Sihanoukville in september: average Weather, Temperature and Climate
Weather in Sihanoukville in september 2025
The weather in Sihanoukville in 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
very bad weather UV index: 7
Weather at 6am
83°F
Heavy rain
40% of time
24%
23%
11%
Weather at 12pm
85°F
Heavy rain
46% of time
28%
13%
12%
Weather at 6pm
83°F
Heavy rain
38% of time
35%
15%
12%
Weather at 3am
83°F
37%
25%
23%
13%
Evolution of daily average temperature and precipitation in Sihanoukville in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sihanoukville in september.
The climate of Sihanoukville in september is very bad
In september in Sihanoukville, the climate is wet (with 33.2in of rainfall over 22 days). The weather is worst than the previous month since in august there is an average of 34.2in of rainfall over 23 days.
The climate pleasant in that area this month. The thermometer averaged maximum of 85°F. The minimum is 83°F. Thus, the mean temperature average on this month of september in Sihanoukville is 85°F. Note that seasonal normals are in contrast with those observed in Sihanoukville in the month of september with a maximum record of 90°F in 2021 and a minimum record of 72°F in 2020. You can expect to have about 10 days with temperatures above 86°F, or 33 of the month.
On average, in Sihanoukville, the days of september last 12:10. Sunrise is at 05:56 and sets at 18:06.
September: another location in Cambodia?
If you want to go to Cambodia in september, there are destinations with better weather than Sihanoukville:
In september, Kampot, Kratie, Kampong Cham, Sambor Prei Kuk, Kirirom National Park and Koh Tonsay (Rabbit Island) have a tolerable climate, but better than Sihanoukville.
Seasonal average climate and temperature of Sihanoukville in september
Check below seasonal norms These datas are set from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 90°F (2021) | ||||
| Lowest record temperature | 72°F (2020) | ||||
| Number of days at +86°F | 10 day(s) (33%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 84°F | ||||
| Lowest sea temperature | 83°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 33.2in | ||||
| Number of days with rainfall | 22 day(s) (72%) | ||||
| Record daily rainfall | 9.6in (2019) | ||||
| Other climate data | |||||
| Humidity | 81% | ||||
| Visibility | 8.11km | ||||
| Cloud cover | 50% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:56 | ||||
| Time of sunset | 18:06 | ||||
| Length of day | 12:10 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Sihanoukville in september 2024:
83°F to 85°F
79°F to 81°F
79°F to 83°F
81°F to 83°F
83°F to 83°F
83°F to 85°F
83°F to 85°F
83°F to 83°F
83°F to 85°F
83°F to 85°F
83°F to 85°F
83°F to 85°F
83°F to 85°F
79°F to 83°F
81°F to 83°F
83°F to 83°F
81°F to 83°F
79°F to 83°F
79°F to 81°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
79°F to 83°F
81°F to 85°F
81°F to 85°F
83°F to 85°F
83°F to 86°F
Map: other cities in Cambodia in september
Cities near Sihanoukville:
| Koh Russey (Bamboo Island) in september | very bad weather |
| Koh Ta Kiev in september | very bad weather |
| Koh Rong Samloem in september | very bad weather |
| Koh Thmei in september | very bad weather |
| Koh Rong in september | very bad weather |
| Koh Sdach (King Island) in september | very bad weather |
| Botum Sakor National Park in september | very bad weather |
| Kampot in september | tolerable weather |
| Krong Kaeb in september | tolerable weather |
| Koh Tonsay (Rabbit Island) in september | tolerable weather |
| Kirirom National Park in september | tolerable weather |
| Koh Kong in september | very bad weather |
Click over cities on the map for information about the weather in september.
Sihanoukville
perfect weather
good
tolerable
bad
very bad
Weather data for Sihanoukville in september:
Weather data for Sihanoukville for september are derived from an average of the weather forecast since 2009 in Sihanoukville. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sihanoukville 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 Sihanoukville.