Bali weather in September
Bali in September averages 27°C (80°F), 30 mm of rain and 8.9 hours of sun a day.
Of the twelve months in Bali, September is the third coldest, the third driest and the third sunniest.

- Average temp
- 27°C (80°F)
24–30°C · 75–86°F
- Rainfall
- 30 mm
Not much rain
- Sunshine
- 8.9 h
hours per day
What is Bali like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Rain is usually light.
Evening
Evenings stay warm.
What should I pack for Bali in September?
High-factor sun cream
With 8.9 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
Comfortable walking shoes you can rinse
Dry warm weather is walking weather, and dust gets into everything.
September compared with August and October
September in Bali is about the same temperature as August and 18 mm wetter than it, which averages 26°C (80°F).
September in Bali is 1°C cooler than October and 43 mm drier than it, which averages 28°C (82°F).
Daylight in Bali in September
On 15 September the sun is up for 12 hours 3 minutes in Bali, rising about 06:12 and setting about 18:16 local time.
September ends 13 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 34 minutes short of December, the longest-lit month here.
Where to stay in Bali
Dates are a starting point for September.

Travel guides for Bali
What to read before you book.

Bali weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 28°C / 82°F | 396 mm |
| February | 28°C / 82°F | 289 mm |
| March | 28°C / 82°F | 222 mm |
| April | 28°C / 82°F | 125 mm |
| May | 28°C / 82°F | 76 mm |
| June | 27°C / 81°F | 38 mm |
| July | 26°C / 80°F | 27 mm |
| August | 26°C / 80°F | 12 mm |
| September | 27°C / 80°F | 30 mm |
| October | 28°C / 82°F | 74 mm |
| November | 28°C / 83°F | 132 mm |
| December | 28°C / 83°F | 295 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Bali in September
September climate averages for Bali, 1991–2020.
Bali averages 27°C (80°F) in September, ranging from about 24°C (75°F) at night to 30°C (86°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. September sees only about 30 mm, so rain is unlikely to affect your plans.
No. September averages 27°C (80°F) against 28°C (82°F) in October — 1°C cooler.
September is about as warm as August, and 18 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 8.9 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 3 minutes of daylight in mid-September, against 12 hours 37 minutes in December and 11 hours 38 minutes in June.
On 15 September, sunrise is about 06:12 and sunset about 18:16 local time. Both shift across the month — the month ends 13 minutes longer than it starts.


