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September Weather in Homer, United States

Last updated: June 24, 2025

In September, the average temperature in Homer, United States hovers around 24°C (75°F). Expect a range that dips to a minimum of 10°C (51°F) and peaks at a sweltering 36°C (96°F). During this time, precipitation amounts to 123 mm (4.8 in) over about 9 days, contributing to an average humidity level of 76%.

September Temperature in Homer

In September in Homer, the average temperature is 24°C (75°F). The maximum can reach 36°C (96°F), and the minimum can be as low as 10°C (51°F). This pleasant climate makes Homer an ideal destination for travelers seeking a mix of warmth and cool breezes.

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

The chart illustrates September temperature patterns in Homer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Homer, September typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (96°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec455055627176797974665248
Data source: Temperature data for Homer 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 Homer

In Homer in September, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.

September Precipitation Trends in Homer

The chart displays monthly precipitation patterns in Homer, 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 Homer, September typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec10715112512313511510713712315481138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Homer

In Homer in September, humidity is 76%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities feel a bit sluggish and urging you to seek shade and hydration.

September Average Humidity in Homer

This chart illustrates the average monthly humidity levels in Homer, 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 Homer is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Homer

In Homer in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Homer.

Maximum UV Index Levels in Homer for September

The chart shows the monthly maximum UV Index (UVI) for Homer 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 Homer typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111111109864
Data source: Homer 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 Homer Compares to Other Months

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

This table compares monthly weather conditions in Homer, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)107 mm (4.2 inches)86%moderate
February Weather10°C (51°F)151 mm (5.9 inches)86%high
March Weather13°C (56°F)125 mm (4.9 inches)86%very high
April Weather17°C (62°F)123 mm (4.9 inches)82%extreme
May Weather21°C (71°F)135 mm (5.3 inches)85%extreme
June Weather25°C (76°F)115 mm (4.5 inches)85%extreme
July Weather26°C (80°F)107 mm (4.2 inches)83%extreme
August Weather26°C (79°F)137 mm (5.4 inches)76%very high
September Weather24°C (75°F)123 mm (4.8 inches)76%very high
October Weather19°C (66°F)154 mm (6.1 inches)80%very high
November Weather11°C (53°F)81 mm (3.2 inches)88%high
December Weather9°C (48°F)137 mm (5.4 inches)88%moderate

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