Temperatures in September
It's hot in September in Gua Sai with an average temperature of 33°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 22°C and 23°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Gua Sai in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Gua Sai with hot temperatures, averaging around 33°C during the day and nights close to 23°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-September
By mid-September, the average daytime temperature stays the same at 33°C, with nights close to 23°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of September
By the end of September, the average daytime temperature in Gua Sai will be around 33°C, with nights close to 23°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in September
In September, there is an average of 186 mm of precipitation, spread over 25 days. The wind speed is around 2 Bft, mostly coming from the South.
With an average precipitation chance of 82% this month, rainy days are almost inevitable.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Gua Sai. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Gua Sai in September |
London | ||
|---|---|---|---|
 Average Temperature |
33°C | 20°C | |
 High Temp |
33°C | 22°C | |
| Low Temp |
32°C | 17°C | |
 Total Precipitation |
186 mm | 44 mm | |
| Rainy Days |
25 days | 8 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Gua Sai?
After some sun? Then September isn’t the best time to be in Gua Sai. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Gua Sai in September
With 36°C, Gua Sai hit the highest temperature in the last 10 years in September 2021. The lowest daytime temperature in this month was 26°C in 2023. The extreme night temperatures ranged from a low of 15°C to a high of 26°C.
Check out the climate of Gua Sai for all months and discover the best travel time
Curious about the climate in other parts of Malaysia? Check out the weather and climate in places like Kuala Lumpur, Penang, or have a look at other destinations in Malaysia.
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Daily Temperature in September in Gua Sai
This chart shows the average daily temperatures, both day and night, for each day in September in Gua Sai, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Gua Sai
The chart below shows the average daily precipitation in September for Gua Sai, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 25 days of rain in Gua Sai.
Daily UV Index in September in Gua Sai
This chart shows the average daily UV index in September in Gua Sai, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Gua Sai Over the Years
This chart shows the average temperature in September in Gua Sai, measured in degrees Celsius, over the past years.
Total Precipitation in September in Gua Sai Over the Years
This chart shows the average precipitation in September in Gua Sai, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Gua Sai
Click on a specific day in September for detailed info on the typical weather on that day in Gua Sai. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Gua Sai
Have you been to Gua Sai in September?
Share your weather experience in September in Gua Sai.
Average Weather in Gua Sai by Month
Click on a month below to see detailed weather info for Gua Sai. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
