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September Weather in Vaisala, Samoa

Last updated: August 31, 2025

In September, the average temperature in Vaisala, Samoa hovers around 27°C (80°F). Expect a minimum of 25°C (76°F) and a comfortable maximum of 28°C (83°F). However, be prepared for some rain, as the region sees approximately 47 mm (1.9 in) of precipitation over 9 days, contributing to an average humidity of 84%. 🌧️

September Temperature in Vaisala

In September in Vaisala, the average temperature is 27°C (80°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop to as low as 25°C (76°F). This mild climate makes Vaisala an ideal destination for travelers seeking pleasant weather.

September Weather in Vaisala: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Vaisala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vaisala, September typically has an average temperature of 27°C (80°F), with highs reaching up to 28°C (83°F) and lows dropping to around 25°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec808081818181807980808080
Data source: Temperature data for Vaisala 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 Vaisala

In Vaisala in September, the precipitation amount is 47 mm (1.9 in) spread over a period of 9 days.

September Precipitation Trends in Vaisala

The chart displays monthly precipitation patterns in Vaisala, 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 Vaisala, September typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec32857514217914070114634790174394
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vaisala

In Vaisala in September, humidity is 84%. With an average temperature of 27°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel sluggish and exhausting.

September Average Humidity in Vaisala

This chart illustrates the average monthly humidity levels in Vaisala, 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 Vaisala is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%78%78%79%80%82%84%84%82%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vaisala

In Vaisala 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 Vaisala, you can check here.

Maximum UV Index Levels in Vaisala for September

The chart shows the monthly maximum UV Index (UVI) for Vaisala 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 Vaisala typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161613119101214151515
Data source: Vaisala 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 Vaisala Compares to Other Months

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

This table compares monthly weather conditions in Vaisala, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)328 mm (12.9 inches)78%extreme
February Weather26°C (80°F)575 mm (22.6 inches)78%extreme
March Weather27°C (81°F)142 mm (5.6 inches)78%extreme
April Weather27°C (81°F)179 mm (7.0 inches)78%extreme
May Weather27°C (81°F)140 mm (5.5 inches)79%extreme
June Weather27°C (81°F)70 mm (2.8 inches)80%very high
July Weather27°C (80°F)114 mm (4.5 inches)82%very high
August Weather26°C (80°F)63 mm (2.5 inches)84%extreme
September Weather27°C (80°F)47 mm (1.9 inches)84%extreme
October Weather27°C (80°F)90 mm (3.5 inches)82%extreme
November Weather27°C (80°F)174 mm (6.9 inches)80%extreme
December Weather27°C (80°F)394 mm (15.5 inches)79%extreme

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