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Weather in East Java for September 2026

Your guide to East Java weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in East Java at the beginning of September is 34.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 33.6 °C by the end of September.

  • Rain 🌧️

  • The climate of East Java in September is notably wet, with an average of 15 rainy days, and a total of 92.2 mm of precipitation.

  • More

  • Is September a good time to visit East Java? check out the best time to travel to East Java page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
34°/21°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
69 %
Avg humidity

East Java Weather September

Move between months or click on a day

What’s the Weather Like in East Java This September?

Discover the average temperatures and weather trends across East Java’s cities this September.

Temperatures trend during September in East Java

See the weather trend as well as the moving average line

September weather in East Java day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
34° /19° 0.1 mm 8
2 Sept. Sunny
Sunny
35° /20° 0.3 mm 9
3 Sept. Patchy rain possible
Patchy rain possible
35° /20° 0.3 mm 9
4 Sept. Patchy rain possible
Patchy rain possible
34° /20° 0.8 mm 8
5 Sept. Patchy light drizzle
Patchy light drizzle
34° /21° 0.7 mm 9
6 Sept. Patchy rain possible
Patchy rain possible
35° /20° 0 mm 9
7 Sept. Patchy rain possible
Patchy rain possible
34° /20° 0.1 mm 9
8 Sept. Light rain shower
Light rain shower
33° /21° 0.8 mm 8
9 Sept. Light rain shower
Light rain shower
34° /21° 5.1 mm 9
10 Sept. Light rain shower
Light rain shower
33° /21° 15.5 mm 8
11 Sept. Patchy rain possible
Patchy rain possible
32° /22° 5.9 mm 8
12 Sept. Patchy rain possible
Patchy rain possible
35° /21° 0.4 mm 9
13 Sept. Sunny
Sunny
34° /20° 0.8 mm 9
14 Sept. Partly cloudy
Partly cloudy
35° /20° 0 mm 10
15 Sept. Patchy rain possible
Patchy rain possible
34° /21° 0.3 mm 9
16 Sept. Partly cloudy
Partly cloudy
34° /21° 1.1 mm 9
17 Sept. Sunny
Sunny
33° /21° 1.4 mm 9
18 Sept. Sunny
Sunny
33° /21° 1.8 mm 9
19 Sept. Sunny
Sunny
34° /21° 0.8 mm 9
20 Sept. Sunny
Sunny
36° /20° 0.8 mm 9
21 Sept. Patchy rain possible
Patchy rain possible
36° /21° 0.9 mm 9
22 Sept. Patchy rain possible
Patchy rain possible
36° /21° 0.8 mm 9
23 Sept. Light rain shower
Light rain shower
36° /21° 1.9 mm 9
24 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
33° /20° 9.2 mm 9
25 Sept. Light rain shower
Light rain shower
34° /21° 5.6 mm 8
26 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
33° /21° 13.3 mm 8
27 Sept. Light rain shower
Light rain shower
33° /22° 7 mm 8
28 Sept. Patchy rain possible
Patchy rain possible
34° /22° 3.8 mm 8
29 Sept. Patchy rain possible
Patchy rain possible
35° /21° 6.4 mm 9
30 Sept. Patchy light drizzle
Patchy light drizzle
33° /22° 6.4 mm 9
Next
Important Notice
Our weather forecast for East Java in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the East Java forecast closer to your planned date for the most up-to-date weather information.

East Java weather in September vs August vs October

Compare September weather in East Java with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures32°/20°34°/21°34°/22°
Rainfall31 mm92 mm156 mm
Wind18.6 km/h18.9 km/h17.2 km/h
Humidity71%69%70%
Rainy days11 days15 days24 days
Dry days20 days15 days7 days

Planning a trip to East Java? Discover the best time to visit

East Java in September - FAQ

What are the expected maximum and minimum temperatures in East Java during September?

During September, expect a variety of temperatures with highs around 34° and lows near 21°, suitable for diverse activities and preferences.

How much rainfall should be expected in East Java during September?

Moderate rainfall is anticipated in East Java during September, with a total of 92.2 mm spread over approximately 15 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in East Java during September?

The average wind speed in East Java during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to East Java in September?

As you prepare for your trip to East Java in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in East Java, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in East Java

Explore the daily rainfall trends and prepare for East Javas September weather 💧
Typically, East Java has 15 rainy days in September with a total of 92.2 mm of rainfall.

UV exposure in East Java during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in East Java
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Quick links

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Location coordinates Where is East Java?

Get accurate weather forecasts for East Java, located at latitude -7.748 and longitude 112.22. Stay updated with localized weather information tailored for East Java.

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