September Weather in Oberlin, United States

Last updated: June 24, 2025

In September, the average temperature in Oberlin, United States is a comfortable 21°C (70°F), ideal for exploring the area. However, be prepared for the temperature to fluctuate, with a minimum of 3°C (38°F) and a maximum of 36°C (98°F) possible. Expect 70 mm (2.8 in) of precipitation over the course of 5 days, contributing to an average humidity of 82%. Pack accordingly to enjoy every moment of your visit!

September Temperature in Oberlin

In September in Oberlin, the average temperature is 21°C (70°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 3°C (38°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates September temperature patterns in Oberlin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oberlin, September typically has an average temperature of 21°C (70°F), with highs reaching up to 36°C (98°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Oberlin

In Oberlin in September, the precipitation amount is 70 mm (2.8 in) over the course of 5 days.

September Precipitation Trends in Oberlin

The chart displays monthly precipitation patterns in Oberlin, 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 Oberlin, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 5 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 Oberlin

In Oberlin in September, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

September Average Humidity in Oberlin

This chart illustrates the average monthly humidity levels in Oberlin, 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 Oberlin is approximately 82%, 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 Oberlin

In Oberlin 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 Oberlin.

Maximum UV Index Levels in Oberlin for September

The chart shows the monthly maximum UV Index (UVI) for Oberlin 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 Oberlin typically reaches 9, which falls under the very high exposure category.

Data source: Oberlin 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 Oberlin Compares to Other Months

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

This table compares monthly weather conditions in Oberlin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	19 mm (0.8 inches)	74%	moderate
February Weather	-1°C (30°F)	17 mm (0.7 inches)	78%	moderate
March Weather	6°C (43°F)	64 mm (2.5 inches)	66%	high
April Weather	11°C (51°F)	38 mm (1.5 inches)	66%	very high
May Weather	16°C (61°F)	128 mm (5.0 inches)	83%	very high
June Weather	24°C (76°F)	62 mm (2.4 inches)	83%	extreme
July Weather	26°C (79°F)	70 mm (2.7 inches)	83%	extreme
August Weather	24°C (75°F)	61 mm (2.4 inches)	86%	very high
September Weather	21°C (70°F)	70 mm (2.8 inches)	82%	very high
October Weather	11°C (53°F)	56 mm (2.2 inches)	75%	high
November Weather	6°C (43°F)	15 mm (0.6 inches)	77%	moderate
December Weather	1°C (35°F)	24 mm (0.9 inches)	82%	moderate