Surabaya weather in September 2025

The weather in Surabaya in September is very hot. The average temperatures are between 26°C and 33°C, drinking water regularly is advisable.

You can expect a few rainy days in Surabaya during September, but usually the weather is comfortable in September.

Our weather forecast can give you a great sense of what weather to expect in Surabaya in September 2025.

If you’re planning to visit Surabaya in the near future, we highly recommend that you review the 14 day weather forecast for Surabaya before you arrive.

Temperatures

33° / 26°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.9

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 33° /24°	2 33° /24°	3 34° /24°	4 33° /24°	5 32° /24°	6 32° /25°
7 32° /25°	8 32° /25°	9 32° /24°	10 32° /24°	11 32° /24°	12 32° /25°	13 30° /25°
14 32° /24°	15 33° /24°	16 32° /25°	17 33° /25°	18 32° /25°	19 33° /24°	20 33° /25°
21 33° /25°	22 33° /25°	23 33° /25°	24 31° /25°	25 33° /25°	26 33° /25°	27 33° /25°
28 33° /25°	29 33° /25°	30 33° /25°

Explore the weather in Surabaya in other months

Surabaya annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	31° / 26°	19	12	365 mm	Ok	Surabaya in January
February	31° / 25°	17	11	359 mm	Ok	Surabaya in February
March	31° / 26°	17	14	320 mm	Ok	Surabaya in March
April	31° / 26°	10	20	180 mm	Ok	Surabaya in April
May	32° / 26°	5	26	109 mm	Good	Surabaya in May
June	31° / 26°	2	28	50 mm	Good	Surabaya in June
July	31° / 25°	2	29	35 mm	Good	Surabaya in July
August	32° / 25°	1	30	14 mm	Good	Surabaya in August
September	33° / 26°	1	29	23 mm	Good	Surabaya in September
October	33° / 27°	2	29	53 mm	Good	Surabaya in October
November	33° / 27°	6	24	130 mm	Good	Surabaya in November
December	32° / 26°	15	16	256 mm	Ok	Surabaya in December