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September Weather in Santa Barbara, Philippines

Last updated: August 27, 2025

In September, the average temperature in Santa Barbara, Philippines hovers around 28°C (83°F), providing a warm and inviting climate. Expect minimums of 23°C (73°F) and occasional peaks reaching 35°C (95°F). However, with an average precipitation amount of 265 mm (10.4 in) spread over 26 days, pack your rain gear! Additionally, the average humidity sits at a steamy 89%, adding to the overall tropical ambiance.

September Temperature in Santa Barbara

In September in Santa Barbara, the average temperature is 28°C (83°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 23°C (73°F). This warm climate makes Santa Barbara an ideal destination for sun-seekers and outdoor enthusiasts.

September Weather in Santa Barbara: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Barbara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Barbara, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec798083868785838282828281
Data source: Temperature data for Santa Barbara 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 Santa Barbara

In Santa Barbara in September, the total precipitation amount is 265 mm (10.4 in), recorded over a span of 26 days.

September Precipitation Trends in Santa Barbara

The chart displays monthly precipitation patterns in Santa Barbara, 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 Santa Barbara, September typically receives around 265 mm (10.4 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec6023182314123134932126520210899
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Barbara

In Santa Barbara in September, humidity is 89%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel sticky and strenuous, and requiring constant hydration to stay comfortable while exploring.

September Average Humidity in Santa Barbara

This chart illustrates the average monthly humidity levels in Santa Barbara, 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 Santa Barbara is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%71%69%69%76%87%89%89%89%86%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Barbara

In Santa Barbara 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 Santa Barbara, you can check here.

Maximum UV Index Levels in Santa Barbara for September

The chart shows the monthly maximum UV Index (UVI) for Santa Barbara 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 Santa Barbara typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151314141414131010
Data source: Santa Barbara 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 Santa Barbara Compares to Other Months

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

This table compares monthly weather conditions in Santa Barbara, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)60 mm (2.4 inches)76%extreme
February Weather27°C (80°F)22 mm (0.9 inches)71%extreme
March Weather29°C (84°F)18 mm (0.7 inches)68%extreme
April Weather30°C (86°F)23 mm (0.9 inches)69%extreme
May Weather31°C (87°F)141 mm (5.6 inches)76%extreme
June Weather29°C (85°F)231 mm (9.1 inches)87%extreme
July Weather28°C (83°F)349 mm (13.7 inches)88%extreme
August Weather28°C (83°F)321 mm (12.6 inches)89%extreme
September Weather28°C (83°F)265 mm (10.4 inches)89%extreme
October Weather28°C (83°F)202 mm (7.9 inches)86%extreme
November Weather28°C (82°F)108 mm (4.3 inches)89%very high
December Weather27°C (81°F)99 mm (3.9 inches)86%very high

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