September Weather in Colonial Park, United States

Last updated: June 24, 2025

In September, the average temperature in Colonial Park, United States hovers around 21°C (69°F), with nighttime lows dipping to a cool 5°C (41°F) and daytime highs soaring to a warm 34°C (94°F). Expect about 113 mm (4.5 in) of precipitation spread over 10 days, while the average humidity rests at a comfortable 66%.

September Temperature in Colonial Park

In September in Colonial Park, the average temperature is 21°C (69°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 5°C (41°F). This makes it a great time for travelers to enjoy a variety of outdoor activities while being prepared for some temperature fluctuations.

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

The chart illustrates September temperature patterns in Colonial Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colonial Park, September typically has an average temperature of 21°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Colonial Park

In Colonial Park in September, the total precipitation amount is 113 mm (4.5 in) over the course of 10 days.

September Precipitation Trends in Colonial Park

The chart displays monthly precipitation patterns in Colonial Park, 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 Colonial Park, September typically receives around 113 mm (4.5 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 Colonial Park

In Colonial Park in September humidity is 66%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, making it a bit sticky, but still comfortable for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Colonial Park

This chart illustrates the average monthly humidity levels in Colonial Park, 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 Colonial Park is approximately 66%, 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 Colonial Park

In Colonial Park 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 Colonial Park.

Maximum UV Index Levels in Colonial Park for September

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

Data source: Colonial Park 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 Colonial Park Compares to Other Months

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

This table compares monthly weather conditions in Colonial Park, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	68 mm (2.7 inches)	87%	moderate
February Weather	3°C (37°F)	104 mm (4.1 inches)	85%	moderate
March Weather	6°C (43°F)	97 mm (3.8 inches)	85%	high
April Weather	12°C (53°F)	106 mm (4.2 inches)	83%	very high
May Weather	17°C (64°F)	125 mm (4.9 inches)	75%	very high
June Weather	22°C (73°F)	95 mm (3.7 inches)	73%	very high
July Weather	25°C (78°F)	136 mm (5.4 inches)	65%	very high
August Weather	24°C (76°F)	122 mm (4.8 inches)	62%	very high
September Weather	21°C (69°F)	113 mm (4.5 inches)	66%	very high
October Weather	15°C (59°F)	106 mm (4.2 inches)	79%	high
November Weather	7°C (45°F)	90 mm (3.5 inches)	87%	moderate
December Weather	3°C (38°F)	92 mm (3.6 inches)	85%	low