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Ambalangoda Weather in September
September in Ambalangoda brings high temperatures around 29°C (84°F) during the day, dropping to 25°C (77°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Ambalangoda in September
Ambalangoda is in the rainy season in September, with rain on around 13 days and an average of 295 mm (12 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Ambalangoda in September
September in Ambalangoda brings high temperatures, with highs of 29°C (84°F) and nights around 25°C (77°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Ambalangoda in September
The month brings about 180 hours of sunlight, offering a comfortable mix of sun and rainy moments.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for Ambalangoda.
Ambalangoda Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
42%
Precipitation
295 mm (12 in)
Rainy days
13 days
Sunshine
180 hours *
Percentage Sunshine
*
* Data from: Galle, Sri Lanka (26 KM, 16 Miles).
Ambalangoda Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ambalangoda - and find the best time to visit.
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Ambalangoda typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Daily Historical Precipitation
43-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Ambalangoda in September
Browse day-by-day weather records for Ambalangoda spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ambalangoda historical weather extremes in September
Based on 22 years of weather observations (2004-2026), these are the most extreme conditions recorded in Ambalangoda.
- On September 17, 2020, temperatures climbed to 37°C (99°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 26, 2004.
- The coldest night in September in Ambalangoda was on September 25, 2020, with a minimum of 9°C (48°F).
- Peak precipitation in September occurred on September 5, 2017, when 102 mm (4 in) of precipitation was measured.
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 Ambalangoda in September
Warm but pleasant conditions in Ambalangoda in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Ambalangoda in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Ambalangoda 3-Day Forecast
More climate data for Ambalangoda
See the full Ambalangoda 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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