Avissawella Weather in September

September in Avissawella typically sees daytime highs of 29°C (84°F) and nighttime lows of 23°C (73°F). September falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Avissawella in September

As part of the rainy season, Avissawella sees around 13 days of rain in September, with an average of 316 mm (12 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 Avissawella in September

In September, expect high temperatures in Avissawella, with highs of 29°C (84°F) and lows of 23°C (73°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Avissawella in September

The days are predominantly sunny, with an estimated total of around 190 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Avissawella. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Avissawella Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 44%  

Precipitation 316 mm (12 in)  

Rainy days 13 days  

Humidity 78% *  

Sunshine 190 hours *  

Percentage Sunshine *  

* Data from: Ratnapura, Sri Lanka (36 KM, 22 Miles).

What to Wear in Avissawella 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! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Avissawella 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 Avissawella's climate page.

More climate data for Avissawella

Temperature Rainfall Sunshine Humidity

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