Extreme Heat in Jakarta, Clear Skies in Denpasar and Surabaya on September 13, 2026

Jakarta Experiences Extreme Heat, Temperatures Reach 36 Degrees
Jakarta is forecast to experience extreme heat on Sunday, September 13, 2026, with a high of 36 degrees Celsius and a low of 26 degrees Celsius. The chance of rain today is 10 percent.
Jakarta's air quality was heavily polluted at 6:00 a.m. Outdoor activities in Jakarta are considered less than optimal today, and residents who continue outdoor activities are advised to be alert to the risk of heatstroke and limit their time under the hot sun.
Denpasar Clear, Clean Air and Smooth Driving Conditions
Denpasar is forecast to be clear on September 13, 2026, with a high of 32 degrees Celsius and a low of 23 degrees Celsius. The chance of rain is 10 percent, and air quality today is rated good. Driving conditions in Denpasar are considered very good today.
Outdoor activities in Denpasar are considered less than optimal today, and the mosquito index indicates a more active population, so residents spending time outdoors are advised to use mosquito repellent lotion.
Surabaya Clear, Air Quality Moderately Polluted
Surabaya is forecast to be clear on September 13, 2026, with a high of 34 degrees Celsius and a low of 24 degrees Celsius. The chance of rain is 10 percent. Driving conditions in Surabaya are considered very good today.
Surabaya's air quality is moderately polluted today, and outdoor activities are considered less than optimal. Residents exercising outdoors are advised to choose the morning, before temperatures peak in the afternoon. The mosquito index indicates a sparse and not very active population.




