September Weather in Port O'Connor, United States

Last updated: June 24, 2025

In September, the average temperature in Port O'Connor, United States hovers around 27°C (82°F), providing a delightful climate for outdoor activities. Expect minimum temperatures to dip to 16°C (62°F) and peak at a warm 34°C (93°F). With an average humidity of 73%, the air feels comfortably balmy, though be prepared for precipitation of 145 mm (5.7 in) over 17 days—perfect for nurturing the lush surroundings!

September Temperature in Port O'Connor

In September in Port O'Connor, the average temperature is 27°C (82°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 16°C (62°F). This mild weather makes Port O'Connor an ideal destination for travelers seeking pleasant conditions.

September Weather in Port O'Connor: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port O'Connor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port O'Connor, September typically has an average temperature of 27°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 16°C (62°F).

Data source: Temperature data for Port O'Connor generated using information from the Copernicus Climate Change Service.

September Precipitation in Port O'Connor

In Port O'Connor in September, the total precipitation amount is 145 mm (5.7 in) occurring over a span of 17 days.

September Precipitation Trends in Port O'Connor

The chart displays monthly precipitation patterns in Port O'Connor, 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 Port O'Connor, September typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 17 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 Port O'Connor

In Port O'Connor in September, humidity is 73%. With an average temperature of 27°C (82°F), this humidity feels like you're walking through a warm, thick blanket, making travel feel sticky and requiring frequent breaks to stay refreshed.

September Average Humidity in Port O'Connor

This chart illustrates the average monthly humidity levels in Port O'Connor, 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 Port O'Connor is approximately 73%, 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 Port O'Connor

In Port O'Connor in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Port O'Connor.

Maximum UV Index Levels in Port O'Connor for September

The chart shows the monthly maximum UV Index (UVI) for Port O'Connor 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 Port O'Connor typically reaches 11, which falls under the extreme exposure category.

Data source: Port O'Connor 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 Port O'Connor Compares to Other Months

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

This table compares monthly weather conditions in Port O'Connor, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	57 mm (2.3 inches)	78%	moderate
February Weather	15°C (60°F)	58 mm (2.3 inches)	81%	very high
March Weather	19°C (67°F)	58 mm (2.3 inches)	76%	very high
April Weather	22°C (72°F)	58 mm (2.3 inches)	79%	extreme
May Weather	26°C (78°F)	113 mm (4.4 inches)	79%	extreme
June Weather	28°C (83°F)	143 mm (5.6 inches)	74%	extreme
July Weather	29°C (84°F)	113 mm (4.4 inches)	71%	extreme
August Weather	29°C (84°F)	126 mm (5.0 inches)	68%	extreme
September Weather	27°C (82°F)	145 mm (5.7 inches)	73%	extreme
October Weather	24°C (75°F)	84 mm (3.3 inches)	75%	very high
November Weather	19°C (66°F)	63 mm (2.5 inches)	78%	high
December Weather	16°C (61°F)	67 mm (2.6 inches)	84%	moderate