Lamai beach in september: average Weather, Temperature and Climate
Weather in Lamai beach in september 2025
The weather in Lamai beach in the month of 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: 7
Weather at 6am
83°F
Partly Cloudy
39% of time
25%
20%
10%
Weather at 12pm
85°F
Partly Cloudy
37% of time
32%
17%
10%
Weather at 6pm
85°F
Partly Cloudy
38% of time
23%
18%
15%
Weather at 3am
85°F
35%
31%
18%
10%
Evolution of daily average temperature and precipitation in Lamai beach in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Lamai beach in september.
The climate of Lamai beach in september is tolerable
The climate in september in Lamai beach is wet (with 7.4in of rainfall over 12 days). The weather is worst than the previous month since in august there is an average of 5.9in of rainfall over 9 days.
The climate quite pleasant around this city the month of september. Temperatures are up to 86°F. The seasonal minimum is 83°F. Thus, the mean temperature average on this month of september in Lamai beach is 85°F. Note that these seasonal averages are in contrast with those observed in Lamai beach in the month of september with a maximum record of 88°F in 2013 and a minimum record of 68°F in 2021. You can expect to have about 8 days with temperatures above 86°F, or 27 of time.
In september in Lamai beach, the days on average last 12:10. Sunrise is at 06:10 and sunset is at 18:20.
With good weather conditions, the month of september is advisable to go there.
Lamai beach: another month?
If you can push the dates of your trip to Lamai beach forward, the month of october has a better weather forecast than september. more information
Seasonal average climate and temperature of Lamai beach in september
Check below seasonal norms These statistics are generated from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 88°F (2013) | ||||
| Lowest record temperature | 68°F (2021) | ||||
| Number of days at +86°F | 8 day(s) (27%) | ||||
| 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 | 21km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7.4in | ||||
| Number of days with rainfall | 12 day(s) (41%) | ||||
| Record daily rainfall | 1.6in (2019) | ||||
| Other climate data | |||||
| Humidity | 78% | ||||
| Visibility | 9.36km | ||||
| Cloud cover | 43% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:10 | ||||
| Time of sunset | 18:20 | ||||
| Length of day | 12:10 | ||||
| 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 Lamai beach in september 2024:
83°F to 85°F
81°F to 85°F
81°F to 83°F
81°F to 85°F
83°F to 86°F
83°F to 85°F
83°F to 86°F
85°F to 85°F
83°F to 86°F
83°F to 85°F
83°F to 85°F
83°F to 86°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
81°F to 83°F
81°F to 83°F
83°F to 83°F
83°F to 86°F
83°F to 86°F
83°F to 85°F
81°F to 85°F
79°F to 83°F
83°F to 85°F
81°F to 83°F
81°F to 85°F
83°F to 85°F
83°F to 86°F
Map: other cities on the island of Koh Samui in september
Cities near Lamai beach:
| Chaweng Beach in september | tolerable weather |
| Bang Kao (Laem Sor beach) in september | tolerable weather |
| Bophut in september | tolerable weather |
| Koh Madsum in september | tolerable weather |
| Lipa Noi in september | tolerable weather |
| Choeng Mon in september | tolerable weather |
| Maenam in september | tolerable weather |
| Nathon in september | tolerable weather |
| Koh Taen in september | tolerable weather |
| Koh Phaluai in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Lamai beach
perfect weather
good
tolerable
bad
very bad
Weather data for Lamai beach in september:
Weather data for Lamai beach for september are derived from an average of the weather forecast since 2009 in Lamai beach. There is a margin of error and these forecasts are to be considered as general information only. The weather in Lamai beach 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 Lamai beach.