Bali, Indonesia
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Bali

September beach and weather guide

Based on 5 years of historical ERA5 climate data

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September beach conditions — historical average

Good
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📈 Our data shows more favourable conditions in 2023-2024 compared to 2020-2021 for this destination and time of year
25.2°C Temp
28.4°C Sea temp
10.6 Rain days
10.8h Sunshine hrs
87.4% Humidity
40%

Reliable conditions

2 of 5 years were good

Year by year — mid September

2024 Excellent 26.0°C · 6 rainy days · 11.4h sun
2023 Good 25.2°C · 6 rainy days · 10.8h sun
2022 Good 25.1°C · 14 rainy days · 10.0h sun
2021 Good 24.9°C · 15 rainy days · 10.3h sun
2020 Good 24.9°C · 12 rainy days · 11.3h sun

Other months in Bali

April May June July August September October

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Each trip type is scored on what matters most for it — snow days for skiing, sea temp for beach, sunshine for sightseeing.

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About Bali in September

Based on 5 years of ERA5 historical climate data, September in Bali has historically been good for a beach holiday. Average temperatures of 25.2°C with sea temperatures around 28.4°C and 10.6 rainy days on average.

2 of the last 5 years had good beach conditions during this period. This data uses ERA5 reanalysis records — real historical measurements, not generalised averages.

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