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Bentota in September 2026: weather, temperatures and activities

Do you want to visit Bentota 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 Bentota, Sri Lanka.

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Is it worth visiting Bentota in September?

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

Page summary

Bentota in September in summary
Adverse weather
Min 27°C Max 29°C 475 mm 20 day(s) 82% 54% 29°C UV 6 10.6 h/day
Possible activities in September
Beach and swimmingAnimal observationDiving and snorkelingWatersportsNature and landscapesGastronomyWell-beingBoat trip and cruise
Practical guidelines
High crowding 06:01 18:10
Hourly weather

Average weather in Bentota in September 2026

Adverse weather

The weather in Bentota 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 Bentota in September

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

Temperatures and rain in Bentota 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 Bentota in September

Seasonal normals

Seasonal normals of Bentota in September

Check the seasonal normals in Bentota 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 28.0°C 28.1°C 28.6°C
Maximum temperature 28.8°C 29.1°C 29.8°C
Minimum temperature 27.1°C 27.2°C 27.4°C
Record maximum temperature 31.0°C
(2013)
32.0°C
(2017)
33.0°C
(2009)
Record low temperature 24.0°C
(2021)
25.0°C
(2009)
24.0°C
(2019)
Number of days at +30° 8 day(s)
(26%)
12 day(s)
(40%)
20 day(s)
(65%)
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) 27.2°C 27.9°C 28.5°C
Sea temperature (minimum) 25.9°C 26.7°C 27.4°C
Sea temperature (maximum) 28.8°C 29.0°C 30.1°C
Wind
Wind speed 20 km/h 19 km/h 17 km/h
Wind temperature 27.1°C 27.2°C 27.5°C
Precipitation (rain)
Precipitation 608.4 mm 475.5 mm 382.6 mm
Number of days with precipitation 30 day(s)
(97%)
28 day(s)
(93%)
28 day(s)
(90%)
Number of days with significant precipitation (greater than 5 mm) 23 day(s)
(75%)
20 day(s)
(66%)
19 day(s)
(60%)
Record precipitation in one day 105.0 mm
(2013)
88.7 mm
(2011)
102.2 mm
(2010)
Other weather data
Humidity 83% 82% 81%
Visibility 8.5 km 8.7 km 9.0 km
Cloud cover 54% 54% 48%
UV index 6 6 6
Daily sunshine 10h 11h 10h
Sunrise and sunset
Sunrise time 06h05 06h01 05h56
Sunset time 18h24 18h10 17h55
Day length 12h19 12h09 11h59
Our opinion on the climate in September
The review of Where And When very bad weather adverse weather fair weather
Activities and events

What to do in Bentota in September?

Possible activities in September
Beach and swimmingAnimal observationDiving and snorkelingWatersportsNature and landscapesGastronomyWell-beingBoat trip and cruise
Observed weather

What was the weather like in Bentota in September last?

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
26°C28°C3.3 mm
2
Patchy rain nearby
26°C29°C0.5 mm
3
Patchy rain nearby
26°C28°C1.0 mm
4
Patchy rain nearby
25°C28°C3.5 mm
5
Patchy rain nearby
25°C28°C4.7 mm
6
Patchy rain nearby
26°C28°C2.4 mm
7
Patchy rain nearby
26°C29°C4.2 mm
8
Light rain shower
26°C28°C1.0 mm
9
Patchy rain nearby
26°C29°C0.4 mm
10
Light rain shower
26°C28°C4.8 mm
11
Light rain shower
25°C28°C3.1 mm
12
Patchy rain nearby
26°C29°C1.4 mm
13
Light rain shower
27°C28°C3.8 mm
14
Patchy rain nearby
26°C29°C3.1 mm
15
Light rain shower
26°C27°C15.2 mm
16
Light rain shower
25°C27°C13.1 mm
17
Light rain shower
26°C28°C10.3 mm
18
Light rain shower
26°C28°C6.4 mm
19
Light rain shower
26°C28°C11.5 mm
20
Patchy rain nearby
25°C28°C3.7 mm
21
Patchy rain nearby
25°C29°C2.1 mm
22
Patchy rain nearby
25°C28°C1.9 mm
23
Light rain shower
26°C28°C4.7 mm
24
Light rain shower
26°C28°C6.8 mm
25
Light rain shower
26°C28°C7.1 mm
26
Light rain shower
25°C26°C9.7 mm
27
Patchy rain nearby
26°C29°C6.0 mm
28
Patchy rain nearby
26°C29°C5.9 mm
29
Patchy rain nearby
26°C29°C1.2 mm
30
Patchy rain nearby
26°C28°C3.4 mm
Nearby

Where to go near Bentota in September?

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

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Every month

Best time to visit Bentota month by month

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

Frequently asked questions

Travel to to Bentota in September: your frequently asked questions

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

Not really. The weather conditions are unfavorable in Bentota in September, which places this month 8th out of 12. A trip is still possible, but plan a flexible itinerary.

Expect an average of 29°C during the day and 27°C at night, with about 475 mm of precipitation spread over 20 rainy days.

Yes: the sea is 28°C on average in September, a pleasant temperature for swimming.

Expect about 10.6 hours of sunshine per day on average for this month.

No activity stands out as ideal this month, but conditions remain acceptable for Beach and swimming, Animal observation, Diving and snorkeling and Watersports.

Visitor numbers are moderate: this month is in High crowding, with an index of 52/100. It is often a good compromise between weather and tranquility.

If your dates are flexible, the most favorable months in Bentota are: January, February, March and December. Compare them before finalizing your departure.
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