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September Weather in Cai Dau, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Cai Dau, Vietnam is a warm 28°C (82°F). Expect a minimum of 24°C (76°F) and a comfortable maximum of 34°C (94°F). However, be prepared for some rain, as the area receives an impressive 280 mm (11.0 in) of precipitation over 28 days, accompanied by a high average humidity of 89%.

September Temperature in Cai Dau

In September in Cai Dau, the average temperature is 28°C (82°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 24°C (76°F). This warm weather makes it an ideal time for traveling and enjoying outdoor activities in Cai Dau.

September Weather in Cai Dau: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cai Dau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cai Dau, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808184858483828282828281
Data source: Temperature data for Cai Dau generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Cai Dau

In Cai Dau in September, the precipitation amount is 280 mm (11.0 in) distributed over 28 days.

September Precipitation Trends in Cai Dau

The chart displays monthly precipitation patterns in Cai Dau, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Cai Dau, September typically receives around 280 mm (11.0 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec33212912217620524123728028516568
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cai Dau

In Cai Dau in September humidity is 89%. With an average temperature of 28°C (82°F), this humidity feels like a thick, warm blanket enveloping you, making every step feel slightly heavier and the air dense, which can be quite stifling for traveling.

September Average Humidity in Cai Dau

This chart illustrates the average monthly humidity levels in Cai Dau, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Cai Dau is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%58%61%80%87%89%90%89%87%87%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cai Dau

In Cai Dau in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Cai Dau, you can check here.

Maximum UV Index Levels in Cai Dau for September

The chart shows the monthly maximum UV Index (UVI) for Cai Dau in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Cai Dau typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101415151413131414131111
Data source: Cai Dau September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Cai Dau Compares to Other Months

Weather in Cai Dau varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cai Dau, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Cai Dau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)33 mm (1.3 inches)65%very high
February Weather27°C (81°F)21 mm (0.8 inches)61%extreme
March Weather29°C (84°F)29 mm (1.1 inches)58%extreme
April Weather29°C (85°F)122 mm (4.8 inches)60%extreme
May Weather29°C (84°F)176 mm (6.9 inches)80%extreme
June Weather28°C (83°F)205 mm (8.1 inches)87%extreme
July Weather28°C (83°F)241 mm (9.5 inches)89%extreme
August Weather28°C (83°F)237 mm (9.3 inches)90%extreme
September Weather28°C (82°F)280 mm (11.0 inches)89%extreme
October Weather28°C (82°F)285 mm (11.2 inches)87%extreme
November Weather28°C (82°F)165 mm (6.5 inches)87%extreme
December Weather27°C (81°F)68 mm (2.7 inches)80%extreme

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