September Weather in Hardin, United States

Last updated: June 24, 2025

In September, the average temperature in Hardin, United States hovers around 26°C (79°F), creating a comfortable atmosphere. However, be prepared for a range, as temperatures can dip to a minimum of 12°C (55°F) and soar to a maximum of 37°C (99°F). With an average humidity of 72% and an expected precipitation amount of 225 mm (8.9 in) spread over 14 days, it's wise to pack for both warmth and occasional showers during your stay!

September Temperature in Hardin

In September in Hardin, the average temperature is 26°C (79°F). Maximums can reach 37°C (99°F) and minimums can be as low as 12°C (55°F). Travelers should be prepared for warm days and cooler evenings when visiting during this time.

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

The chart illustrates September temperature patterns in Hardin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hardin, September typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 12°C (55°F).

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

September Precipitation in Hardin

In Hardin in September, the total precipitation amount is 225 mm (8.9 in) spread over the course of 14 days.

September Precipitation Trends in Hardin

The chart displays monthly precipitation patterns in Hardin, 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 Hardin, September typically receives around 225 mm (8.9 inches) of precipitation spread over approximately 14 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 Hardin

In Hardin in September, humidity is 72%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel a bit more strenuous but also adding a tropical charm to your travels.

September Average Humidity in Hardin

This chart illustrates the average monthly humidity levels in Hardin, 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 Hardin is approximately 72%, 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 Hardin

In Hardin in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hardin.

Maximum UV Index Levels in Hardin for September

The chart shows the monthly maximum UV Index (UVI) for Hardin 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 Hardin typically reaches 10, which falls under the very high exposure category.

Data source: Hardin 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 Hardin Compares to Other Months

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

This table compares monthly weather conditions in Hardin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	102 mm (4.0 inches)	81%	moderate
February Weather	14°C (57°F)	98 mm (3.9 inches)	81%	very high
March Weather	18°C (65°F)	104 mm (4.1 inches)	79%	very high
April Weather	20°C (69°F)	115 mm (4.5 inches)	80%	very high
May Weather	24°C (76°F)	192 mm (7.6 inches)	81%	extreme
June Weather	27°C (81°F)	175 mm (6.9 inches)	76%	extreme
July Weather	28°C (83°F)	133 mm (5.2 inches)	73%	extreme
August Weather	28°C (83°F)	226 mm (8.9 inches)	71%	extreme
September Weather	26°C (79°F)	225 mm (8.9 inches)	72%	very high
October Weather	22°C (72°F)	127 mm (5.0 inches)	73%	very high
November Weather	16°C (61°F)	75 mm (3.0 inches)	83%	high
December Weather	14°C (57°F)	115 mm (4.5 inches)	88%	moderate