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Solo Weather in September
September in Solo averages 32°C (90°F) during the day and 22°C (72°F) at night. Around 46 mm (1.8 in) of rainfall is typical for this time of year.
Rainfall in Solo in September
Based on our climate data of the past 30 years, about 4 days of rain are anticipated, with 46 mm (1.8 in) on average. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Solo in September
In September, Solo gets very high temperatures, with highs of 32°C (90°F). Nights cool to around 22°C (72°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 22°C (72°F), evenings stay pleasantly warm.If you prefer enjoying temperate temperatures and rain-free days, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Solo Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
32°C (90°F)
Chance of Rain
13%
Precipitation
46 mm (1.8 in)
Rainy days
4 days
Humidity
68% *
* Data from: Surakarta, Indonesia (32 KM, 20 Miles).
Solo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Solo - and find the best time to visit.
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Solo typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Historical weather records for Solo in September
Browse day-by-day weather records for Solo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Solo historical weather extremes in September
Based on weather observations in Solo between 2006 and 2026, these are the recorded extremes during September.
- Solo recorded its highest September temperature of 38°C (100°F) on September 24, 2026.
- The coldest September day was on September 6, 2010, with a maximum of 26°C (79°F).
- Solo registered its coldest September night on September 4, 2006, with temperatures dropping to 17°C (63°F).
- The heaviest September precipitation occurred on September 6, 2010, when 27 mm (1.1 in) of precipitation fell.
Best Places in Indonesia in September
Find out more about the weather in Indonesia and which places have the best travel conditions in this month. See all of Indonesia in September →
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).
What to Wear in Solo in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket.
What To Do in Solo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping10/10 -
Outdoor sports8/10
Solo 3-Day Forecast
More climate data for Solo
See the full Solo climate overview or explore weather in Indonesia.
Popular in September
Where to go in September - average daytime high across popular destinations.
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