Rajagiriya weather in September (Sri Lanka)

Can you expect sunny skies in Rajagiriya in September? Check out this detailed guide to the month’s weather conditions.

Temperatures

September in Rajagiriya generally includes very high temperatures and heavy rainfall. The temperature during the day can rise to approximately 30°C. At night, it falls to around 25°C. Although these are the average temperatures, expect warmer days occasionally. Wear cool clothing and stay hydrated to manage the heat.

Precipitation

Rajagiriya in September falls under the rainy season with heavy rainfall, averaging around 263 mm for the month. Records from the past 30 years suggest that around 14 days will experience rain.

Average sunshine

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

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Rajagiriya. January, February and March typically offer the most agreeable circumstances. On the other hand, April, May, June, July, August, September, October and November tend to be characterized by conditions that may not be as optimal.

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

 

Rajagiriya, monthly averages in September

Min Temperature 25°C  

Max Temperature 30°C  

Water Temperature 28°C *  

Chance of Rain 46%  

Precipitation 263 mm  

Rainy days 14 days  

Humidity 76% *  

Windspeed 7 km/h *  

Sunshine 189 hours *  

Percentage Sunshine *  

Data from: Colombo, Sri Lanka (3 KM, 2 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.

Weather conditions Weather

Temperatures

Precipitation

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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. With a water temperature of around 28°C this is a great month to swim so bring your swimwear.

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

7/10

Outdoor sports

7/10

Interested in more climate information?

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

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.