Last updated: June 24, 2025
In September, the average temperature in Harker Heights, United States hovers around 26°C (80°F). However, temperatures can vary significantly, with minimums dipping to 10°C (51°F) and maximums soaring up to 39°C (102°F). Expect some moisture as well, with 87 mm (3.4 in) of precipitation likely over about 10 days. The average humidity during this month is a comfortable 66%, making it a unique time to experience the region's climate.
In September in Harker Heights, the average temperature is 26°C (80°F). Maximums can reach 39°C (102°F) and minimums can be as low as 10°C (51°F). Be prepared for warm days and cool nights while planning your travels!
In Harker Heights in September, the precipitation amount is 87 mm (3.4 in) over the course of 10 days.
In Harker Heights in September humidity is 66%. With an average temperature of 26°C (80°F), this humidity feels like a warm, sticky embrace, making travel a bit challenging as you might find yourself needing frequent breaks to cool down and stay hydrated.
In Harker Heights in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Harker Heights.
UV Risk Categories
Weather in Harker Heights varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Harker Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 10°C (50°F) | 51 mm (2.0 inches) | 78% | moderate |
February Weather | 11°C (52°F) | 63 mm (2.5 inches) | 78% | high |
March Weather | 17°C (63°F) | 74 mm (2.9 inches) | 77% | very high |
April Weather | 20°C (68°F) | 84 mm (3.3 inches) | 78% | very high |
May Weather | 24°C (76°F) | 177 mm (7.0 inches) | 82% | extreme |
June Weather | 28°C (82°F) | 70 mm (2.8 inches) | 78% | extreme |
July Weather | 30°C (86°F) | 59 mm (2.3 inches) | 69% | extreme |
August Weather | 30°C (86°F) | 91 mm (3.6 inches) | 63% | extreme |
September Weather | 26°C (80°F) | 87 mm (3.4 inches) | 66% | extreme |
October Weather | 21°C (70°F) | 113 mm (4.5 inches) | 73% | very high |
November Weather | 15°C (59°F) | 39 mm (1.5 inches) | 84% | high |
December Weather | 12°C (54°F) | 55 mm (2.1 inches) | 87% | moderate |