September Weather in Ha Hoa, Vietnam

Last updated: August 28, 2025

In September, the average temperature in Ha Hoa, Vietnam hovers around 28°C (82°F), offering a warm embrace for visitors. Expect minimums of 21°C (70°F) and highs soaring to 36°C (97°F). However, be prepared for the wet weather, as 260 mm (10.2 in) of precipitation can fall over 22 days of the month, alongside an average humidity level of 82%.

September Temperature in Ha Hoa

In September in Ha Hoa, the average temperature is a warm 28°C (82°F). Maximum temperatures can reach up to 36°C (97°F), while the minimum can drop to a comfortable 21°C (70°F). This climate makes Ha Hoa an ideal destination for travelers seeking pleasant weather during their visit.

September Weather in Ha Hoa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ha Hoa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ha Hoa, September typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec636471758185848482767164
Data source: Temperature data for Ha Hoa 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 Ha Hoa

In Ha Hoa in September, the precipitation amount is 260 mm (10.2 in) over the course of 22 days.

September Precipitation Trends in Ha Hoa

The chart displays monthly precipitation patterns in Ha Hoa, 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 Ha Hoa, September typically receives around 260 mm (10.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec6752991812712833644802602826266
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ha Hoa

In Ha Hoa in September humidity is 82%. With an average temperature of 28°C (82°F), this humidity feels like walking through a warm, dense blanket, making outdoor activities a challenge and necessitating frequent breaks to stay hydrated.

September Average Humidity in Ha Hoa

This chart illustrates the average monthly humidity levels in Ha Hoa, 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 Ha Hoa is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%65%57%50%68%79%91%92%82%76%72%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ha Hoa

In Ha Hoa in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Ha Hoa.

Maximum UV Index Levels in Ha Hoa for September

The chart shows the monthly maximum UV Index (UVI) for Ha Hoa 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 Ha Hoa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121213131314131197
Data source: Ha Hoa 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 Ha Hoa Compares to Other Months

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

This table compares monthly weather conditions in Ha Hoa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)67 mm (2.6 inches)63%very high
February Weather18°C (65°F)51 mm (2.0 inches)65%very high
March Weather22°C (72°F)99 mm (3.9 inches)57%extreme
April Weather24°C (76°F)181 mm (7.1 inches)50%extreme
May Weather27°C (81°F)271 mm (10.7 inches)68%extreme
June Weather30°C (85°F)283 mm (11.1 inches)79%extreme
July Weather29°C (85°F)364 mm (14.3 inches)91%extreme
August Weather29°C (84°F)480 mm (18.9 inches)92%extreme
September Weather28°C (82°F)260 mm (10.2 inches)82%extreme
October Weather25°C (77°F)282 mm (11.1 inches)76%extreme
November Weather22°C (72°F)62 mm (2.4 inches)72%very high
December Weather18°C (64°F)66 mm (2.6 inches)68%high

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