Nai Harn Weather in September

What's the weather like in Nai Harn (Phuket Province) in September 2023?

The climate in Nai Harn during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in Nai Harn and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (87°F), whilst at night 24°C (74°F) is normal.

Nai Harn weather averages (imperial / metric)
Daytime temperature 30.3°C 86.5°F
Nightly temperature 23.5°C 74.3°F
Average temperature 26.9°C 80.4°F
Daily sunshine 5.5 hrs
Avg rainfall 402 mm 15.8 ins
Rainy days 23 days
Sea temperature 29.2°C 84.5°F
Humidity 83%
Windspeed 7.7kph 5 mph

On average September is the wettest month of the year in Nai Harn with around 402mm 15.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.5 hours of sunshine per day.

September temperatures in Nai Harn

Nai Harn average temperature in September

September rainfall

Nai Harn average rain in September

September hourly sunshine

Nai Harn average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Nai Harn in September 2023.

Other monthly averages

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Nai Harn weather stats

Nai Harn weather statistics
Hottest month: April 32.8°C 91°F
Driest month: February 28mm 1.1ins
Sunniest month: February 9.8hrs
Coldest month: September 30.1°C 86.2°F
Wettest month: September 402mm 15.8ins
Map showing location of Nai Harn (7.77859, 98.30661) Nai Harn map pin © Google

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