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September Weather in Cai Nhum, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Cai Nhum, Vietnam is a warm 28°C (82°F). Temperatures can dip to a low of 24°C (76°F) and rise to a high of 34°C (93°F). Expect significant rainfall, with an average of 289 mm (11.4 in) over 27 days, contributing to the tropical ambiance. With an average humidity of 89%, the air feels lush and vibrant, perfect for those who enjoy a humid climate!

September Temperature in Cai Nhum

In September in Cai Nhum, the average temperature is 28°C (82°F), with maximums reaching 34°C (93°F) and minimums dropping to 24°C (76°F). This pleasant climate makes Cai Nhum an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Cai Nhum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cai Nhum, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808083848483828282818180
Data source: Temperature data for Cai Nhum 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 Nhum

In Cai Nhum in September, the total precipitation amount is 289 mm (11.4 in) spread over 27 days.

September Precipitation Trends in Cai Nhum

The chart displays monthly precipitation patterns in Cai Nhum, 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 Nhum, September typically receives around 289 mm (11.4 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec4314159320122827629528929217978
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cai Nhum

In Cai Nhum 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 Nhum

This chart illustrates the average monthly humidity levels in Cai Nhum, 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 Nhum 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 Nhum

In Cai Nhum 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 Nhum, you can check here.

Maximum UV Index Levels in Cai Nhum for September

The chart shows the monthly maximum UV Index (UVI) for Cai Nhum 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 Nhum typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315141413131414131110
Data source: Cai Nhum 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 Nhum Compares to Other Months

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

This table compares monthly weather conditions in Cai Nhum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)43 mm (1.7 inches)65%very high
February Weather27°C (80°F)14 mm (0.6 inches)61%extreme
March Weather28°C (83°F)15 mm (0.6 inches)58%extreme
April Weather29°C (84°F)93 mm (3.7 inches)60%extreme
May Weather29°C (84°F)201 mm (7.9 inches)80%extreme
June Weather28°C (83°F)228 mm (9.0 inches)87%extreme
July Weather28°C (82°F)276 mm (10.9 inches)89%extreme
August Weather28°C (82°F)295 mm (11.6 inches)90%extreme
September Weather28°C (82°F)289 mm (11.4 inches)89%extreme
October Weather27°C (82°F)292 mm (11.5 inches)87%extreme
November Weather27°C (82°F)179 mm (7.0 inches)87%extreme
December Weather27°C (80°F)78 mm (3.1 inches)80%very high

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