Welisara Weather in September

September in Welisara sees daytime temperatures around 30°C (86°F) and lows of 25°C (77°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in Welisara in September

Welisara is in the rainy season in September, with rain on around 13 days and an average of 259 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 Welisara in September

If you're visiting Welisara in September, expect highs of 30°C (86°F) and overnight lows around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. 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 Welisara in September

The area enjoys a moderate level of sunlight, with around 189 hours. It's a good balance between sunny and rainy days.

Wind Speed in Welisara 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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for Welisara.

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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 Welisara's climate page.

Welisara Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 30°C (86°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 44%  

Precipitation 259 mm (10 in)  

Rainy days 13 days  

Humidity 76% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 189 hours *  

Percentage Sunshine *  

* Data from: Colombo, Sri Lanka (15 KM, 9 Miles).

What to Wear in Welisara 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! 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Welisara 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 Welisara's climate page.

More climate data for Welisara

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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