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Hatton Weather in September
During September, Hatton experiences high daytime temperatures of 27°C (81°F) and cooler nights around 20°C (68°F). September sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Hatton in September
As part of the rainy season, Hatton sees around 14 days of rain in September, with an average of 252 mm (9.9 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Hatton in September
September in Hatton brings high temperatures, with highs of 27°C (81°F) and nights around 20°C (68°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 20°C (68°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Hatton in September
Expect sunny days throughout the month, with an estimated 190 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, June, July, August and September typically offer the best circumstances for Hatton.
Hatton Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
27°C (81°F)
Chance of Rain
45%
Precipitation
252 mm (9.9 in)
Rainy days
14 days
Humidity
78% *
Sunshine
190 hours *
Percentage Sunshine
*
* Data from: Ratnapura, Sri Lanka (31 KM, 19 Miles).
Hatton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hatton - and find the best time to visit.
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Hatton typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 16°C (61°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 Hatton in September
Browse day-by-day weather records for Hatton spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hatton historical weather extremes in September
Based on 22 years of weather observations (2004-2026), these are the most extreme conditions recorded in Hatton.
- The warmest day in September was on September 28, 2024, with a maximum of 34°C (93°F).
- On September 5, 2004, Hatton saw its coldest September day with temperatures maxing out at 14°C (57°F).
- The coldest night in September in Hatton was on September 1, 2004, with a minimum of 11°C (52°F).
- Peak precipitation in September occurred on September 26, 2004, when 144 mm (5.7 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 Hatton in September
Warm but pleasant conditions in Hatton 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Hatton 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 -
Camping6/10 -
Outdoor sports7/10
Hatton 3-Day Forecast
More climate data for Hatton
Temperature Rainfall Sunshine Humidity
See the full Hatton 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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