Last updated: June 24, 2025
In Ranier, United States, the average temperature in September hovers around 14°C (57°F), making it a mild time of year. Temperatures can vary significantly, with lows dipping to -2°C (29°F) and highs soaring to 30°C (86°F). Prepare for some wet days, as 145 mm (5.7 in) of precipitation typically falls over 15 days, contributing to an average humidity of 75%. Whether you’re looking to bundle up or soak in the sun, it's a month full of contrasts!
In September in Ranier, the average temperature is 14°C (57°F). Maximums can reach 30°C (86°F) and minimums can be as low as -2°C (29°F). This variety in temperatures makes Ranier an ideal destination for travelers seeking diverse weather experiences.
In Ranier in September, the precipitation amount is 145 mm (5.7 in) spread over the course of 15 days.
In Ranier in September, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.
In Ranier in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Ranier.
UV Risk Categories
Weather in Ranier varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ranier, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -13°C (8°F) | 24 mm (0.9 inches) | 96% | low |
| February Weather | -13°C (8°F) | 28 mm (1.1 inches) | 95% | moderate |
| March Weather | -4°C (26°F) | 26 mm (1.0 inches) | 92% | moderate |
| April Weather | 3°C (37°F) | 49 mm (1.9 inches) | 85% | high |
| May Weather | 12°C (53°F) | 47 mm (1.8 inches) | 75% | very high |
| June Weather | 18°C (65°F) | 87 mm (3.4 inches) | 71% | very high |
| July Weather | 21°C (70°F) | 80 mm (3.1 inches) | 70% | very high |
| August Weather | 19°C (67°F) | 71 mm (2.8 inches) | 72% | very high |
| September Weather | 14°C (57°F) | 145 mm (5.7 inches) | 75% | high |
| October Weather | 6°C (43°F) | 99 mm (3.9 inches) | 82% | moderate |
| November Weather | -3°C (27°F) | 42 mm (1.7 inches) | 90% | low |
| December Weather | -10°C (15°F) | 44 mm (1.7 inches) | 96% | low |