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September Weather in Honomu, United States

Last updated: June 24, 2025

In September, the average temperature in Honomu, 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 Honomu

In September in Honomu, 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 Honomu an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Honomu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honomu, 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 Honomu 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 Honomu

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

September Precipitation Trends in Honomu

The chart displays monthly precipitation patterns in Honomu, 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 Honomu, 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 Honomu

In Honomu 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 Honomu

This chart illustrates the average monthly humidity levels in Honomu, 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 Honomu 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 Honomu

In Honomu 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 Honomu.

Maximum UV Index Levels in Honomu for September

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

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

This table compares monthly weather conditions in Honomu, 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

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