September Weather in Shawneetown, United States

Last updated: June 24, 2025

In September, the average temperature in Shawneetown, United States is a pleasant 23°C (73°F), with daily highs reaching up to 35°C (95°F) and lows dipping to 8°C (47°F). Expect about 82 mm (3.2 in) of precipitation over approximately 8 days, contributing to an average humidity level of 75%. Whether you're basking in the warmth or enjoying the occasional shower, this month offers a blissful climate for outdoor adventures!

September Temperature in Shawneetown

In September in Shawneetown, the average temperature is 23°C (73°F), with maximums possibly reaching 35°C (95°F) and minimums dropping as low as 8°C (47°F). It's a great time to enjoy a variety of outdoor activities, so pack accordingly for both the warm days and cooler evenings!

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

The chart illustrates September temperature patterns in Shawneetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shawneetown, September typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in Shawneetown

In Shawneetown in September, the total precipitation amount reached 82 mm (3.2 in) over the course of 8 days.

September Precipitation Trends in Shawneetown

The chart displays monthly precipitation patterns in Shawneetown, 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 Shawneetown, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 8 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 Shawneetown

In Shawneetown in September, humidity is 75%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel slightly uncomfortable yet invigorating as the air wraps around you, creating a sense of walking through a lush, tropical paradise.

September Average Humidity in Shawneetown

This chart illustrates the average monthly humidity levels in Shawneetown, 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 Shawneetown is approximately 75%, 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 Shawneetown

In Shawneetown 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 Shawneetown.

Maximum UV Index Levels in Shawneetown for September

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

Data source: Shawneetown 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 Shawneetown Compares to Other Months

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

This table compares monthly weather conditions in Shawneetown, 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 (36°F)	96 mm (3.8 inches)	86%	moderate
February Weather	4°C (39°F)	116 mm (4.6 inches)	84%	high
March Weather	9°C (49°F)	135 mm (5.3 inches)	84%	high
April Weather	14°C (57°F)	129 mm (5.1 inches)	80%	very high
May Weather	20°C (69°F)	127 mm (5.0 inches)	82%	extreme
June Weather	25°C (77°F)	117 mm (4.6 inches)	83%	extreme
July Weather	27°C (80°F)	89 mm (3.5 inches)	79%	very high
August Weather	25°C (77°F)	81 mm (3.2 inches)	76%	very high
September Weather	23°C (73°F)	82 mm (3.2 inches)	75%	very high
October Weather	16°C (61°F)	117 mm (4.6 inches)	74%	high
November Weather	8°C (46°F)	87 mm (3.4 inches)	85%	moderate
December Weather	5°C (42°F)	89 mm (3.5 inches)	88%	moderate