September Weather in Short Pump, United States

Last updated: June 24, 2025

In Short Pump, United States, the average temperature in September hovers around 23°C (73°F), making it a pleasant time to explore. However, be prepared for a range of temperatures, as it can dip to a minimum of 7°C (45°F) and soar to a maximum of 38°C (100°F). With an average precipitation of 97 mm (3.8 in) spread over 10 days, don't forget your umbrella! The humidity is relatively high at 75%, so staying hydrated is key.

September Temperature in Short Pump

In September in Short Pump, the average temperature is 23°C (73°F). Maximums can reach 38°C (100°F), and minimums can be as low as 7°C (45°F). This variation makes it essential for travelers to pack both lightweight clothing for the warm days and warmer layers for the cooler nights.

September Weather in Short Pump: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Short Pump, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Short Pump, September typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (100°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Short Pump

In Short Pump in September, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.

September Precipitation Trends in Short Pump

The chart displays monthly precipitation patterns in Short Pump, 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 Short Pump, September typically receives around 97 mm (3.8 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 Short Pump

In Short Pump in September, humidity is 75%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel slightly uncomfortable yet invigorating as the air wraps around you, creating a sense of walking through a lush, tropical paradise.

September Average Humidity in Short Pump

This chart illustrates the average monthly humidity levels in Short Pump, 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 Short Pump is approximately 75%, 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 Short Pump

In Short Pump 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 Short Pump.

Maximum UV Index Levels in Short Pump for September

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

Data source: Short Pump 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 Short Pump Compares to Other Months

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

This table compares monthly weather conditions in Short Pump, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	64 mm (2.5 inches)	84%	moderate
February Weather	7°C (45°F)	96 mm (3.8 inches)	84%	high
March Weather	10°C (50°F)	75 mm (2.9 inches)	84%	high
April Weather	15°C (60°F)	106 mm (4.2 inches)	82%	very high
May Weather	20°C (69°F)	105 mm (4.1 inches)	82%	very high
June Weather	24°C (76°F)	129 mm (5.1 inches)	83%	very high
July Weather	27°C (81°F)	102 mm (4.0 inches)	79%	very high
August Weather	26°C (78°F)	172 mm (6.8 inches)	77%	very high
September Weather	23°C (73°F)	97 mm (3.8 inches)	75%	very high
October Weather	17°C (64°F)	122 mm (4.8 inches)	81%	high
November Weather	10°C (49°F)	72 mm (2.8 inches)	87%	moderate
December Weather	6°C (44°F)	93 mm (3.7 inches)	85%	moderate