side-by-side weather comparison for September
| Metric | Penang | Langkawi | Better |
|---|---|---|---|
| Average HighHigher is warmer | 29°C (84°F) | 29°C (84°F) | Tie |
| Average LowHigher is milder | 25°C (77°F) | 25°C (77°F) | Tie |
| Rain DaysFewer is drier | 26 days | 26 days | Tie |
| PrecipitationLess is drier | 250 mm | 242 mm▲ | Langkawi |
| Sunshine HoursMore is sunnier | 9h/day | 10h/day▲ | Langkawi |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 10 km/h▲ | 15 km/h | Penang |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Langkawi edges ahead as the better destination in September. Langkawi offers 10 hours of daily sunshine with only 26 rain days, while Penang sees 9 sunshine hours and 26 rain days.
Penang can feel quite hot at 29°C, so plan for heat. Langkawi runs hot at 29°C.
For travelers who prioritize dry weather, both cities are equally dry in September. Langkawi receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Penang reaches an average high of 29°C (84°F) and drops to 25°C (77°F) at night during September. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.
Langkawi averages 29°C (84°F) for the high and 25°C (77°F) for the low, with a daily range of 4°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Penang receives approximately 250 mm of rainfall across 26 rain days during September. Rain is frequent, so waterproof gear is essential.
Langkawi sees 242 mm over 26 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 82%.
Highs of 29°C, lows of 25°C, 26 rain days
Highs of 29°C, lows of 25°C, 26 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Penang | Langkawi | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 29°C | 15d | 31°C | 8d |
| Feb | 30°C | 16d | 32°C | 8d |
| Mar | 30°C | 23d | 32°C | 16d |
| Apr | 30°C | 28d | 31°C | 24d |
| May | 30°C | 27d | 30°C | 26d |
| Jun | 30°C | 22d | 30°C | 22d |
| Jul | 30°C | 21d | 29°C | 23d |
| Aug | 30°C | 24d | 29°C | 24d |
| Sep | 29°C | 26d | 29°C | 26d |
| Oct | 29°C | 29d | 29°C | 28d |
| Nov | 29°C | 27d | 29°C | 25d |
| Dec | 29°C | 21d | 29°C | 15d |
Penang Weather in September
Full forecast, packing tips, and activities
Langkawi Weather in September
Full forecast, packing tips, and activities