What is the weather like in Yogyakarta in September?

Expect temperatures between 22°C and 31°C with 23% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Yogyakarta in September?

Yogyakarta in September scores 58/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit Yogyakarta in September?

September in Yogyakarta is ideal for: Honeymoon couples, Business travelers.

Yogyakarta Weather in September | 30-Year Forecast

Avg High

31°C

Hottest around day 21

Avg Low

22°C

Coolest around day 1

Rainy Days

14days

23% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Yogyakarta

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

IDR

Rp Indonesian rupiah

Language

Indonesian

Driving

Left side

Connect

The area code for Yogyakarta is 0274....

Safety

High Safety

GPI: 1.8

Travel Intelligence

Exclusive flight analytics & health data for Yogyakarta

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic

20/ 100

Traffic Index

Quieter airport

Peak Daily Arrivals

slots per day

Peak

Jan

Low

May

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Jakarta Soekarno-Hatta (CGK)

Kotamadya Balikpapan Sultan Aji Muhamad Sulaiman (BPN)

Denpasar-Bali Island Ngurah Rai (Bali) (DPS)

Ujung Pandang-Celebes Island Hasanuddin (UPG)

Kuala Lumpur (KUL)

Health & Safety Advisory

CDC travel health recommendations

11 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Indonesia.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Indonesia.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

Malaria

CDC recommends that travelers going to certain areas of Indonesia take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasAll areas of eastern Indonesia (the provinces of Maluku, North Maluku, East Nusa Tenggara, Papua, and West Papua), including the town of Labuan Bajo and the Komodo Islands in the Nusa Tenggara regionRural areas of Kalimantan (Borneo), West Nusa Tenggara (includes the island of Lombok), Sulawesi, and SumatraLow transmission in rural areas of Java, including Pangandaran, Sukabumi, and Ujung KulonNo malaria transmission in the cities of Jakarta (the capital) or UbudNo malaria transmission in the resort areas of Bali or Java, the Gili Islands, or the Thousand Islands (Pulau Seribu)Drug resistanceChloroquine (P. falciparumandP. vivax)SpeciesP. falciparum(60%)P. vivax(40%)P. knowlesi,6P. malariae, andP. ovale(rare)Recommended chemoprophylaxisAtovaquone-proguanil, doxycycline, mefloquine, tafenoquine3Updated April 23, 2025See footnotes

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Yogyakarta?

👌A reasonable choice for your trip(58/100)

Short Answer

Expect challenging weather in Yogyakarta during September - 31°C combined with 78% humidity creates a heat index of 39°C. Air conditioning and strategic planning are essential.

Decision Factors

Oppressive heat and humidity

30.6°C with 78% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 30.6°C

Heat index: 39°C due to 78% humidity

Near active volcano: Mount Merapi

Very High volcanic risk

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Schistosomiasis

Plenty of sunshine

10.4h of sunshine daily

Good For

💑
Honeymoon couples
Wedding score 90/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👨‍👩‍👧‍👦
Families with children
39°C heat index dangerous for children
👴
Elderly travelers
Heat index of 39°C poses health risks
🌡️
Heat-sensitive visitors
39°C feels-like temperature creates discomfort

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Yogyakarta in September averages 31°C with 23% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Yogyakarta in September

What are the temperatures in Yogyakarta in September?

Daytime highs average 31°C, nights drop to 22°C. Temperatures remain fairly consistent.

How many rainy days in Yogyakarta in September?

Expect around 14 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Yogyakarta in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Yogyakarta?

This is shoulder season—moderate prices and manageable crowds.

Yogyakarta Weather in September

Yogyakarta September Weather Calendar