Horton Plains National Park in september: average Weather, Temperature and Climate
Weather in Horton Plains National Park in september 2025
The weather in Horton Plains National Park in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 6
Weather at 6am
74°F
Clear/Sunny
35% of time
35%
24%
4%
Weather at 12pm
81°F
Heavy rain
43% of time
38%
14%
7%
Weather at 6pm
70°F
Moderate rain at times
39% of time
23%
22%
16%
Weather at 3am
67°F
31%
23%
18%
17%
Evolution of daily average temperature and precipitation in Horton Plains National Park in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Horton Plains National Park in september.
The climate of Horton Plains National Park in september is tolerable
The weather in september in Horton Plains National Park is wet (with 14.5in of precipitation over 17 days). The situation is deteriorating compared to the previous month since in august there is an average of 12.4in of precipitation over 17 days.
The climate quite enjoyable there this month. Temperatures are up to 83°F. On average, the recorded minimum temperature is 72°F. Thus, the mean temperature average in september in Horton Plains National Park is 77°F. Note that seasonal normals in contrast with those observed in Horton Plains National Park in september with a maximum record of 90°F in 2014 and a minimum record of 56°F in 2021. You can expect to have about 3 days with temperatures over 86°F, or 10 of time.
Day length in Horton Plains National Park in september is 12:09. Sunrise is at 05:57 and sunset is at 18:06.
With a correct climate, september is okay (but not the best) to go in Horton Plains National Park.
September: another location in Sri Lanka?
If you want to go to Sri Lanka in september, there are destinations with better weather than Horton Plains National Park:
In september, Anuradhapura, Jaffna, Kandy, Trincomalee, Batticaloa and Dambulla have good weather.
Seasonal average climate and temperature of Horton Plains National Park in september
Check below seasonal norms These datas are set from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 77°F | ||||
| Highest temperature | 83°F | ||||
| Lowest temperature | 72°F | ||||
| Highest record temperature | 90°F (2014) | ||||
| Lowest record temperature | 56°F (2021) | ||||
| Number of days at +86°F | 3 day(s) (10%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 11km/h | ||||
| Wind temperature | 72°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 14.5in | ||||
| Number of days with rainfall | 17 day(s) (57%) | ||||
| Record daily rainfall | 4.5in (2010) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 8.42km | ||||
| Cloud cover | 43% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:57 | ||||
| Time of sunset | 18:06 | ||||
| Length of day | 12:09 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Horton Plains National Park in september 2024:
70°F to 83°F
63°F to 85°F
70°F to 79°F
70°F to 83°F
65°F to 85°F
67°F to 81°F
63°F to 81°F
65°F to 81°F
59°F to 79°F
59°F to 81°F
68°F to 79°F
68°F to 83°F
70°F to 86°F
68°F to 86°F
63°F to 81°F
58°F to 81°F
67°F to 83°F
61°F to 85°F
63°F to 85°F
61°F to 79°F
58°F to 79°F
59°F to 77°F
58°F to 79°F
59°F to 79°F
58°F to 81°F
63°F to 83°F
58°F to 77°F
59°F to 72°F
59°F to 72°F
59°F to 67°F
Map: other cities in Sri Lanka in september
Cities near Horton Plains National Park:
| Haputale in september | tolerable weather |
| Nuwara Eliya in september | tolerable weather |
| Hatton in september | tolerable weather |
| Ella in september | tolerable weather |
| Adam’s peak in september | tolerable weather |
| Gampola in september | good weather |
| Udawalawe National Park in september | tolerable weather |
| Sinharaja in september | tolerable weather |
| Kandy in september | good weather |
| Neluwa in september | tolerable weather |
| Matale in september | good weather |
| Hambantota in september | good weather |
Click over cities on the map for information about the weather in september.
Horton Plains National Park
perfect weather
good
tolerable
bad
very bad
Weather data for Horton Plains National Park in september:
Weather data for Horton Plains National Park for september are derived from an average of the weather forecast since 2009 in Horton Plains National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Horton Plains National Park 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 Horton Plains National Park.