Boralesgamuwa Weather in September

During September, Boralesgamuwa experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 25°C (77°F). September sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Boralesgamuwa in September

Boralesgamuwa is in the rainy season in September, with rain on around 14 days and an average of 267 mm (11 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Boralesgamuwa in September

In September, Boralesgamuwa sees very high temperatures, with highs of 30°C (86°F). Nights drop to around 25°C (77°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Boralesgamuwa in September

The month experiences a moderate amount of sunlight, with 189 hours of sunshine. This provides a nice balance between sunshine and rain.

Wind Speed in Boralesgamuwa in September

Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

Average water temperature in September

The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.

September in Boralesgamuwa 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.

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For a detailed overview over the year and the best time to visit Sri Lanka, check out our Boralesgamuwa's climate page.

Boralesgamuwa Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 30°C (86°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 46%  

Precipitation 267 mm (11 in)  

Rainy days 14 days  

Humidity 76% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 189 hours *  

Percentage Sunshine *  

* Data from: Colombo, Sri Lanka (7 KM, 4 Miles).

What to Wear in Boralesgamuwa in September

Warm but pleasant conditions in Boralesgamuwa 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. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Boralesgamuwa in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Boralesgamuwa's climate page.

More climate data for Boralesgamuwa

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Boralesgamuwa climate overview or explore weather in Sri Lanka.