Last updated: August 22, 2025
In September, the average temperature in San Nicolas de los Arroyos, Argentina is a pleasant 16°C (60°F), with temperatures ranging from a brisk 0°C (32°F) to a warm 32°C (91°F). This month, you can expect about 69 mm (2.7 in) of precipitation over approximately 5 days, contributing to an average humidity level of 62%. Enjoy the variety that September brings!
In September in San Nicolas de los Arroyos, the average temperature is 16°C (60°F). The maximum can reach 32°C (91°F) while the minimum can drop to as low as 0°C (32°F). Be prepared for a wide range of temperatures suitable for both warm and cool weather activities.
In San Nicolas de los Arroyos in September, the total precipitation amount is 69 mm (2.7 in) spread over a duration of 5 days.
In San Nicolas de los Arroyos in September, humidity is 62%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel slightly uncomfortable as the air can feel heavier and more stifling, potentially leading to a lingering sense of stickiness while exploring.
In San Nicolas de los Arroyos 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 San Nicolas de los Arroyos.
UV Risk Categories
Weather in San Nicolas de los Arroyos varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Nicolas de los Arroyos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (78°F) | 105 mm (4.1 inches) | 48% | extreme |
| February Weather | 24°C (75°F) | 69 mm (2.7 inches) | 55% | extreme |
| March Weather | 22°C (71°F) | 84 mm (3.3 inches) | 64% | extreme |
| April Weather | 19°C (67°F) | 124 mm (4.9 inches) | 76% | very high |
| May Weather | 15°C (59°F) | 70 mm (2.8 inches) | 82% | moderate |
| June Weather | 12°C (54°F) | 29 mm (1.1 inches) | 77% | moderate |
| July Weather | 11°C (52°F) | 33 mm (1.3 inches) | 62% | moderate |
| August Weather | 13°C (55°F) | 41 mm (1.6 inches) | 59% | high |
| September Weather | 16°C (60°F) | 69 mm (2.7 inches) | 62% | very high |
| October Weather | 18°C (65°F) | 67 mm (2.6 inches) | 52% | extreme |
| November Weather | 22°C (71°F) | 70 mm (2.8 inches) | 56% | extreme |
| December Weather | 24°C (75°F) | 74 mm (2.9 inches) | 51% | extreme |