Weather in Denpasar-Bali in September 2025
Average weather
Average temperature in Denpasar-Bali in September
Going from a maximum of +82°F during the day to a minimum of +73°F during the night, the temperature in September averages around +81°F.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +81°F to +82°F.
Is Denpasar-Bali warm or cold in September?
Denpasar-Bali is typically warm in September.
Maximum temperatures go up compared to the previous month from +79°F to +81°F. The minimum temperature also goes up from +75°F to +75°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Denpasar-Bali:
Water temperature in Denpasar-Bali in September
Water in Denpasar-Bali in September is Warm. It varies from +78°F to +83°F, with an average of +80°F. This is almost similar to the air temperature, which averages +81°F.
The water temperature in September is one of the coldest of the entire year:
Can you swim in Denpasar-Bali in September?
Climate in Denpasar-Bali in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +79°F | +81°F | +82°F | ||||
| Min. temperature | ||||||
| +70°F | +70°F | +72°F | ||||
| Max. temperature | ||||||
| +86°F | +90°F | +91°F | ||||
| Rainfall | ||||||
| 29 mm | 44 mm | 59 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +80°F | +80°F | +82°F | ||||
| Humidity | ||||||
| 79% | 81% | 82% | ||||
| Air pressure | ||||||
| 1011 HPa | 1011 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 3 | ||||
| Cloudy days | ||||||
| 8 | 6 | 6 | ||||
| Rainy days | ||||||
| 21 | 21 | 20 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting warmer as September arrives. The average maximum temperature goes up from +79°F to +81°F during the day. Prepare for more rain. Average rainfall goes from 29 mm to 44 mm. Humidity rises from 79% to 81%. Winds are calmer in comparison to August, going down from 4 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Denpasar-Bali is gradually decreasing during September, going from 5 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Denpasar-Bali?
Climate Change Over the Years
The climate in Denpasar-Bali in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1986 (+80°F) and the highest in 2020 (+86°F). The driest year was 2015 with only 802 mm of rainfall, and the wettest year was 2017 with 2125 mm.
FAQ
Is September a good time to visit Denpasar-Bali?
Can you sunbathe in Denpasar-Bali in September?
Can you swim in Denpasar-Bali in September?
Is Denpasar-Bali rainy in September?
Is it sunny in Denpasar-Bali in September?
Other cities in Indonesia
Monthly weather in Denpasar-Bali
Source of the data
For this page, we’ve looked at the typical weather in Denpasar-Bali, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.