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Deniyaya weather in September (Matara District, Sri Lanka)

What's the typical weather in Deniyaya for September? Check out our in-depth weather guide for this month.

Temperatures

In September, Deniyaya usually has high temperatures and heavy rainfall. You can expect daytime temperatures to reach around 30°C, while the nights will see a decline to about 23°C. These are average temperatures, but there can be hotter days. Be sure to wear appropriate clothing and stay hydrated to manage the heat.

Precipitation

Deniyaya in September falls under the rainy season with heavy rainfall, averaging around 231 mm for the month. Looking at the last 30 years, the data shows about 12 days with rain.

Average sunshine

There are approximately 190 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Deniyaya. July generally stands out with the best circumstances. While April, May, September, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Deniyaya climate page with graphs.

 

Deniyaya, monthly averages in September

Min TemperatureMin Temperature 23°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 40%  
PrecipitationPrecipitation 231 mm  
Rainy daysRainy days 12 days  
HumidityHumidity 78% *  
SunshineSunshine 190 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Ratnapura, Sri Lanka (41 KM, 25 Miles).

Where to go in Sri Lanka in September

Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Deniyaya.

Our site offers climate and forecast data for every country in the world. Are you going to Sri Lanka? On this website you can find historical weather averages for many cities in Sri Lanka. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.