Central Java Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Central Java, Indonesia in September.

🔎
Semarang Solo Borobudur Magelang

Considering a trip to Central Java, Indonesia this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Central Java in September

Central Java, Indonesia is a region in Indonesia. September in Central Java generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to high.

Temperatures

During the day temperatures vary from warm in Wonosobo at 28°C (82°F) to very warm in Cepu at 35°C (95°F). At night it cools down to 23°C (73°F) in Cepu and 19°C (66°F) in Wonosobo. In Central Java, Indonesia, September typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

For a closer look at conditions across Central Java, Indonesia, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Karimunjawa with an average of 33 mm (1.3 in) to high rainfall in Wonosobo with 130 mm (5.1 in).

Explore Central Java by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Central Java in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Central Java.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Central Java

What is the weather like in September for some of the most popular destinations in Central Java, Indonesia?

Temperature range in Central Java (September)

Precipitation variation in Central Java (September)

Semarang

In September Semarang generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
33°C (91°F)
33°C (91°F)
33°C (91°F)
Min temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Monthly rainfall
28 mm (1.1 in)
48 mm (1.9 in)
134 mm (5.3 in)
Monthly rainy days
4 days
5 days
8 days
Weather conditions
perfect
pleasant
tolerable
Climate in Semarang →

Solo

In September Solo generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
32°C (90°F)
33°C (91°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly rainfall
22 mm (0.9 in)
46 mm (1.8 in)
140 mm (5.5 in)
Monthly rainy days
3 days
4 days
7 days
Weather conditions
perfect
pleasant
tolerable
Climate in Solo →

Borobudur

In September Borobudur generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 20°C (68°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
19°C (66°F)
20°C (68°F)
21°C (70°F)
Monthly rainfall
61 mm (2.4 in)
98 mm (3.9 in)
218 mm (8.6 in)
Monthly rainy days
4 days
5 days
8 days
Weather conditions
perfect
perfect
unpleasant
Climate in Borobudur →

Magelang

In September Magelang generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
18°C (64°F)
19°C (66°F)
20°C (68°F)
Monthly rainfall
72 mm (2.8 in)
112 mm (4.4 in)
232 mm (9.1 in)
Monthly rainy days
5 days
6 days
9 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Magelang →

Salatiga

In September Salatiga generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 21°C (70°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
20°C (68°F)
21°C (70°F)
22°C (72°F)
Monthly rainfall
40 mm (1.6 in)
67 mm (2.6 in)
168 mm (6.6 in)
Monthly rainy days
5 days
6 days
9 days
Weather conditions
pleasant
pleasant
tolerable
Climate in Salatiga →

Is your destination not in the list? Have a look at all destinations in Central Java, in Indonesia.

In our records: Indonesia September extremes

Notable September records observed across cities in Indonesia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Indonesia was 18°C (64°F) in Bandung on September 23, 2003.

Popular cities in September

Day & night temperatures, rainfall and average weather in Central Java in September.

City Weather Day temp Night temp Rainfall
Semarang 33°C (91°F) 24°C (75°F) 48 mm (1.9 in)
Solo 32°C (90°F) 22°C (72°F) 46 mm (1.8 in)
Borobudur 29°C (84°F) 20°C (68°F) 98 mm (3.9 in)
Magelang 28°C (82°F) 19°C (66°F) 112 mm (4.4 in)
Salatiga 31°C (88°F) 21°C (70°F) 67 mm (2.6 in)
Cepu 35°C (95°F) 23°C (73°F) 34 mm (1.3 in)

Central Java weather in September: frequently asked questions

What is the weather like in Central Java, Indonesia in September?

In September, Central Java, Indonesia generally has unpleasant weather conditions. Semarang sees daytime temperatures near 33°C (91°F), with nights cooling to roughly 24°C (75°F).

What is the average temperature in Central Java, Indonesia in September?

Semarang averages a daytime maximum of 33°C (91°F) in September, with overnight lows close to 24°C (75°F).

Does Central Java, Indonesia get a lot of rain in September?

September is on the drier side in Central Java, Indonesia. Semarang averages only about 48 mm (1.9 in), with most days staying dry.

Is September a Good Time to Visit Central Java, Indonesia?

Given the typically pleasant weather conditions in Semarang, September might be a good time to visit Central Java, Indonesia.

Generally speaking, June, July and August provide tolerable weather in Semarang. On the other hand, the weather in January, February, March, April, October, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Central Java.

Weather and climate has detailed information for every country in the world. Are you going to Indonesia? Get detailed historical weather averages for many cities in Indonesia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

10 Hidden gems in Asia you need to visit

Explore 10 hidden gems in Asia offering authentic experiences, from pristine beaches and remote islands to cultural treks and peaceful mountain villages.
The ultimate guide to Ubud – everything you need to know to escape the crowds

There is a way to experience Ubud in a fantastic less crowded way and this article will be your guide how to do that. Find the best places to stay, where to eat and much more.
Top 5 hidden gem islands in Indonesia

Discover Indonesia's secret islands: pristine beaches, rich history, and vibrant culture await beyond Bali and Java. Dive into untouched paradise.
Six Organic Farms & Farmstays in Indonesia

We've compiled a list of organic farms in Indonesia that have a positive impact on their communities - they could use your help during this pandemic.
Must visit in Indonesia →