To use cold tea bags as a compress, soak a tea bag in clean water and then place in the refrigerator for 30 minutes. Then, place the tea bags on your eyes. Leave for 10 minutes or so twice daily before removing and rinsing the area with warm water. Source.
September to October is the rainy season in Langkawi and this is the period which most tourists like to avoid. But the fact is even during the rainy season, it rains only for about 2 hours a day but usually in the late afternoon and at night.
Its average daytime temperatures are around 87 degrees Fahrenheit, varying only slightly between annual high temperatures of 90 degrees and low temperatures of 84 degrees. The hottest weather occurs in April. High humidity is a constant in Singapore, with an average relative humidity level of around 84 percent.