Weliwita Weather in September

During September, Weliwita experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 25°C (77°F). September sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Weliwita in September

As part of the rainy season, Weliwita sees around 14 days of rain in September, with an average of 269 mm (11 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Weliwita in September

Daytime temperatures in Weliwita reach 31°C (88°F) in September, dropping to 25°C (77°F) at night. For most visitors, the main thing to prepare for is the heat during the day. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Weliwita in September

With about 189 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

Wind Speed in Weliwita in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

Average water temperature in September

The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

September in Weliwita can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
• February
• March
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• 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 Weliwita's climate page.

Weliwita Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 31°C (88°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 46%  

Precipitation 269 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 (11 KM, 7 Miles).

What to Wear in Weliwita in September

Warm but pleasant conditions in Weliwita 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. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Weliwita 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

6/10

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 Weliwita's climate page.

More climate data for Weliwita

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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