Kalutara District Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Kalutara District, Sri Lanka in September.

Are you planning a trip a to Kalutara District, Sri Lanka in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Kalutara District in September

Kalutara District, Sri Lanka is a region in Sri Lanka. September in Kalutara District generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 25°C (77°F) in Bentota. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

For a closer look at conditions across Kalutara District, Sri Lanka, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Panadura with an average of 277 mm (11 in) to heavy rainfall in Beruwala with 311 mm (12 in).

Average sunshine

Sunshine is moderately available across various locations. In Bentota, you can expect around 180 hours of sunlight in September, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Kalutara District by month

Pick a month to see the average temperature, rainfall and sunshine in Kalutara District — and find the best time to visit. (based on Bentota)

Best Places to Visit in Kalutara District in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Kalutara District.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Kalutara District

What is the weather like in September for some of the most popular destinations in Kalutara District, Sri Lanka?

Temperature range in Kalutara District (September)

Precipitation variation in Kalutara District (September)

Bentota

In September Bentota generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
201 hours
180 hours
200 hours
Monthly rainfall
274 mm (11 in)
309 mm (12 in)
351 mm (14 in)
Monthly rainy days
10 days
13 days
15 days
Weather conditions

Beruwala

In September Beruwala generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
202 hours
189 hours
202 hours
Monthly rainfall
276 mm (11 in)
311 mm (12 in)
358 mm (14 in)
Monthly rainy days
10 days
13 days
15 days
Weather conditions

Kalutara

In September Kalutara generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
202 hours
189 hours
202 hours
Monthly rainfall
260 mm (10 in)
299 mm (12 in)
362 mm (14 in)
Monthly rainy days
10 days
13 days
15 days
Weather conditions

Aluthgama

In September Aluthgama generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
201 hours
180 hours
200 hours
Monthly rainfall
275 mm (11 in)
310 mm (12 in)
353 mm (14 in)
Monthly rainy days
10 days
13 days
15 days
Weather conditions

Wadduwa

In September Wadduwa generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
202 hours
189 hours
202 hours
Monthly rainfall
241 mm (9.5 in)
285 mm (11 in)
360 mm (14 in)
Monthly rainy days
10 days
14 days
16 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Kalutara District, in Sri Lanka.

Popular cities in September

Day & night temperatures, rainfall and average weather in Kalutara District in September.

City Weather Day temp Night temp Rainfall
Bentota 29°C (84°F) 25°C (77°F) 309 mm (12 in)
Beruwala 29°C (84°F) 25°C (77°F) 311 mm (12 in)
Kalutara 30°C (86°F) 25°C (77°F) 299 mm (12 in)
Aluthgama 29°C (84°F) 25°C (77°F) 310 mm (12 in)
Wadduwa 30°C (86°F) 25°C (77°F) 285 mm (11 in)
Induruwa 29°C (84°F) 25°C (77°F) 307 mm (12 in)

Kalutara District weather in September: frequently asked questions

What is the weather like in Kalutara District, Sri Lanka in September?

Expect poor weather across Kalutara District, Sri Lanka in September. The popular destination of Bentota averages 29°C (84°F) by day and 25°C (77°F) at night during this month.

What is the average temperature in Kalutara District, Sri Lanka in September?

Bentota averages a daytime maximum of 29°C (84°F) in September, with overnight lows close to 25°C (77°F).

Does Kalutara District, Sri Lanka get a lot of rain in September?

Expect plenty of rainfall. Bentota records an average of 309 mm (12 in) in September, putting it among the wetter months for Kalutara District, Sri Lanka.

Is September a Good Time to Visit Kalutara District, Sri Lanka?

In our view, September might not be the best time to travel to Kalutara District, Sri Lanka with often poor weather in Bentota.

Generally speaking, the best visiting conditions can be found in January, February, March and December offering mostly tolerable weather in Bentota. On the other hand, the months of April, May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Kalutara District.

Weather and climate has detailed information for every country in the world. Are you going to Sri Lanka? Get detailed 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.

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