September Weather in Independence, United States

Last updated: June 24, 2025

In September, the average temperature in Independence, United States is a comfortable 19°C (67°F). However, be prepared for a temperature range that can dive to a cool 3°C (38°F) at night or soar to a warm 31°C (87°F) during the day. Expect about 134 mm (5.3 in) of precipitation spread over 10 days, with an average humidity of 68%, making it a month of refreshing, occasional showers.

September Temperature in Independence

In September in Independence, the average temperature is 19°C (67°F). Maximums can reach 31°C (87°F), while minimums can drop as low as 3°C (38°F). This range makes Independence an ideal destination for travelers seeking both warm days and cool nights.

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

The chart illustrates September temperature patterns in Independence, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Independence, September typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (87°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Independence

In Independence in September, the total precipitation amount reaches 134 mm (5.3 in) over a span of 10 days.

September Precipitation Trends in Independence

The chart displays monthly precipitation patterns in Independence, 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 Independence, September typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 10 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 Independence

In Independence in September, humidity is 68%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket, making travel pleasant yet slightly muggy, which can be refreshing while exploring but may require occasional breaks to stay comfortable.

September Average Humidity in Independence

This chart illustrates the average monthly humidity levels in Independence, 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 Independence is approximately 68%, 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 Independence

In Independence 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 Independence.

Maximum UV Index Levels in Independence for September

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

Data source: Independence 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 Independence Compares to Other Months

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

This table compares monthly weather conditions in Independence, 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)	88 mm (3.5 inches)	87%	moderate
February Weather	5°C (41°F)	119 mm (4.7 inches)	87%	high
March Weather	8°C (46°F)	99 mm (3.9 inches)	86%	very high
April Weather	12°C (54°F)	145 mm (5.7 inches)	84%	very high
May Weather	17°C (62°F)	140 mm (5.5 inches)	83%	extreme
June Weather	20°C (68°F)	115 mm (4.5 inches)	83%	extreme
July Weather	22°C (72°F)	91 mm (3.6 inches)	79%	extreme
August Weather	21°C (71°F)	121 mm (4.8 inches)	66%	very high
September Weather	19°C (67°F)	134 mm (5.3 inches)	68%	very high
October Weather	14°C (58°F)	137 mm (5.4 inches)	78%	very high
November Weather	6°C (44°F)	76 mm (3.0 inches)	89%	moderate
December Weather	4°C (40°F)	106 mm (4.2 inches)	86%	moderate