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Sigiriya Weather in September
September in Sigiriya averages 34°C (93°F) during the day and 25°C (77°F) at night. Around 57 mm (2.2 in) of rainfall is typical for this time of year.
Rainfall in Sigiriya in September
Typically, you can expect about 9 days of rain this month, with 57 mm (2.2 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Sigiriya in September
In September, Sigiriya gets very high temperatures, with highs of 34°C (93°F). Nights cool to around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.September in Sigiriya has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Sigiriya Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
34°C (93°F)
Chance of Rain
31%
Precipitation
57 mm (2.2 in)
Rainy days
9 days
Sigiriya Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sigiriya - and find the best time to visit.
Daily Historical Temperatures
36-year average (1982-2025)
Based on our historical records, temperatures in Sigiriya typically stay consistent throughout September, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Daily Historical Precipitation
36-year average (1982-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Sigiriya in September
Browse day-by-day weather records for Sigiriya spanning 45 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sigiriya historical weather extremes in September
Our historical data for Sigiriya spans 2004 to 2026, revealing these weather extremes.
- On September 12, 2026, temperatures climbed to 39°C (102°F), marking the warmest September day on record.
- On September 2, 2004, Sigiriya saw its coldest September day with temperatures maxing out at 25°C (77°F).
- Sigiriya registered its coldest September night on September 9, 2007, with temperatures dropping to 21°C (70°F).
Best Places in Sri Lanka in September
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka 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 Sigiriya in September
Pack for serious heat in Sigiriya in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Wet weather is likely, so pack waterproof gear for multiple rainy days.
What To Do in Sigiriya in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping8/10 -
Outdoor sports8/10
Sigiriya 3-Day Forecast
More climate data for Sigiriya
See the full Sigiriya climate overview or explore weather in Sri Lanka.
Popular in September
Where to go in September - average daytime high across popular destinations.
Colombo
30°C (86°F) Galle29°C (84°F) Mirissa29°C (84°F) Hikkaduwa29°C (84°F) Negombo30°C (86°F) Kandy
29°C (84°F) Unawatuna29°C (84°F) Nuwara Eliya28°C (82°F) Bucket list
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