September 16 Weather: Jakarta Hot and Polluted, Denpasar Sunny and Cool

Jakarta: Scorching Heat, Variable Air Quality

Jakarta is forecast to be sunny on Wednesday, September 16, 2026, with a minimum temperature of 26°C and a maximum of 34°C. The chance of rain is 10 percent.

Jakarta's air quality was recorded as heavily polluted at 06:00, moderately polluted at 09:00, lightly polluted at 12:00, 15:00, and 18:00, and moderately polluted at 21:00. The outdoor activity index is considered less favorable for outdoor activities, and the heatstroke index (WBGT) indicates a risk that requires caution.

Surabaya: Sunny with High Temperatures

Surabaya is forecast to be sunny on Wednesday, September 16, 2026, with a minimum temperature of 23°C and a maximum of 34°C. The chance of rain is 10 percent.

Surabaya's daily air quality is in the moderately polluted category. At 21:00, the air quality was recorded as lightly polluted.

The outdoor activity index is considered less favorable, and the heatstroke index (WBGT) indicates a risk that requires caution. The driving index is rated very good. The mosquito index indicates infrequent or sluggish mosquito activity.

Denpasar: Sunny, with Mosquito Caution

Denpasar is forecast to be sunny on Wednesday, September 16, 2026, with a minimum temperature of 22°C and a maximum of 32°C. The chance of rain is 10 percent.

Air quality in Denpasar is in the good category. The outdoor activity index is considered fairly favorable, although the heatstroke index (WBGT) indicates a risk that requires caution. The mosquito index indicates a potential for mosquito bites, so using mosquito repellent lotion is recommended when engaging in outdoor activities.