Trincomalee in september: average Weather, Temperature and Climate
Weather in Trincomalee in september 2025
The weather in Trincomalee 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
good weather UV index: 8
Weather at 6am
83°F
Partly Cloudy
46% of time
45%
6%
5%
Weather at 12pm
92°F
Clear/Sunny
37% of time
26%
23%
12%
Weather at 6pm
79°F
Clear/Sunny
47% of time
25%
20%
7%
Weather at 3am
77°F
44%
41%
9%
5%
Evolution of daily average temperature and precipitation in Trincomalee in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Trincomalee in september.
The climate of Trincomalee in september is good
The weather in september in Trincomalee is quite dry (with 4.8in of precipitation over 6 days). The weather is worst than the previous month since in august there is an average of 3.3in of precipitation over 5 days.
The climate is very hot in that area this month. The high seasonal norm is 94°F. In the morning the temperature drops to 83°F. Thus, the mean temperature average on this month of september in Trincomalee is 88°F. These temperatures are far removed from those records observed in Trincomalee in september with a maximum record of 103°F in 2012 and a minimum record of 76°F in 2020. You can plan to have 86°F or more throughout the month.
On average, in Trincomalee, the days of september last 12:10. Sunrise is at 05:55 and sets at 18:05.
With a good climate, the month of september is a good month to go in Trincomalee in Sri Lanka.
Seasonal average climate and temperature of Trincomalee in september
Check below seasonal norms These datas are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 88°F | ||||
| Highest temperature | 94°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 103°F (2012) | ||||
| Lowest record temperature | 76°F (2020) | ||||
| Number of days at +86°F | 29 day(s) (97%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 83°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 26km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.8in | ||||
| Number of days with rainfall | 6 day(s) (21%) | ||||
| Record daily rainfall | 2in (2014) | ||||
| Other climate data | |||||
| Humidity | 68% | ||||
| Visibility | 9.6km | ||||
| Cloud cover | 31% | ||||
| UV index | 8 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:55 | ||||
| Time of sunset | 18:05 | ||||
| Length of day | 12:10 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Trincomalee in september 2024:
79°F to 90°F
79°F to 94°F
79°F to 88°F
77°F to 92°F
79°F to 95°F
79°F to 90°F
79°F to 92°F
79°F to 90°F
79°F to 90°F
79°F to 94°F
79°F to 94°F
79°F to 94°F
79°F to 95°F
79°F to 94°F
79°F to 95°F
81°F to 92°F
81°F to 97°F
79°F to 95°F
79°F to 95°F
79°F to 94°F
77°F to 90°F
79°F to 94°F
79°F to 90°F
79°F to 92°F
79°F to 90°F
79°F to 95°F
79°F to 92°F
76°F to 92°F
77°F to 97°F
77°F to 92°F
Map: other cities in Sri Lanka in september
Cities near Trincomalee:
| Uppuveli in september | good weather |
| Kallara beach (Thiriyai) in september | good weather |
| Arisimale Beach in september | good weather |
| Vakarai in september | good weather |
| Polonnaruwa in september | good weather |
| Kalkudah in september | good weather |
| Vavuniya in september | good weather |
| Mullaitivu in september | good weather |
| Anuradhapura in september | good weather |
| Dambulla in september | good weather |
| Maduru Oya National Park in september | good weather |
| Batticaloa in september | good weather |
Click over cities on the map for information about the weather in september.
Trincomalee
perfect weather
good
tolerable
bad
very bad
Weather data for Trincomalee in september:
Weather data for Trincomalee for september are derived from an average of the weather forecast since 2009 in Trincomalee. There is a margin of error and these forecasts are to be considered as general information only. The weather in Trincomalee 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 Trincomalee.