September Weather in Isabela

Last updated: March 2, 2024

The weather in Isabela, Philippines, during September is characterized by an average temperature of 27°C (81°F). Highs can soar to 33°C (91°F), while lows may dip to 23°C (75°F). Typically, the humidity level in Isabela throughout September hovers around 90%.

23°C (75°F)

Minimum temperature

27°C (81°F)

Average temperature

33°C (91°F)

Maximum temperature

90%

Humidity

Precipitation and Sunshine hours

In September, Isabela averages 335 mm (13.2 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 12 hours 9 minutes of daylight, with the sun shining for approximately 8 hours 45 minutes each day. Additionally, there is a 8% probability of sunny days during this period.

335 mm (13.2 inches)

Precipitation

28 rainy days

Rainy days

8 hours 45 minutes

Sunshine hours

8%

Chance of sun

UV Index

In September, the UV Index in Isabela reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 2 4 8 12 14 15 13 9 5 2 1 0 0
Exposure Low Moderate VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 30 min 45 min

Compare Isabela's Climate with Cities Worldwide