Last updated: August 23, 2025
In September, the average temperature in Kota Binjai, Indonesia hovers at a delightful 27°C (81°F). Expect a comfortable range with minimums around 23°C (74°F) and maximums peaking at 34°C (93°F). However, be prepared for occasional rain, as 133 mm (5.2 in) of precipitation can occur over 22 days. With an average humidity of 86%, the air may feel a bit muggy, so keep this in mind while planning your activities!
In September in Kota Binjai, the average temperature is 27°C (81°F). Maximums can reach up to 34°C (93°F), while minimums can drop to as low as 23°C (74°F). It's a great time to visit for warm weather and plenty of sunshine!
In Kota Binjai in September, the precipitation amount is 133 mm (5.2 in) over the course of 22 days.
In Kota Binjai in September, humidity is 86%. With an average temperature of 27°C (81°F), this humidity feels like walking through a steamy blanket, making traveling feel heavy and exhausting as each step absorbs the warm, moist air.
In Kota Binjai in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Kota Binjai, you can check here.
UV Risk Categories
Weather in Kota Binjai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kota Binjai, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (80°F) | 149 mm (5.9 inches) | 80% | extreme |
| February Weather | 27°C (81°F) | 59 mm (2.3 inches) | 73% | extreme |
| March Weather | 28°C (82°F) | 77 mm (3.0 inches) | 74% | extreme |
| April Weather | 28°C (83°F) | 134 mm (5.3 inches) | 69% | extreme |
| May Weather | 28°C (83°F) | 177 mm (7.0 inches) | 75% | extreme |
| June Weather | 28°C (83°F) | 93 mm (3.6 inches) | 81% | extreme |
| July Weather | 28°C (83°F) | 88 mm (3.5 inches) | 79% | extreme |
| August Weather | 28°C (83°F) | 124 mm (4.9 inches) | 84% | extreme |
| September Weather | 27°C (81°F) | 133 mm (5.2 inches) | 86% | extreme |
| October Weather | 27°C (81°F) | 187 mm (7.4 inches) | 86% | extreme |
| November Weather | 27°C (80°F) | 277 mm (10.9 inches) | 86% | extreme |
| December Weather | 26°C (80°F) | 343 mm (13.5 inches) | 86% | extreme |