Weather in Kota Dumai in September
Climate normals based on 10 years of historical data for Kota Dumai, Indonesia.
Average high
31°C
Average low
24°C
Rainfall
267 mm
25 rainy days
Sunshine
0.9h/day
Kelembapan
82%
How Hot Is Kota Dumai in September?
September starts to ease Kota Dumai's heat — 31°C afternoons, 24°C cooler overnights.
Sunshine Hours in September
Persistent cloud limits Kota Dumai to about 0.9h of sun a day in September.
Does It Rain In Kota Dumai In September?
Tropical rains define September: 267mm over 25 days in Kota Dumai.
Is Kota Dumai Humid In September?
Kota Dumai is sticky and humid throughout September: 82% humidity makes the heat feel relentless.
Wind In Kota Dumai In September
Winds stay light in Kota Dumai — averaging 7 kph in September, with mostly still air.
Cloud Cover In Kota Dumai In September
Heavy cloud blankets Kota Dumai in September — averaging 79% cover, with mostly overcast skies.
Cities With Similar Weather In September
Weather in Kota Dumai, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca di Januari | 30°C / 23°C | 270mm | Details → |
| Cuaca di Februari | 31°C / 24°C | 153mm | Details → |
| Cuaca di Maret | 31°C / 24°C | 245mm | Details → |
| Cuaca di April | 31°C / 24°C | 300mm | Details → |
| Cuaca di Mei | 31°C / 24°C | 272mm | Details → |
| Cuaca di Juni | 31°C / 24°C | 192mm | Details → |
| Cuaca di Juli | 31°C / 24°C | 177mm | Details → |
| Cuaca di Agustus | 31°C / 24°C | 251mm | Details → |
| Cuaca di September | 31°C / 24°C | 267mm | |
| Cuaca di Oktober | 31°C / 24°C | 318mm | Details → |
| Cuaca di November | 30°C / 24°C | 413mm | Details → |
| Cuaca di Desember | 30°C / 23°C | 337mm | Details → |