Weather · September

Thailand weather in September

Temperature, rain, what to pack, this month's events and prices

Thailand

September in Thailand: an average of 27°, about 8 mm of rain for the month. Roughly 12h 4m of daylight, with light from about 06:16 to 18:20. September is comfortable for a trip to Thailand — good weather without the peak. A reasonable balance of price and experience.

The weather in detail

Thailand in September

Average temp27°
Rain this month8 mm
Daylight12.1 h
Sun06:16-18:20
Seasonshoulder/low season, better prices
Day by day

Every day in September, the multi-year average

S
M
T
W
T
F
S
128°
228°
328°
428°
528°
628°
728°
828°
928°
1027°
1128°
1228°
1328°
1427°
1527°
1627°
1727°
1827°
1927°
2028°
2127°
2228°
2327°
2427°
2527°
2627°
2727°
2827°
2927°
3027°
27°The month's average temperature range (30-year average, not a forecast)28°
What to do

September in Thailand, what works

One of the easy months: wander the city all day, sit at outdoor cafés, take walks and mix in some beach time. Evenings are pleasant for dinner outside.

What to pack: One layer by day, something light for the evening. Perfect for walking and sitting outside.

What's on in September

Holidays & events in Thailand

Peak monsoon on the Andaman coast (Phuket, Krabi) — bursts of rain, rough seas, low prices.

On public holidays banks and offices close, some sites change hours and transport shifts, but it's also the best way to see living tradition.

Questions & answers

September in Thailand, FAQ

Do I need a coat in Thailand in September?
One layer by day, something light for the evening. Perfect for walking and sitting outside.
Can you sit outside at cafés in Thailand in September?
Yes, on most days sitting outside is pleasant, especially during the day and early evening.
Does it snow in Thailand in September?
No. Temperatures are well above freezing.
How many hours of daylight in Thailand in September?
About 12h 4m of daylight. The sun rises around 06:16 and sets around 18:20. Plan sightseeing around the light.
Is September a good time to visit Thailand?
September is comfortable for a trip to Thailand — good weather without the peak. A reasonable balance of price and experience.
Plan the trip

Thailand — flights & hotels

Check prices for your dates. Booking early is well below the last-minute price.

Check flight prices to Thailand, every airline at once.

Rates in Thailand shift daily. See what your night costs now.

← AugustThailand, all yearOctober →

About this page

Written and checked by the Around the World team. We compare prices across the major providers, cross-check official sources, and update when something changes. We have no stake in any one provider — links are affiliate links, and the price is the same for you.

Sources: Climate: Open-Meteo 1991-2020 · Daylight: astronomical calculation · Holidays: date-holidays dataset