How warm is it in Patong in September?

Daytime highs averaged 28.4 °C, night-time lows 27.2 °C. The highest value of the past 10 years was 29.9 °C (1 Sep 2026), the lowest 25.8 °C (13 Sep 2024).

How often does it rain in Patong in September?

On average there were 28.7 rain days (at least 1 mm) with 355 mm of precipitation in total.

🇹🇭 Weather in Patong in September

This is what the weather in Patong (Phuket, Thailand) was like in September in 2017–2026.

Key facts at a glance

Prevailing weather: Rain

Avg. daytime high

28.4 °C

28.1 °C – 29.0 °C

Avg. night-time low

27.2 °C

26.8 °C – 27.5 °C

Avg. rain days in period

28.7

96 % of days · ≥ 1.0 mm

Avg. precipitation in period

355 mm

216 mm – 531 mm

Avg. sunshine per day

n/a

Sunshine duration is not available from this data source.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 29.9 °C (1 Sep 2026) · Lowest temperature 25.8 °C (13 Sep 2024) · Avg. daily peak wind 17 km/h

Weather mix of all days

5Partly cloudy
8Cloudy
82Light rain
205Rain

Summary

On average 28.4 °C during the day and 27.2 °C at night.
On average 28.7 rain days (Rain day = at least 1.0 mm of precipitation) with 355 mm of precipitation in total.
Prevailing: Rain.
Warmest year: 2026 (avg. 29.0 °C), coolest: 2018 (avg. 28.1 °C).
Wettest year: 2020 (531 mm), driest: 2019 (216 mm).
Extremes: 29.9 °C on 1 Sep 2026 and 25.8 °C on 13 Sep 2024.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max29.0°Avg. min27.5°
Rain days
30 Rain days
Precipitation
343 mm
Avg. sunshine per day
n/a
Sea temperature
–
Max 29.9 °C · Min 26.7 °C
2025
Avg. max28.3°Avg. min27.1°
Rain days
28 Rain days
Precipitation
291 mm
Avg. cloud cover
87 % cloudy
Sea temperature
–
Max 29.2 °C · Min 25.9 °C
2024
Avg. max28.6°Avg. min27.4°
Rain days
30 Rain days
Precipitation
493 mm
Avg. cloud cover
91 % cloudy
Sea temperature
–
Max 29.3 °C · Min 25.8 °C
2023
Avg. max28.5°Avg. min27.2°
Rain days
28 Rain days
Precipitation
423 mm
Avg. cloud cover
93 % cloudy
Sea temperature
–
Max 29.6 °C · Min 26.6 °C
2022
Avg. max28.3°Avg. min27.3°
Rain days
29 Rain days
Precipitation
311 mm
Avg. cloud cover
93 % cloudy
Sea temperature
–
Max 29.2 °C · Min 26.2 °C
2021
Avg. max28.4°Avg. min27.1°
Rain days
23 Rain days
Precipitation
309 mm
Avg. cloud cover
93 % cloudy
Sea temperature
–
Max 29.4 °C · Min 26.4 °C
2020
Avg. max28.3°Avg. min27.1°
Rain days
30 Rain days
Precipitation
531 mm
Avg. cloud cover
95 % cloudy
Sea temperature
–
Max 29.6 °C · Min 26.2 °C
2019
Avg. max28.4°Avg. min26.9°
Rain days
30 Rain days
Precipitation
216 mm
Avg. cloud cover
87 % cloudy
Sea temperature
–
Max 29.7 °C · Min 26.0 °C
2018
Avg. max28.1°Avg. min26.8°
Rain days
29 Rain days
Precipitation
245 mm
Avg. cloud cover
89 % cloudy
Sea temperature
–
Max 29.5 °C · Min 25.9 °C
2017
Avg. max28.3°Avg. min27.2°
Rain days
30 Rain days
Precipitation
386 mm
Avg. cloud cover
95 % cloudy
Sea temperature
–
Max 29.4 °C · Min 26.1 °C

Frequently asked questions

How warm is it in Patong in September?: Daytime highs averaged 28.4 °C, night-time lows 27.2 °C. The highest value of the past 10 years was 29.9 °C (1 Sep 2026), the lowest 25.8 °C (13 Sep 2024).
How often does it rain in Patong in September?: On average there were 28.7 rain days (at least 1 mm) with 355 mm of precipitation in total.

Check your exact travel dates

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Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)