Sun, sea & sand

Kuta, Bali weather in September

Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

92

Holiday weather in September

Excellent

Best time to visit: May – October

Air temperature27°CNight 25°
Sea temperature26.4°Cwarm
Sunshine10hrs / dayof 12.0 h daylight
Rainy days9days / month56 mm

What is the weather like in Kuta, Bali in September?

In September, Kuta, Bali is hot: daytime highs average 27 °C, and even at night it stays warm at around 25 °C. The sea averages 26.4 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 9 rainy days and 56 mm in total. The air is often humid and muggy. All in all, September is an excellent month for a holiday in Kuta, Bali.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score969283
Day27°27°28°
Night25°25°25°
Sea26°26°27°
Sun9 h10 h10 h
Rain days7916

More details for September

Daylight
12 h 3 min06:13 – 18:16
UV index
13 · extremeclear sky, noon (estimate)
Muggy days
30 daysdew point 18 °C or more
Wind
20 km/haverage daily peak
Cloud cover
56 %on average
Hot days
0 days30 °C or more
Time zone
UTC+8Asia/Makassar

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %61 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in September

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Kuta, Bali in September: quick answers

Is Kuta, Bali hot in September?

Yes. In September, Kuta, Bali is hot: daytime highs average 27 °C and nights stay around 25 °C.

Can you swim in Kuta, Bali in September?

Yes. In September the sea averages 26.4 °C – lovely and warm for swimming.

Does it rain much in Kuta, Bali in September?

Rain is frequent, with about 9 rainy days and 56 mm in total.

Kuta, Bali month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)