2026 Climate Averages

Weather: Bali — September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

September is an excellent time to visit Bali. Hot conditions with temperatures reaching 29°C—stay hydrated and seek shade. This is one of the wettest months—waterproof gear is essential. As peak season, expect higher prices and more tourists. Sea temperature of 28°C is perfect for swimming.

5
GoTripzi Score Fair

Based on weather comfort, crowds, prices, and activity options

Avg High

29°C

Avg Low

25°C

Rainy days

17days

Daylight

12h

Feels like 35°C / 29°C — humidity makes it feel warmer

Rainfall

102mm

Sunshine

11h/day

Humidity

88%

Very Muggy
Sun Strength

9.1

Very High
Wind

15 km/h (gusts 33)

Sea Temp

28°C 🏊 Comfortable

Is September a good time to visit Bali?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:14

Sunset

18:17

12h daylight

Visiting Bali in September: Pros & Cons

Pros

  • Abundant sunshine for beach and outdoor fun
  • Warm sea perfect for swimming and snorkeling
  • One of the best months to visit

Cons

  • Frequent rain may disrupt outdoor activities
  • Peak season — expect crowds and higher prices
  • High humidity makes the heat feel oppressive
  • Very high UV — sunscreen and shade essential

Things to Do in September

Recommended for This Weather

🏊 Swimming & beach activities
🤿 Snorkeling & water sports
🏖️ Beach relaxation & sunbathing
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Bali Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 30°C 26°C 28d (323mm) 9.2h
87% Very Muggy
7.8 Very High
Wet
Feb 31°C 26°C 28d (351mm) 9.1h
87% Very Muggy
7.8 Very High
Wet
Mar 31°C 26°C 30d (327mm) 9.9h
86% Very Muggy
8.3 Very High
Wet
Apr 31°C 26°C 21d (185mm) 10.2h
86% Very Muggy
8.2 Very High
Excellent
May 30°C 26°C 20d (137mm) 10.5h
88% Very Muggy
7.6 Very High
Excellent
Jun 29°C 25°C 17d (77mm) 10.6h
88% Very Muggy
7.2 Very High
Excellent
Jul 28°C 24°C 14d (63mm) 10.8h
88% Very Humid
7.4 Very High
Excellent
Aug 28°C 24°C 13d (51mm) 10.9h
88% Very Humid
8.3 Very High
Excellent
Sep Current 29°C 25°C 17d (102mm) 11h
88% Very Muggy
9.1 Very High
Excellent
Oct 30°C 25°C 20d (167mm) 11.1h
87% Very Muggy
9.4 Very High
Excellent
Nov 30°C 26°C 27d (336mm) 10.1h
88% Very Muggy
8.4 Very High
Wet
Dec 30°C 26°C 28d (328mm) 9.4h
87% Very Muggy
7.8 Very High
Wet

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Your Best MonthJanScore: 8.5

Where to Stay

See hotels, apartments & rentals around Bali – live prices from Booking.com, Expedia, Vrbo and more

Bali

Tropical paradise, including rice terraces, Tegalalang rice terraces and Uluwatu Temple sunset, temple ceremonies, surf beaches, and wellness retreats.

View Full Destination Guide

What to Pack for September

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Tropical Very Busy

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Bali?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is September a good time to visit Bali?
September is typically excellent for visiting Bali, with average highs of 29°C and around 17 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Bali in September?
Nights stay pleasantly warm in Bali during September, around 25°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Bali in September?
With highs of 29°C and lows of 25°C in September, we recommend: Compact umbrella, Waterproof jacket/shell, Water-resistant shoes, Lightweight breathable clothes. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Bali in September?
Bali typically sees around 17 rainy days in September. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Bali in September?
Yes, September is excellent for swimming in Bali! With warm air temperatures around 29°C, the water is comfortable for extended beach sessions. This is peak beach season, so arrive early to secure a good spot at popular beaches.
How many hours of daylight are there in Bali in September?
In September, Bali gets approximately 12 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is September peak season in Bali?
Yes, September is peak season in Bali. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Makassar)

Last Updated: February 2026