September Weather in Coldwater, United States

Last updated: June 24, 2025

In Coldwater, United States, the average temperature in September is a pleasant 25°C (78°F), perfect for outdoor adventures. However, be prepared for a wide temperature range, with minimums dipping to 11°C (51°F) and maximums soaring up to 38°C (100°F). Expect 95 mm (3.8 in) of precipitation over 9 days, contributing to an average humidity of 74% that keeps the air feeling fresh. Enjoy your stay!

September Temperature in Coldwater

In September in Coldwater, the average temperature is 25°C (78°F). Maximums can reach 38°C (100°F), and minimums can be as low as 11°C (51°F). This mild climate makes Coldwater an ideal destination for travelers looking to enjoy warm weather activities.

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

The chart illustrates September temperature patterns in Coldwater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coldwater, September typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Coldwater

In Coldwater in September, the total precipitation amount is 95 mm (3.8 in) over the course of 9 days.

September Precipitation Trends in Coldwater

The chart displays monthly precipitation patterns in Coldwater, 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 Coldwater, September typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 9 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 Coldwater

In Coldwater in September humidity is 74%. With an average temperature of 25°C (78°F), this humidity feels like you're enveloped in a warm, thick blanket, making outdoor activities feel more strenuous and necessitating frequent breaks and hydration for comfortable travel.

September Average Humidity in Coldwater

This chart illustrates the average monthly humidity levels in Coldwater, 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 Coldwater is approximately 74%, 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 Coldwater

In Coldwater 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 Coldwater.

Maximum UV Index Levels in Coldwater for September

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

Data source: Coldwater 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 Coldwater Compares to Other Months

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

This table compares monthly weather conditions in Coldwater, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	111 mm (4.4 inches)	85%	moderate
February Weather	11°C (53°F)	173 mm (6.8 inches)	84%	high
March Weather	15°C (60°F)	122 mm (4.8 inches)	82%	very high
April Weather	18°C (64°F)	168 mm (6.6 inches)	82%	very high
May Weather	23°C (73°F)	131 mm (5.2 inches)	82%	extreme
June Weather	26°C (79°F)	158 mm (6.2 inches)	79%	extreme
July Weather	27°C (81°F)	114 mm (4.5 inches)	82%	extreme
August Weather	27°C (80°F)	140 mm (5.5 inches)	77%	extreme
September Weather	25°C (78°F)	95 mm (3.8 inches)	74%	very high
October Weather	20°C (68°F)	104 mm (4.1 inches)	73%	very high
November Weather	12°C (54°F)	70 mm (2.8 inches)	85%	high
December Weather	11°C (51°F)	118 mm (4.6 inches)	88%	moderate