Last updated: June 24, 2025
In Halstead, United States, the average temperature in September hovers around 23°C (73°F), making it a pleasant time to explore. Be prepared for a temperature range that can dip to a cool 5°C (42°F) or soar up to a warm 36°C (97°F). Expect about 80 mm (3.2 in) of rainfall spread over 7 days, contributing to an average humidity of 67%. Whether you're enjoying the mild days or preparing for unexpected showers, this month offers a unique experience!
In September, in Halstead, the average temperature is 23°C (73°F), with maximums reaching up to 36°C (97°F) and minimums dipping as low as 5°C (42°F). This variation makes Halstead an ideal travel destination for those who enjoy a mix of warm days and cooler evenings.
In Halstead in September, the total precipitation amount is 80 mm (3.2 in) over the course of 7 days.
In Halstead in September humidity is 67%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket that makes the air feel thick and slightly sticky, which can be challenging for travelers who prefer cooler, drier conditions.
In Halstead 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 Halstead.
UV Risk Categories
Weather in Halstead varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Halstead, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 32 mm (1.3 inches) | 75% | moderate |
| February Weather | 1°C (34°F) | 33 mm (1.3 inches) | 76% | high |
| March Weather | 9°C (48°F) | 81 mm (3.2 inches) | 67% | high |
| April Weather | 13°C (55°F) | 68 mm (2.7 inches) | 70% | very high |
| May Weather | 19°C (66°F) | 175 mm (6.9 inches) | 82% | very high |
| June Weather | 25°C (78°F) | 100 mm (3.9 inches) | 82% | extreme |
| July Weather | 27°C (81°F) | 76 mm (3.0 inches) | 81% | extreme |
| August Weather | 25°C (78°F) | 112 mm (4.4 inches) | 76% | very high |
| September Weather | 23°C (73°F) | 80 mm (3.2 inches) | 67% | very high |
| October Weather | 14°C (58°F) | 95 mm (3.8 inches) | 72% | high |
| November Weather | 7°C (45°F) | 27 mm (1.0 inches) | 80% | moderate |
| December Weather | 3°C (38°F) | 29 mm (1.2 inches) | 83% | moderate |