Colombo

Sri Lanka Weather in September

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

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Kandy Colombo Hikkaduwa Negombo

Planning a getaway to Sri Lanka this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Sri Lanka in September

The weather in Sri Lanka in September can be quite varied, with temperatures that range from warm to very hot and precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum daytime temperatures vary from warm in Ramboda at 26°C (79°F) to very hot in Polonnaruwa at 36°C (97°F). Nighttime temperatures generally drop to 26°C (79°F) in Polonnaruwa and 19°C (66°F) in Ramboda.

To explore the conditions in Sri Lanka in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Yala National Park with an average of 41 mm (1.6 in) to heavy rainfall in Avissawella with 316 mm (12 in).

Average sunshine

Sunshine is more limited in many areas during this month. Kandy receives about 87 hours of sunlight. For sunnier weather, check our weather planner to find destinations with better conditions.

Explore Sri Lanka by month

Pick a month to see the average temperature, rainfall and sunshine in Sri Lanka — and find the best time to visit. (based on Kandy)

January27°C (81°F) February29°C (84°F) March31°C (88°F) April31°C (88°F) May30°C (86°F) June29°C (84°F) This monthJuly28°C (82°F) August29°C (84°F) September29°C (84°F) October28°C (82°F) November28°C (82°F) December27°C (81°F)
Best Time to Visit Sri Lanka →

Best Places to Visit in Sri Lanka in September

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

Conditions Temperatures Precipitation
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 Sri Lanka

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

Temperature range in Sri Lanka (September)

Precipitation variation in Sri Lanka (September)

Kandy

In September Kandy generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 21°C (70°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
28°C (82°F)
Min temperature
21°C (70°F)
21°C (70°F)
21°C (70°F)
Monthly sun hours
75 hours
87 hours
119 hours
Monthly rainfall
107 mm (4.2 in)
132 mm (5.2 in)
305 mm (12 in)
Monthly rainy days
11 days
12 days
16 days
Weather conditions
pleasant
pleasant
poor
Climate in Kandy →

Hikkaduwa

In September Hikkaduwa 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 »
August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
201 hours
180 hours
200 hours
Monthly rainfall
237 mm (9.3 in)
278 mm (11 in)
307 mm (12 in)
Monthly rainy days
10 days
12 days
14 days
Weather conditions
unpleasant
poor
poor
Climate in Hikkaduwa →

Negombo

In September Negombo generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
202 hours
189 hours
202 hours
Monthly rainfall
195 mm (7.7 in)
245 mm (9.6 in)
338 mm (13 in)
Monthly rainy days
8 days
12 days
15 days
Weather conditions
unpleasant
poor
poor
Climate in Negombo →

Mirissa

In September Mirissa 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 unpleasant that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°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
179 mm (7 in)
225 mm (8.9 in)
260 mm (10 in)
Monthly rainy days
9 days
11 days
13 days
Weather conditions
pleasant
unpleasant
poor
Climate in Mirissa →

Nuwara Eliya

In September Nuwara Eliya generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Min temperature
20°C (68°F)
20°C (68°F)
19°C (66°F)
Monthly sun hours
75 hours
87 hours
119 hours
Monthly rainfall
124 mm (4.9 in)
166 mm (6.5 in)
292 mm (11 in)
Monthly rainy days
11 days
13 days
16 days
Weather conditions
pleasant
pleasant
poor
Climate in Nuwara Eliya →

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Sri Lanka in September.

City Weather Day temp Night temp Rainfall
Kandy 29°C (84°F) 21°C (70°F) 132 mm (5.2 in)
Colombo 30°C (86°F) 25°C (77°F) 262 mm (10 in)
Hikkaduwa 29°C (84°F) 25°C (77°F) 278 mm (11 in)
Negombo 30°C (86°F) 26°C (79°F) 245 mm (9.6 in)
Nuwara Eliya 28°C (82°F) 20°C (68°F) 166 mm (6.5 in)
Anuradhapura 34°C (93°F) 25°C (77°F) 75 mm (3 in)

Sri Lanka weather in September: frequently asked questions

What is the weather like in Sri Lanka in September?

Expect pleasant weather across Sri Lanka in September. The popular destination of Kandy averages 29°C (84°F) by day and 21°C (70°F) at night during this month.

What is the average temperature in Sri Lanka in September?

Kandy averages a daytime maximum of 29°C (84°F) in September, with overnight lows close to 21°C (70°F).

Does Sri Lanka get a lot of rain in September?

Yes, September tends to be a wetter month in Sri Lanka. Average rainfall in Kandy sits around 132 mm (5.2 in).

Is September a Good Time to Visit Sri Lanka?

In our opinion, September is a good time to visit Sri Lanka with overall pleasant weather in Kandy. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, February provides perfect weather in Kandy. The weather in April, October and November, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Sri Lanka.

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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