2026 Climate Averages

Weather: Hong Kong — September

It's a rainy period, but great for indoor activities, museums, and lower prices.

☔ Climate Overview

September is a wet time to visit Hong Kong. Hot conditions with temperatures reaching 31°C—stay hydrated and seek shade. This is one of the wettest months—waterproof gear is essential. Being off-peak, you'll find better deals and fewer crowds.

6.1
GoTripzi Score Good

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

Avg High

31°C

Avg Low

27°C

Rainy days

21days

Daylight

12.3h

Feels like 38°C / 32°C — humidity makes it feel warmer

Rainfall

288mm

Sunshine

9.3h/day

Humidity

82%

Very Muggy
Sun Strength

6.9

High
Wind

15 km/h (gusts 34)

Is September a good time to visit Hong Kong?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Now

--

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

Air Quality

Travel Context

  • Crowds
    Quiet
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:11

Sunset

18:29

12.3h daylight

Visiting Hong Kong in September: Pros & Cons

Pros

  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Cons

  • Frequent rain may disrupt outdoor activities
  • High humidity makes the heat feel oppressive

Things to Do in September

Events & Festivals

🎭
Mid-Autumn Festival
September/October Cultural

Recommended for This Weather

🌅 Early morning sightseeing (before the heat)
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Hong Kong Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 19°C 14°C 3d (11mm) 8.2h
72% Humid
5.2 High
Good
Feb 20°C 15°C 6d (38mm) 7.8h
79% Humid
5.6 High
Good
Mar 23°C 19°C 9d (59mm) 8.3h
82% Very Humid
6.3 High
Excellent
Apr 26°C 22°C 12d (98mm) 8.9h
82% Very Humid
7.2 Very High
Excellent
May 29°C 25°C 22d (251mm) 8.7h
84% Very Muggy
7 High
Wet
Jun 31°C 27°C 26d (291mm) 8.6h
86% Very Muggy
6.9 High
Wet
Jul 32°C 28°C 22d (233mm) 10.1h
82% Very Muggy
8 Very High
Wet
Aug 31°C 27°C 27d (327mm) 8.6h
85% Very Muggy
6.8 High
Wet
Sep Current 31°C 27°C 21d (288mm) 9.3h
82% Very Muggy
6.9 High
Wet
Oct 28°C 24°C 9d (173mm) 8.7h
75% Humid
6.2 High
Excellent
Nov 25°C 20°C 5d (42mm) 8.1h
75% Humid
5.2 High
Excellent
Dec 20°C 15°C 3d (12mm) 8h
70% Humid
5 Moderate
Excellent

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthMayScore: 8
1.May
82.Jun
7.63.Jul
7.64.Aug
7.65.Sep
7.16.Jan
77.Feb
68.Mar
5.69.Oct
5.610.Nov
5.611.Apr
5.212.Dec
5.2

Where to Stay

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

Open map in new tab

Hong Kong

Vertical city of dim sum and neon, with Peak Tram and Star Ferry skyline views, harbour lights, and easy hikes like Dragon's Back.

View Full Destination Guide

What to Pack for September

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. 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.

Warm Quiet

🎒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 Hong Kong?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is September a good time to visit Hong Kong?
September is typically wet for visiting Hong Kong, with average highs of 31°C and around 21 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 Hong Kong in September?
Nights stay pleasantly warm in Hong Kong during September, around 27°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 Hong Kong in September?
With highs of 31°C and lows of 27°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 Hong Kong in September?
Hong Kong typically sees around 21 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.
How many hours of daylight are there in Hong Kong in September?
In September, Hong Kong gets approximately 12.3 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 Hong Kong?
No, September is not peak season in Hong Kong. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

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

Solar calculations: SunCalc (timezone: Asia/Hong_Kong)

Last Updated: February 2026

More Hong Kong Guides

Best Time to Visit

Coming soon

Things to Do

Coming soon

Where to Stay

Best neighborhoods and hotel recommendations

Find Hotels →

Cost & Budget

Daily costs, money-saving tips, and budget breakdown

Read Guide →

Itineraries

Coming soon

Overview

Complete travel guide for Hong Kong: top things to do, itineraries, and typical costs.

Read Full Guide →