Tonlé Sap in september: average Weather, Temperature and Climate
Weather in Tonlé Sap in september 2025
The weather in Tonlé Sap in the month of september comes from statistical datas on the last 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
tolerable weather UV index: 7
Weather at 6am
79°F
Partly Cloudy
44% of time
20%
18%
10%
Weather at 12pm
90°F
Partly Cloudy
37% of time
27%
17%
12%
Weather at 6pm
83°F
Heavy rain
30% of time
28%
22%
13%
Weather at 3am
77°F
38%
29%
14%
11%
Evolution of daily average temperature and precipitation in Tonlé Sap in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Tonlé Sap in september.
The climate of Tonlé Sap in september is tolerable
In september in Tonlé Sap, the climate is wet (with 10.8in of rainfall over 15 days). The weather is worst than the previous month since in august there is an average of 6in of rainfall over 11 days.
The climate quite comfortable in this city this month. The high seasonal norm is 90°F. The seasonal minimum is 79°F. Thus, the mean temperature average on this month of september in Tonlé Sap is 85°F. Note that these seasonal averages are in contrast with those observed in Tonlé Sap in september with a maximum record of 99°F in 2013 and a minimum record of 72°F in 2021. You can expect to have about 25 days with temperatures above 86°F, or 83 of the month.
On this month of september, day length in Tonlé Sap is generally 12:12. The sun rises at 05:53 and sunset is at 18:05.
With a correct climate, september is okay (but not the best) to go in Tonlé Sap.
Tonlé Sap: another month?
If you can push the dates of your trip to Tonlé Sap forward, the month of october has a better weather forecast than september. more information
Seasonal average climate and temperature of Tonlé Sap in september
Check below seasonal norms These statistics are generated from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 99°F (2013) | ||||
| Lowest record temperature | 72°F (2021) | ||||
| Number of days at +86°F | 25 day(s) (83%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 9km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 10.8in | ||||
| Number of days with rainfall | 15 day(s) (50%) | ||||
| Record daily rainfall | 4.2in (2020) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.01km | ||||
| Cloud cover | 46% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:53 | ||||
| Time of sunset | 18:05 | ||||
| Length of day | 12:12 | ||||
| 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 Tonlé Sap in september 2024:
77°F to 92°F
76°F to 88°F
76°F to 90°F
76°F to 86°F
76°F to 90°F
77°F to 92°F
77°F to 94°F
77°F to 90°F
77°F to 90°F
77°F to 94°F
77°F to 88°F
77°F to 90°F
77°F to 88°F
76°F to 85°F
77°F to 92°F
77°F to 92°F
76°F to 81°F
76°F to 81°F
76°F to 88°F
76°F to 88°F
77°F to 85°F
77°F to 83°F
76°F to 88°F
76°F to 90°F
76°F to 81°F
74°F to 90°F
76°F to 90°F
76°F to 92°F
77°F to 94°F
77°F to 94°F
Map: other cities in Cambodia in september
Cities near Tonlé Sap:
| Siem Reap (Angkor) in september | very bad weather |
| Beng Mealea in september | very bad weather |
| Kbal Spean in september | very bad weather |
| Battambang in september | bad weather |
| Sambor Prei Kuk in september | tolerable weather |
| Phnum Samkoh Reserve in september | tolerable weather |
| Kulen Prum Tep in september | very bad weather |
| Preah Vihear in september | very bad weather |
| Poipet in september | bad weather |
| Kirirom National Park in september | tolerable weather |
| Phnom Penh in september | bad weather |
| Kampong Cham in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Tonlé Sap
perfect weather
good
tolerable
bad
very bad
Weather data for Tonlé Sap in september:
Weather data for Tonlé Sap for september are derived from an average of the weather forecast since 2009 in Tonlé Sap. There is a margin of error and these forecasts are to be considered as general information only. The weather in Tonlé Sap 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 Tonlé Sap.