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Kalkudah in September 2026: weather, temperatures and activities

Do you want to visit Kalkudah in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to Kalkudah, Sri Lanka.

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Is it worth visiting Kalkudah in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to Kalkudah.
What matters most?
Kalkudah in September 2026: weather, temperatures and activities

Page summary

Kalkudah in September in summary
Favourable weather
Min 28°C Max 32°C 173 mm 11 day(s) 72% 28% 30°C UV 7 12.0 h/day
Best activities in September
Diving and snorkeling
Practical guidelines
Moderate crowds 05:54 18:04
Hourly weather

Average weather in Kalkudah in September 2026

Favourable weather

The weather in Kalkudah in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Kalkudah in September

Temperatures, precipitation and monthly trends help to better understand the climate in Kalkudah in September.

Temperatures and rain in Kalkudah in September

Average daily weather

Temperatures and rain day by day in September.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Kalkudah in September

Seasonal normals

Seasonal normals of Kalkudah in September

Check the seasonal normals in Kalkudah in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature 30.3°C 30.1°C 29.2°C
Maximum temperature 32.4°C 32.0°C 30.9°C
Minimum temperature 28.2°C 28.3°C 27.6°C
Record maximum temperature 34.0°C
(2009)
35.0°C
(2021)
35.0°C
(2021)
Record low temperature 25.0°C
(2010)
25.0°C
(2021)
24.0°C
(2019)
Number of days at +30° 30 day(s)
(97%)
29 day(s)
(97%)
27 day(s)
(87%)
Number of days at +18° 31 day(s)
(100%)
30 day(s)
(100%)
31 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 28.2°C 28.5°C 29.0°C
Sea temperature (minimum) 27.3°C 27.9°C 28.2°C
Sea temperature (maximum) 29.2°C 29.5°C 29.7°C
Wind
Wind speed 15 km/h 15 km/h 15 km/h
Wind temperature 28.2°C 28.3°C 27.6°C
Precipitation (rain)
Precipitation 129.8 mm 173.4 mm 326.3 mm
Number of days with precipitation 23 day(s)
(74%)
23 day(s)
(77%)
25 day(s)
(81%)
Number of days with significant precipitation (greater than 5 mm) 9 day(s)
(29%)
11 day(s)
(38%)
17 day(s)
(56%)
Record precipitation in one day 30.1 mm
(2014)
38.9 mm
(2018)
69.4 mm
(2012)
Other weather data
Humidity 71% 72% 77%
Visibility 9.6 km 9.5 km 9.1 km
Cloud cover 26% 28% 31%
UV index 7 7 7
Daily sunshine 12h 12h 11h
Sunrise and sunset
Sunrise time 05h57 05h54 05h51
Sunset time 18h19 18h04 17h48
Day length 12h22 12h10 11h57
Our opinion on the climate in September
The review of Where And When favourable weather favourable weather fair weather
Activities and events

What to do in Kalkudah in September?

Best activities in September
Diving and snorkeling
Possible activities in September
Beach and swimmingAnimal observationWatersportsNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in Kalkudah in September last?

Find the observed weather calendar in Kalkudah in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
27°C33°C0.0 mm
2
Clear/Sunny
27°C32°C0.0 mm
3
Clear/Sunny
26°C32°C0.0 mm
4
Clear/Sunny
26°C32°C0.0 mm
5
Clear/Sunny
27°C31°C0.1 mm
6
Patchy rain nearby
27°C31°C0.8 mm
7
Partly Cloudy
27°C30°C8.9 mm
8
Partly Cloudy
26°C30°C3.3 mm
9
Cloudy
26°C30°C0.8 mm
10
Patchy rain nearby
26°C30°C1.7 mm
11
Clear/Sunny
27°C31°C0.4 mm
12
Partly Cloudy
27°C31°C1.5 mm
13
Patchy rain nearby
27°C31°C0.2 mm
14
Patchy rain nearby
27°C31°C1.6 mm
15
Partly Cloudy
27°C31°C0.1 mm
16
Partly Cloudy
27°C31°C0.2 mm
17
Cloudy
27°C30°C4.6 mm
18
Partly Cloudy
27°C31°C0.4 mm
19
Patchy light rain
27°C31°C1.0 mm
20
Clear/Sunny
27°C31°C0.0 mm
21
Clear/Sunny
27°C31°C0.0 mm
22
Clear/Sunny
27°C31°C0.0 mm
23
Clear/Sunny
27°C32°C0.0 mm
24
Clear/Sunny
27°C33°C0.0 mm
25
Partly Cloudy
27°C33°C0.0 mm
26
Partly Cloudy
27°C29°C0.0 mm
27
Partly Cloudy
26°C33°C0.0 mm
28
Clear/Sunny
28°C32°C0.0 mm
29
Clear/Sunny
27°C33°C0.0 mm
30
Clear/Sunny
27°C33°C0.0 mm
Nearby

Where to go near Kalkudah in September?

Compare cities and destinations near Kalkudah in September to find another travel stop, a nearby alternative or a logical continuation of your stay in Kalkudah.

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Every month

Best time to visit Kalkudah month by month

Compare the weather in Kalkudah across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Kalkudah in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Kalkudah in September, which places this month 8th out of 12.

Expect an average of 32°C during the day and 28°C at night, with about 173 mm of precipitation spread over 11 rainy days.

Yes: the sea is 29°C on average in September, a pleasant temperature for swimming.

Expect about 12.0 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Diving and snorkeling. These are the ones for which the conditions on site are most favourable.

Visitor numbers are moderate: this month is in Moderate crowds, with an index of 47/100. It is often a good compromise between weather and tranquility.

The most favorable months in Kalkudah are: February, March, April, May, June, July, August and September. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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