Last updated: June 24, 2025
In Ostrander, United States, the average temperature in September hovers around 20°C (69°F). Expect a minimum of 5°C (41°F) and a possible maximum of 34°C (94°F). With 86 mm (3.4 in) of precipitation spread over 8 days, the average humidity remains a comfortable 78%. Stay prepared for a mix of warm and cool days!
In September in Ostrander, the average temperature is 20°C (69°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 5°C (41°F). This makes Ostrander a suitable destination for travelers looking to experience mild weather with the possibility of warmer days.
In Ostrander in September, the precipitation amount reaches 86 mm (3.4 in) over the course of 8 days.
In Ostrander in September, humidity is 78%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick and heavy, urging you to seek out shaded areas and refreshing drinks.
In Ostrander 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 Ostrander.
UV Risk Categories
Weather in Ostrander varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ostrander, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 73 mm (2.9 inches) | 88% | moderate |
| February Weather | 1°C (33°F) | 99 mm (3.9 inches) | 87% | moderate |
| March Weather | 5°C (42°F) | 100 mm (3.9 inches) | 87% | high |
| April Weather | 11°C (51°F) | 111 mm (4.4 inches) | 87% | very high |
| May Weather | 17°C (63°F) | 123 mm (4.8 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 136 mm (5.4 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 111 mm (4.4 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 80 mm (3.1 inches) | 78% | very high |
| September Weather | 20°C (69°F) | 86 mm (3.4 inches) | 78% | very high |
| October Weather | 14°C (58°F) | 95 mm (3.8 inches) | 82% | high |
| November Weather | 5°C (42°F) | 93 mm (3.7 inches) | 89% | moderate |
| December Weather | 2°C (36°F) | 91 mm (3.6 inches) | 86% | moderate |