Rayong in september: average Weather, Temperature and Climate
Weather in Rayong in september 2025
The weather in Rayong in september comes from statistical datas on the past years. You can view the weather statistics for the whole 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
43% of time
34%
14%
7%
Weather at 12pm
86°F
Moderate rain at times
37% of time
35%
14%
13%
Weather at 6pm
85°F
Moderate rain at times
44% of time
22%
17%
14%
Weather at 3am
83°F
42%
38%
12%
8%
Evolution of daily average temperature and precipitation in Rayong in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rayong in september.
The climate of Rayong in september is very bad
the weather in Rayong in september is wet (with 22.2in of rainfall over 23 days). The situation is deteriorating compared to the previous month since in august there is an average of 23in of precipitation over 24 days.
The climate is very warm in this location this month. Temperatures are up to 86°F. On average, the recorded minimum temperature is 83°F. Thus, the mean temperature average in september in Rayong is 85°F. Note that seasonal normals in contrast with those observed in Rayong in the month of september with a maximum record of 94°F in 2021 and a minimum record of 77°F in 2009. You You can hope to have about 18 days with temperatures above 86°F, or 60 of time.
In september in Rayong, the days on average last 12:12. Sunrise is at 06:04 and sunset is at 18:16.
September: another location in Thailand?
If you want to go to Thailand in september, there are destinations with better weather than Rayong:
In september, Chiang Mai, Doi Inthanon, Chawang, Chumphon, Lamphun and Nakhon Si Thammarat have good weather.
Finally, Bangkok, Chiang Rai, Hua Hin, Kanchanaburi, Khao Lak national Park and Khon Kaen have a tolerable climate, but better than Rayong.
Seasonal average climate and temperature of Rayong in september
Check below seasonal norms These datas are generated from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 94°F (2021) | ||||
| Lowest record temperature | 77°F (2009) | ||||
| Number of days at +86°F | 18 day(s) (60%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 84°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 22.2in | ||||
| Number of days with rainfall | 23 day(s) (78%) | ||||
| Record daily rainfall | 4.6in (2020) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 8.5km | ||||
| Cloud cover | 48% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:04 | ||||
| Time of sunset | 18:16 | ||||
| Length of day | 12:12 | ||||
| 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 Rayong in september 2024:
81°F to 88°F
79°F to 85°F
81°F to 85°F
79°F to 83°F
81°F to 85°F
81°F to 86°F
81°F to 86°F
81°F to 86°F
81°F to 85°F
81°F to 88°F
81°F to 88°F
81°F to 88°F
83°F to 86°F
79°F to 85°F
81°F to 88°F
81°F to 86°F
81°F to 88°F
77°F to 81°F
77°F to 83°F
79°F to 85°F
79°F to 85°F
81°F to 85°F
79°F to 86°F
79°F to 86°F
76°F to 81°F
79°F to 86°F
81°F to 86°F
79°F to 86°F
81°F to 88°F
81°F to 86°F
Map: other cities in Thailand in september
Cities near Rayong:
| Ko Samet in september | very bad weather |
| Sattahip in september | bad weather |
| Klaeng in september | very bad weather |
| Pattaya in september | bad weather |
| Bang Lamung in september | bad weather |
| Si Racha in september | bad weather |
| Chon Buri in september | tolerable weather |
| Chanthaburi in september | bad weather |
| Chachoengsao in september | tolerable weather |
| Koh Chang in september | bad weather |
| Cha-am in september | tolerable weather |
| Bangkok in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Rayong
perfect weather
good
tolerable
bad
very bad
Weather data for Rayong in september:
Weather data for Rayong for september are derived from an average of the weather forecast since 2009 in Rayong. There is a margin of error and these forecasts are to be considered as general information only. The weather in Rayong 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 Rayong.