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Koggala Weather in September
September in Koggala typically sees daytime highs of 29°C (84°F) and nighttime lows of 25°C (77°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Koggala in September
As part of the rainy season, Koggala sees around 12 days of rain in September, with an average of 246 mm (9.7 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Koggala in September
Koggala in September gets highs of 29°C (84°F) during the day and drops to 25°C (77°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Koggala in September
The month brings about 180 hours of sunlight, offering a comfortable mix of sun and rainy moments.If your ideal day consists of dry skies and pleasant temperatures, December typically offers the best circumstances for Koggala.
Koggala Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
39%
Precipitation
246 mm (9.7 in)
Rainy days
12 days
Sunshine
180 hours *
Percentage Sunshine
*
* Data from: Galle, Sri Lanka (14 KM, 8 Miles).
Koggala Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Koggala - and find the best time to visit.
Historical weather records for Koggala in September
Browse day-by-day weather records for Koggala spanning 25 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Koggala historical weather extremes in September
According to our 22 years of weather records for Koggala, the following extremes were recorded between 2004 and 2026.
- The warmest day in September was on September 17, 2020, with a maximum of 37°C (99°F).
- On September 6, 2004, Koggala saw its coldest September day with temperatures maxing out at 26°C (79°F).
- The coldest night in September in Koggala was on September 1, 2020, with a minimum of 11°C (52°F).
- The heaviest September precipitation occurred on September 5, 2017, when 131 mm (5.2 in) of precipitation fell.
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 Koggala in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Koggala 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
Koggala 3-Day Forecast
More climate data for Koggala
See the full Koggala 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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