Mirissa in september: average Weather, Temperature and Climate
Weather in Mirissa in september 2025
The weather in Mirissa in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire 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: 7
Weather at 6am
83°F
Moderate rain at times
54% of time
16%
13%
12%
Weather at 12pm
86°F
Moderate rain at times
51% of time
23%
14%
12%
Weather at 6pm
81°F
Moderate rain at times
43% of time
32%
9%
9%
Weather at 3am
79°F
44%
40%
12%
4%
Evolution of daily average temperature and precipitation in Mirissa in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Mirissa in september.
The climate of Mirissa in september is good
The weather in september in Mirissa is wet (with 5.7in of precipitation over 9 days). It should be noted a worsening from the previous month since in august there is an average of 4.5in of rainfall over 7 days.
The climate enjoyable in this city september. The thermometer averaged maximum of 86°F. In the morning the temperature drops to 81°F. Thus, the mean temperature average in september in Mirissa is 85°F. These temperatures are far removed from those records observed in Mirissa in the month of september with a maximum record of 92°F in 2021 and a minimum record of 76°F in 2019. You You can hope to have about 17 days with temperatures above 86°F, or 57 of the month.
In september in Mirissa, the days on average last 12:09. The sun rises at 05:59 and sunset is at 18:08.
With proper weather, this month is okay (but not good) to go in Mirissa.
Seasonal average climate and temperature of Mirissa in september
Check below seasonal norms These datas are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 81°F | ||||
| Highest record temperature | 92°F (2021) | ||||
| Lowest record temperature | 76°F (2019) | ||||
| Number of days at +86°F | 17 day(s) (57%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 83°F | ||||
| Lowest sea temperature | 82°F | ||||
| Highest sea temperature | 85°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 81°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.7in | ||||
| Number of days with rainfall | 9 day(s) (30%) | ||||
| Record daily rainfall | 2.1in (2019) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.62km | ||||
| Cloud cover | 50% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:59 | ||||
| Time of sunset | 18:08 | ||||
| Length of day | 12:09 | ||||
| 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 Mirissa in september 2024:
81°F to 83°F
81°F to 83°F
79°F to 81°F
81°F to 85°F
81°F to 85°F
81°F to 83°F
81°F to 83°F
81°F to 83°F
81°F to 83°F
81°F to 83°F
81°F to 83°F
81°F to 85°F
81°F to 83°F
81°F to 83°F
81°F to 83°F
81°F to 83°F
83°F to 85°F
81°F to 83°F
81°F to 85°F
83°F to 85°F
81°F to 83°F
81°F to 83°F
81°F to 85°F
81°F to 83°F
83°F to 85°F
81°F to 85°F
81°F to 85°F
81°F to 83°F
79°F to 85°F
79°F to 81°F
Map: other cities in Sri Lanka in september
Cities near Mirissa:
| Weligama in september | good weather |
| Matara in september | good weather |
| Galle in september | bad weather |
| Unakuruwa Beach in september | good weather |
| Tangalle in september | good weather |
| Hikkaduwa in september | bad weather |
| Neluwa in september | tolerable weather |
| Sinharaja in september | tolerable weather |
| Ambalangoda in september | bad weather |
| Udawalawe National Park in september | tolerable weather |
| Bentota in september | bad weather |
| Hambantota in september | good weather |
Click over cities on the map for information about the weather in september.
Mirissa
perfect weather
good
tolerable
bad
very bad
Weather data for Mirissa in september:
Weather data for Mirissa for september are derived from an average of the weather forecast since 2009 in Mirissa. There is a margin of error and these forecasts are to be considered as general information only. The weather in Mirissa 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 Mirissa.