September Weather in Phelps, United States

Last updated: June 24, 2025

In September, the average temperature in Phelps, United States hovers around 21°C (70°F), with a minimum dipping to 7°C (45°F) and a maximum soaring to 35°C (95°F). Expect 95 mm (3.8 in) of precipitation spread over 9 days, contributing to a comfortable average humidity of 68%.

September Temperature in Phelps

In September in Phelps, the average temperature is 21°C (70°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 7°C (45°F). This diverse temperature range makes it important for travelers to pack accordingly to enjoy their stay comfortably.

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

The chart illustrates September temperature patterns in Phelps, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phelps, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Phelps

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

September Precipitation Trends in Phelps

The chart displays monthly precipitation patterns in Phelps, 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 Phelps, 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 Phelps

In Phelps in September humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

September Average Humidity in Phelps

This chart illustrates the average monthly humidity levels in Phelps, 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 Phelps 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 Phelps

In Phelps 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 Phelps.

Maximum UV Index Levels in Phelps for September

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

Data source: Phelps 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 Phelps Compares to Other Months

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

This table compares monthly weather conditions in Phelps, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	94 mm (3.7 inches)	87%	moderate
February Weather	6°C (43°F)	166 mm (6.5 inches)	87%	high
March Weather	9°C (49°F)	126 mm (4.9 inches)	86%	high
April Weather	13°C (56°F)	130 mm (5.1 inches)	84%	very high
May Weather	19°C (66°F)	122 mm (4.8 inches)	83%	very high
June Weather	22°C (72°F)	140 mm (5.5 inches)	83%	very high
July Weather	25°C (76°F)	105 mm (4.1 inches)	79%	extreme
August Weather	23°C (74°F)	114 mm (4.5 inches)	66%	very high
September Weather	21°C (70°F)	95 mm (3.8 inches)	68%	very high
October Weather	16°C (61°F)	125 mm (4.9 inches)	78%	high
November Weather	8°C (46°F)	78 mm (3.1 inches)	89%	moderate
December Weather	5°C (42°F)	120 mm (4.7 inches)	86%	moderate