Bang Khae, Thailand — Weather in September 2026

Climate Overview

Bang Khae, Thailand in September has hot conditions, with highs reaching 31°C (88°F) and afternoons the warmest part of the day. Rain falls on about 25 days this month, totalling around 253 mm.

This month falls at the beginning of Autumn. The combination of heat and frequent rain creates tropical monsoon conditions.

Temperatures remain fairly steady throughout September, with daily highs around 31°C (88°F).

September sees fairly even rainfall, totalling about 253 mm across the month.

The warmest days tend to fall around the 1th, averaging 31.4°C (89°F).

Compared to August, this month is about 1°C cooler with 3 more rainy days.

Monthly September Averages

Temperature

31°C / 25°C

Feels Like

37°C / 31°C

Rain

25 days · 253 mm

Sunshine

8.1h / day

Humidity

82% — Very Muggy

Wind

13 km/h

Wind Direction

SW (228°)

Gusts

30 km/h

Daylight

12.2 h

Cloud Cover

89%

Clear Sky Days

0.1

UV Index

7.3 — Very High

Dew Point

25°C — Oppressive

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:07

Daylight 12.2h

Sunset 18:20

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.

Recent yearly records for September have stayed close to the long-run average.

Compare Months

3days (21 mm) Excellent

2days (17 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January best	31°C / 22°C	34°C / 24°C	3days (21 mm) Excellent	10.1h Excellent	68% Muggy	7.2 Very High	Excellent	View Details
February	32°C / 23°C	36°C / 27°C	4days (23 mm) Good	10.7h Excellent	69% Muggy	8 Very High	Fair	View Details
March	33°C / 26°C	38°C / 31°C	5days (38 mm) Good	10.8h Excellent	72% Muggy	8.9 Very High	Poor	View Details
April	34°C / 27°C	40°C / 32°C	9days (71 mm) Wet	10.8h Excellent	71% Muggy	8.9 Very High	Poor	View Details
May	33°C / 27°C	39°C / 33°C	18days (141 mm) Wet	10h Excellent	75% Muggy	8.1 Very High	Wet	View Details
June	32°C / 26°C	38°C / 32°C	20days (110 mm) Wet	9.5h Good	76% Humid	7.1 Very High	Wet	View Details
July	32°C / 26°C	37°C / 31°C	24days (156 mm) Wet	8.3h Good	78% Humid	6.3 High	Wet	View Details
August	32°C / 26°C	37°C / 31°C	22days (140 mm) Wet	8.5h Good	78% Humid	7.9 Very High	Wet	View Details
September	31°C / 25°C	37°C / 31°C	25days (253 mm) Wet	8.1h Good	82% Humid	7.3 Very High	Wet	View Details
October	31°C / 25°C	36°C / 29°C	20days (205 mm) Wet	8.8h Good	82% Humid	7.5 Very High	Wet	View Details
November	31°C / 24°C	35°C / 27°C	10days (69 mm) Wet	9.2h Good	75% Muggy	6.9 High	Fair	View Details
December best	30°C / 22°C	33°C / 24°C	2days (17 mm) Excellent	9.7h Good	66% Muggy	6.8 High	Excellent	View Details

What to Wear

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

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketWaterproof shoesBreathable clothingSunscreen (SPF 30+)Sun hatSunglasses

Frequently Asked Questions

Expand all

Is September a good time to visit Bang Khae?

September is typically wet for visiting Bang Khae, with average highs of 31°C (88°F) and around 25 rainy days. Bang Khae, Thailand in September has hot conditions, with highs reaching 31°C (88°F) and afternoons the warmest part of

Does it rain a lot in Bang Khae in September?

Bang Khae typically sees around 25 rainy days in September with 253 mm (10 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Bang Khae in September?

Nights stay pleasantly warm in Bang Khae during September, around 25°C (78°F). Light evening wear is sufficient.

What should I pack for Bang Khae in September?

With highs of 31°C (88°F) and lows of 25°C (78°F) in September, we recommend: Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). Comfortable walking shoes are essential.

Is September among the best months weather-wise in Bang Khae?

September is not the most favourable month weather-wise in Bang Khae. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Bang Khae in September?

The average UV index in Bang Khae during September is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Bang Khae in September?

Bang Khae gets approximately 12 hours of daylight per day in September, with around 8 hours of sunshine.

Does it snow in Bang Khae in September?

Snow is uncommon in Bang Khae during September based on 10-year climate averages.

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