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September Weather in Pepeekeo, United States

Last updated: June 24, 2025

In September, the average temperature in Pepeekeo, United States is a pleasant 24°C (76°F), with temperatures dipping as low as 21°C (71°F) and peaking at 28°C (82°F). Expect 108 mm (4.3 in) of precipitation spread over 24 days, contributing to an average humidity level of 82%.

September Temperature in Pepeekeo

In September in Pepeekeo, the average temperature is 24°C (76°F). The maximum can reach 28°C (82°F), and the minimum can be as low as 21°C (71°F). This mild and pleasant climate makes Pepeekeo an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Pepeekeo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pepeekeo, September typically has an average temperature of 24°C (76°F), with highs reaching up to 28°C (82°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec707070717273747575757371
Data source: Temperature data for Pepeekeo 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 Pepeekeo

In Pepeekeo in September, the precipitation amount is 108 mm (4.3 in) spread over 24 days, indicating a relatively wet month.

September Precipitation Trends in Pepeekeo

The chart displays monthly precipitation patterns in Pepeekeo, 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 Pepeekeo, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec158262225195166107131197109189153228
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pepeekeo

In Pepeekeo in September, humidity is 82%. With an average temperature of 24°C (76°F), this humidity feels like wearing a warm, damp blanket, making travel uncomfortable and sticky as you explore.

September Average Humidity in Pepeekeo

This chart illustrates the average monthly humidity levels in Pepeekeo, 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 Pepeekeo is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%77%80%80%82%83%84%82%83%83%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pepeekeo

In Pepeekeo 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 Pepeekeo.

Maximum UV Index Levels in Pepeekeo for September

The chart shows the monthly maximum UV Index (UVI) for Pepeekeo 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 Pepeekeo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811121313131414131298
Data source: Pepeekeo 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 Pepeekeo Compares to Other Months

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

This table compares monthly weather conditions in Pepeekeo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)158 mm (6.2 inches)79%very high
February Weather21°C (70°F)262 mm (10.3 inches)79%extreme
March Weather21°C (70°F)225 mm (8.8 inches)77%extreme
April Weather22°C (71°F)195 mm (7.7 inches)80%extreme
May Weather22°C (73°F)166 mm (6.5 inches)80%extreme
June Weather23°C (74°F)106 mm (4.2 inches)82%extreme
July Weather24°C (75°F)131 mm (5.1 inches)83%extreme
August Weather24°C (75°F)197 mm (7.8 inches)84%extreme
September Weather24°C (76°F)108 mm (4.3 inches)82%extreme
October Weather24°C (75°F)189 mm (7.4 inches)83%extreme
November Weather23°C (74°F)153 mm (6.0 inches)83%very high
December Weather22°C (71°F)228 mm (9.0 inches)81%very high

Compare Pepeekeo's Climate with Cities Worldwide