September Weather in Owasso, United States

Last updated: June 24, 2025

In Owasso, United States, the average temperature in September is a pleasant 24°C (76°F). Expect a range where temperatures can dip to a refreshing 8°C (46°F) or soar to a sizzling 36°C (97°F). This month brings about 87 mm (3.4 in) of precipitation spread across 6 days, coupled with an average humidity of 67%, making it an ideal time for both adventure and relaxation.

September Temperature in Owasso

In September in Owasso, the average temperature is 24°C (76°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 8°C (46°F). This climate makes Owasso an ideal destination for travelers seeking warm weather with a range of temperatures suitable for various activities.

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

The chart illustrates September temperature patterns in Owasso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Owasso, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Owasso

In Owasso in September, the precipitation amount is 87 mm (3.4 in) spread over a period of 6 days.

September Precipitation Trends in Owasso

The chart displays monthly precipitation patterns in Owasso, 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 Owasso, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 6 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Owasso

In Owasso in September humidity is 67%. With an average temperature of 24°C (76°F), this humidity feels like a warm, steamy embrace, making travel slightly more challenging as you navigate through the thick air.

September Average Humidity in Owasso

This chart illustrates the average monthly humidity levels in Owasso, 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 Owasso is approximately 67%, 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 Owasso

In Owasso 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 Owasso.

Maximum UV Index Levels in Owasso for September

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

Data source: Owasso 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 Owasso Compares to Other Months

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

This table compares monthly weather conditions in Owasso, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	77 mm (3.0 inches)	77%	moderate
February Weather	5°C (41°F)	69 mm (2.7 inches)	76%	high
March Weather	12°C (54°F)	116 mm (4.6 inches)	71%	high
April Weather	15°C (60°F)	148 mm (5.8 inches)	73%	very high
May Weather	21°C (70°F)	198 mm (7.8 inches)	83%	very high
June Weather	26°C (79°F)	104 mm (4.1 inches)	83%	extreme
July Weather	28°C (83°F)	94 mm (3.7 inches)	81%	extreme
August Weather	27°C (81°F)	120 mm (4.7 inches)	73%	very high
September Weather	24°C (76°F)	87 mm (3.4 inches)	67%	very high
October Weather	17°C (62°F)	141 mm (5.6 inches)	72%	high
November Weather	10°C (50°F)	51 mm (2.0 inches)	82%	moderate
December Weather	7°C (44°F)	49 mm (1.9 inches)	85%	moderate