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September Weather in Maunawili, United States

Last updated: June 24, 2025

In Maunawili, United States, the average temperature in September hovers around 26°C (79°F), with a pleasant variation where the minimum can dip to 23°C (75°F) and the maximum can reach 28°C (83°F). During this time, you can expect an average precipitation of 19 mm (0.7 in) spread over about 4 days, contributing to an average humidity level of 82%.

September Temperature in Maunawili

In September in Maunawili, the average temperature is 26°C (79°F), with maximums reaching 28°C (83°F) and minimums dropping to as low as 23°C (75°F). This pleasant weather makes it an ideal time for travelers to explore the beauty and culture of Maunawili.

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

The chart illustrates September temperature patterns in Maunawili, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maunawili, September typically has an average temperature of 26°C (79°F), with highs reaching up to 28°C (83°F) and lows dropping to around 23°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec747373747577787979787775
Data source: Temperature data for Maunawili 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 Maunawili

In Maunawili in September, the precipitation amount is 19 mm (0.7 in) over the course of 4 days.

September Precipitation Trends in Maunawili

The chart displays monthly precipitation patterns in Maunawili, 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 Maunawili, September typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec166066302327131519452563
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Maunawili

In Maunawili in September, humidity is 82%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket that envelops you, making outdoor activities feel more taxing and requiring frequent breaks to stay hydrated.

September Average Humidity in Maunawili

This chart illustrates the average monthly humidity levels in Maunawili, 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 Maunawili is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%78%81%82%82%83%83%82%81%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Maunawili

In Maunawili in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Maunawili.

Maximum UV Index Levels in Maunawili for September

The chart shows the monthly maximum UV Index (UVI) for Maunawili 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 Maunawili typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111212131313121188
Data source: Maunawili 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 Maunawili Compares to Other Months

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

This table compares monthly weather conditions in Maunawili, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)16 mm (0.6 inches)78%very high
February Weather23°C (73°F)60 mm (2.4 inches)79%very high
March Weather23°C (73°F)66 mm (2.6 inches)78%extreme
April Weather24°C (75°F)30 mm (1.2 inches)81%extreme
May Weather24°C (76°F)23 mm (0.9 inches)82%extreme
June Weather25°C (78°F)27 mm (1.1 inches)82%extreme
July Weather26°C (79°F)13 mm (0.5 inches)83%extreme
August Weather26°C (79°F)15 mm (0.6 inches)83%extreme
September Weather26°C (79°F)19 mm (0.7 inches)82%extreme
October Weather26°C (79°F)45 mm (1.8 inches)81%extreme
November Weather25°C (77°F)25 mm (1.0 inches)80%very high
December Weather24°C (75°F)63 mm (2.5 inches)79%very high

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