September Weather in Park River, United States

Last updated: June 24, 2025

In September, the average temperature in Park River, United States rests comfortably at 14°C (58°F). However, be prepared for a range in temperatures: it can dip as low as -3°C (28°F) or soar to a warm 33°C (91°F). During this time, expect 85 mm (3.4 in) of rain spread across about 7 days, with an average humidity level of 73% to keep the air feeling fresh and vibrant.

September Temperature in Park River

In September in Park River, the average temperature is 14°C (58°F). The maximum can reach 33°C (91°F), while the minimum can drop as low as -3°C (28°F). Travelers should be prepared for a wide range of temperatures during this time.

September Weather in Park River: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Park River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Park River, September typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (91°F) and lows dropping to around -3°C (28°F).

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

September Precipitation in Park River

In Park River in September, the precipitation amount is 85 mm (3.4 in) over the course of 7 days.

September Precipitation Trends in Park River

The chart displays monthly precipitation patterns in Park River, 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 Park River, September typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 7 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 Park River

In Park River in September, humidity is 73%. With an average temperature of 14°C (58°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit uncomfortable for traveling unless you stay hydrated and take frequent breaks in the shade.

September Average Humidity in Park River

This chart illustrates the average monthly humidity levels in Park River, 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 Park River 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 Park River

In Park River in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Park River.

Maximum UV Index Levels in Park River for September

The chart shows the monthly maximum UV Index (UVI) for Park River 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 Park River typically reaches 7, which falls under the high exposure category.

Data source: Park River 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 Park River Compares to Other Months

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

This table compares monthly weather conditions in Park River, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	16 mm (0.6 inches)	92%	low
February Weather	-14°C (7°F)	18 mm (0.7 inches)	90%	moderate
March Weather	-4°C (25°F)	21 mm (0.8 inches)	88%	moderate
April Weather	3°C (37°F)	28 mm (1.1 inches)	81%	high
May Weather	12°C (54°F)	49 mm (1.9 inches)	74%	very high
June Weather	19°C (67°F)	65 mm (2.6 inches)	72%	very high
July Weather	22°C (71°F)	52 mm (2.0 inches)	74%	very high
August Weather	19°C (67°F)	64 mm (2.5 inches)	76%	very high
September Weather	14°C (58°F)	85 mm (3.4 inches)	73%	high
October Weather	6°C (42°F)	77 mm (3.0 inches)	76%	moderate
November Weather	-4°C (26°F)	26 mm (1.0 inches)	86%	moderate
December Weather	-9°C (16°F)	30 mm (1.2 inches)	91%	low