September Weather in Parker, United States

Last updated: June 24, 2025

In September, the average temperature in Parker, United States hovers around 19°C (66°F), with a comfortable range between a cool 3°C (38°F) and a warm 32°C (91°F). Expect about 122 mm (4.8 in) of precipitation over 11 days, contributing to an average humidity of 67%. Whether you're packing for a trip or just curious about the climate, this mix of weather makes for an interesting experience!

September Temperature in Parker

In September in Parker, the average temperature is 19°C (66°F), with maximums reaching up to 32°C (91°F) and minimums dipping as low as 3°C (38°F). This means travelers should be prepared for warm days and cooler nights, making it a great time for outdoor exploration and layering options.

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

The chart illustrates September temperature patterns in Parker, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Parker, September typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (91°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Parker

In Parker in September, the total precipitation amount is 122 mm (4.8 in) over a span of 11 days.

September Precipitation Trends in Parker

The chart displays monthly precipitation patterns in Parker, 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 Parker, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Parker

In Parker in September humidity is 67%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace that envelops you as you travel, making each step a little heavier but still comfortable enough to explore the vibrant surroundings.

September Average Humidity in Parker

This chart illustrates the average monthly humidity levels in Parker, 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 Parker is approximately 67%, 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 Parker

In Parker in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Parker.

Maximum UV Index Levels in Parker for September

The chart shows the monthly maximum UV Index (UVI) for Parker 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 Parker typically reaches 8, which falls under the very high exposure category.

Data source: Parker 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 Parker Compares to Other Months

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

This table compares monthly weather conditions in Parker, 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 (29°F)	102 mm (4.0 inches)	89%	moderate
February Weather	0°C (33°F)	119 mm (4.7 inches)	90%	moderate
March Weather	4°C (39°F)	107 mm (4.2 inches)	89%	high
April Weather	10°C (49°F)	140 mm (5.5 inches)	88%	very high
May Weather	16°C (61°F)	159 mm (6.2 inches)	80%	very high
June Weather	20°C (69°F)	140 mm (5.5 inches)	79%	very high
July Weather	23°C (73°F)	151 mm (6.0 inches)	74%	very high
August Weather	22°C (71°F)	107 mm (4.2 inches)	64%	very high
September Weather	19°C (66°F)	122 mm (4.8 inches)	67%	very high
October Weather	13°C (55°F)	130 mm (5.1 inches)	81%	high
November Weather	5°C (40°F)	103 mm (4.1 inches)	89%	moderate
December Weather	1°C (35°F)	104 mm (4.1 inches)	88%	low