Season guide · Bangkok · Thailand
Bangkok in the late rainy season
September–October: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Photo: กสิณธร ราชโอรส, CC BY-SA 4.0
Quick answer
The wettest weeks, with long downpours and occasional street flooding, easing by late October. Expect highs up to 32°C (90°F) and lows around 25°C (77°F), with about 38 rainy days across September–October.
Key facts
- Months
- September–October
- Temperatures
- 25°C (77°F) to 32°C (90°F)
- Rainy days in the season
- About 38
- Crowds
- Moderate
- Hotel prices
- Average
Weather in the late rainy season
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| September | 32°C (90°F) | 25°C (77°F) | 21 | 12.2 h | 2/5 |
| October | 32°C (90°F) | 25°C (77°F) | 17 | 11.8 h | 3/5 |
Compared with the rest of the year: average highs of 32°C (90°F) against a yearly 33°C (91°F), and 38 of the year's roughly 124 rainy days fall in these 2 months. Crowds rate 3/5 and hotel prices 3/5 on average.
What's on in the late rainy season
Recurring events; dates move from year to year, so confirm with the organiser.
- September: Vegetarian Festival in Chinatown, marked by yellow flags (usually September or October)
- October: Ok Phansa — end of Buddhist Lent (usually October)
Good choices for the late rainy season

Museum · Rattanakosin
Bangkok National Museum
Use it as a rainy-season retreat in the old town; the Grand Palace is about a 10-minute walk away.
- Time needed
- 2 hours
- Cost
- Low cost
- History
- Art
- Rainy day

Museum · Rattanakosin
Museum Siam
In a colonial-era former ministry building near Wat Pho, Museum Siam uses interactive, playful exhibits to explore what it means to be Thai, from food and festivals to history and language.
- Time needed
- 1.5 hours
- Cost
- Low cost
- Kids
- Rainy day
- History
Waterfront · Thonburi riverside
ICONSIAM
Eat dinner at SookSiam, then watch the river from the terrace; arrive by shuttle boat or the Gold Line monorail.
- Time needed
- 2–3 hours
- Cost
- Free
- Shopping
- Food
- Rainy day
- Free
- Kids

Gallery · Pathum Wan
Bangkok Art and Culture Centre
A spiralling white atrium beside BTS National Stadium houses free exhibitions of contemporary Thai and international art, plus small independent galleries, craft shops and cafés.
- Time needed
- 1–1.5 hours
- Cost
- Free
- Free
- Art
- Rainy day

Museum · Pathum Wan
Jim Thompson House
Combine it with the Bangkok Art and Culture Centre near BTS National Stadium, a few minutes' walk away.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- History
- Architecture
- Art
- Rainy day
Day trips in the late rainy season
- Kanchanaburi (About 2.5–3 hours by train or car) — The town on the River Kwai is known for the bridge on the Death Railway, built by Allied prisoners of war and Asian labourers in 1942–43, with war cemeteries and the Thailand–Burma Railway Centre museum.
- Ko Kret (About 1 hour by taxi and ferry) — A small island in the Chao Phraya north of the city, home to a Mon community and its pottery workshops.
What to pack
- Light, breathable clothes, a sun hat and high-factor sunscreen
- A compact umbrella and waterproof shoes — rain is frequent
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is the late rainy season a good time to visit Bangkok?
It is a trade-off: The wettest weeks, with long downpours and occasional street flooding, easing by late October. The best months overall are November–February.
+What is the weather like in Bangkok in the late rainy season?
Highs of up to 32°C (90°F) and lows around 25°C (77°F), with about 38 rainy days over the season.