September Weather in Homer, United States

Last updated: June 24, 2025

In September, the average temperature in Homer, United States hovers around 21°C (70°F), creating a pleasant atmosphere. Minimum temperatures can dip to 6°C (42°F), while the highs can reach a warm 34°C (93°F). Expect about 80 mm (3.2 in) of precipitation spread over 7 days, contributing to an average humidity of 79%. Stay prepared for varying weather as you enjoy your time in this vibrant locale!

September Temperature in Homer

In September in Homer, the average temperature is 21°C (70°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 6°C (42°F). This pleasant climate makes Homer an ideal destination for travelers seeking a comfortable getaway.

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 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (42°F).

Data source: Temperature data for Homer generated using information from the Copernicus Climate Change Service.

September Precipitation in Homer

In Homer in September, the total precipitation amount is 80 mm (3.2 in) over the course of 7 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 80 mm (3.2 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Homer

In Homer in September humidity is 79%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky but still enjoyable for travelers who appreciate the lush, vibrant atmosphere.

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 79%, offering insight into how humid the weather typically is during this month.

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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	78 mm (3.1 inches)	84%	moderate
February Weather	0°C (32°F)	78 mm (3.1 inches)	82%	moderate
March Weather	6°C (43°F)	112 mm (4.4 inches)	84%	high
April Weather	11°C (53°F)	117 mm (4.6 inches)	83%	very high
May Weather	18°C (65°F)	142 mm (5.6 inches)	80%	very high
June Weather	24°C (75°F)	103 mm (4.1 inches)	83%	extreme
July Weather	25°C (78°F)	87 mm (3.4 inches)	82%	very high
August Weather	24°C (75°F)	105 mm (4.1 inches)	82%	very high
September Weather	21°C (70°F)	80 mm (3.2 inches)	79%	very high
October Weather	14°C (58°F)	117 mm (4.6 inches)	79%	high
November Weather	5°C (42°F)	77 mm (3.0 inches)	88%	moderate
December Weather	2°C (36°F)	59 mm (2.3 inches)	87%	moderate