Wellawatta Weather in September

With daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F), September in Wellawatta brings very high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Wellawatta in September

Wellawatta is in the rainy season in September, with rain on around 14 days and an average of 262 mm (10 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.

Temperature in Wellawatta in September

Daytime highs in Wellawatta in September reach 30°C (86°F), with nights around 25°C (77°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. 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 Wellawatta in September

The area experiences a moderate amount of sunshine, with approximately 189 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.

Wind Speed in Wellawatta 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

With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Wellawatta. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Wellawatta Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 30°C (86°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 45%  

Precipitation 262 mm (10 in)  

Rainy days 14 days  

Humidity 76% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 189 hours *  

Percentage Sunshine *  

* Data from: Colombo, Sri Lanka (2 KM, 1 Miles).

What to Wear in Wellawatta in September

Warm but pleasant conditions in Wellawatta 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 Wellawatta 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 Wellawatta's climate page.

More climate data for Wellawatta

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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