Kalutara in september: average Weather, Temperature and Climate
Weather in Kalutara in september 2025
The weather in Kalutara in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
bad weather UV index: 7
Weather at 6am
83°F
Moderate rain at times
54% of time
28%
9%
9%
Weather at 12pm
85°F
Moderate rain at times
49% of time
29%
15%
7%
Weather at 6pm
81°F
Moderate rain at times
48% of time
22%
18%
7%
Weather at 3am
79°F
40%
37%
16%
8%
Evolution of daily average temperature and precipitation in Kalutara in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Kalutara in september.
The climate of Kalutara in september is bad
the weather in Kalutara in september is wet (with 18.7in of precipitation over 20 days). It should be noted an improvement from the previous month since in august it receives an average of 24in of precipitation over 23 days.
The climate comfortable in this city this month. The thermometer averaged maximum of 86°F. The minimum is 83°F. Thus, the mean temperature average on this month of september in Kalutara is 85°F. Note that these seasonal averages are in contrast with those observed in Kalutara in the month of september with a maximum record of 90°F in 2017 and a minimum record of 77°F in 2009. You can expect to have about 12 days with temperatures over 86°F, or 40 of time.
On this month of september, day length in Kalutara is generally 12:09. The sun rises at 06:01 and sunset is at 18:10.
With a bad weather, this month is not the best time to go in that area in Sri Lanka.
September: another location in Sri Lanka?
If you want to go to Sri Lanka in september, there are destinations with better weather than Kalutara:
In september, Anuradhapura, Jaffna, Kandy, Trincomalee, Batticaloa and Dambulla have good weather.
Finally, Chilaw, Negombo, Nuwara Eliya, Adam’s peak, Ella and Haputale have a tolerable climate, but better than Kalutara.
Seasonal average climate and temperature of Kalutara in september
Check below seasonal norms These statistics are set from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 90°F (2017) | ||||
| Lowest record temperature | 77°F (2009) | ||||
| Number of days at +86°F | 12 day(s) (40%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 83°F | ||||
| Lowest sea temperature | 81°F | ||||
| Highest sea temperature | 84°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 18.7in | ||||
| Number of days with rainfall | 20 day(s) (66%) | ||||
| Record daily rainfall | 3.5in (2011) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 8.74km | ||||
| Cloud cover | 55% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:01 | ||||
| Time of sunset | 18:10 | ||||
| Length of day | 12:09 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Kalutara in september 2024:
79°F to 83°F
79°F to 85°F
79°F to 81°F
79°F to 85°F
81°F to 85°F
81°F to 85°F
79°F to 85°F
79°F to 83°F
79°F to 85°F
79°F to 85°F
79°F to 83°F
79°F to 85°F
81°F to 86°F
81°F to 85°F
81°F to 85°F
81°F to 85°F
81°F to 85°F
79°F to 85°F
81°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 85°F
81°F to 83°F
79°F to 83°F
79°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 85°F
79°F to 86°F
79°F to 83°F
Map: other cities in Sri Lanka in september
Cities near Kalutara:
| Panadura in september | bad weather |
| Bentota in september | bad weather |
| Dehiwala-Mount Lavinia in september | tolerable weather |
| Ambalangoda in september | bad weather |
| Colombo in september | bad weather |
| Neluwa in september | tolerable weather |
| Hikkaduwa in september | bad weather |
| Udawalawe National Park in september | tolerable weather |
| Adam’s peak in september | tolerable weather |
| Galle in september | bad weather |
| Negombo in september | tolerable weather |
| Sinharaja in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Kalutara
perfect weather
good
tolerable
bad
very bad
Weather data for Kalutara in september:
Weather data for Kalutara for september are derived from an average of the weather forecast since 2009 in Kalutara. There is a margin of error and these forecasts are to be considered as general information only. The weather in Kalutara can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Kalutara.