BestDateWeather
✈️ Plan my tripPlan trip
Pattaya, Thailand · Tropical

Pattaya in September: go or not?

Mixed period. Pattaya in September: 4.8/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 12.93°N · 100.88°E
⚡ This month's verdict
Why not
Pattaya · September
4.8
26–30°
Temperature
44%
Rain
4h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Aiytan via Unsplash
The month in detail

What to expect in September

In September, Pattaya sees 30°C during the day with 3.6h of sunshine per day. Expect rain on 44% of days — a light raincoat in the bag is recommended.

September ranks 11 out of 12 months in Pattaya. Compared to August: 15 pts more rainy days.

This month's conditions

What it's like in September

UV index
7 · high
sunscreen and hat advised
Feels like
oppressive heat
24°
Sea
30°C
warm, ideal
Daylight
12.1h of daylight
Air quality
good
AQI 21
Compare

Is September the right month?

The best month in Pattaya is January (6.0/10), 1.2 pt higher than September.

See January →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Pattaya

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Thailand

🗣️LanguageThai
💶CurrencyThai Baht (฿)
🚗DrivingLeft-hand
🛡️Safety ⓘSafe · 2/5
💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthApril · 33°C
❄️Coolest monthJuly · 30°C
🌧️Rainiest month ⓘOctober · 46%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Location

Where is Pattaya ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Thailand
Tropical climate with a 6.0 → 4.8 gap between best and worst month. 10 years of ERA5 data to choose by project.
12.93°N · 100.88°E
Questions

Frequently asked questions

What is the best time to visit Pattaya?
January is the best month with 31.0°C highs, 23.0°C lows, 7.4h of sunshine and 5.0% rainy days.
How many hours of sunshine does Pattaya get in January?
Pattaya averages 7.4 sunshine hours per day in January. It is the sunniest month with a climate score of 5.9/10.
What is the rainiest month in Pattaya?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Pattaya in January?
In January, overnight lows reach 23.0°C, while afternoon highs average 31.0°C.
Is Pattaya good in winter?
In winter (December-February), Pattaya scores 5.9/10 on average — Decent period conditions for cultural visits.. The best month overall remains January with a score of 5.9/10.
When should you avoid Pattaya?
September is the most difficult month to visit Pattaya, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Pattaya in September?
In September, the sea averages 30°C in Pattaya: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Pattaya in September?
The average UV index reaches 7 in September in Pattaya (high), with about 12.1h of daylight. Sunscreen and hat advised.