Last updated: June 24, 2025
In September, the average temperature in Welcome, United States hovers around 23°C (73°F). However, be prepared for a temperature range where the minimum can drop to 6°C (43°F) and the maximum can soar to 36°C (97°F). Expect about 137 mm (5.4 in) of precipitation spread across 9 days, contributing to a 75% average humidity that adds to the overall atmosphere.
In September in Welcome, the average temperature is 23°C (73°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 6°C (43°F). Be prepared for warm days and cooler nights if you plan to travel during this time.
In Welcome in September, the total precipitation amount is 137 mm (5.4 in) over the course of 9 days.
In Welcome in September, humidity is 75%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel slightly uncomfortable yet invigorating as the air wraps around you, creating a sense of walking through a lush, tropical paradise.
In Welcome 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 Welcome.
UV Risk Categories
Weather in Welcome varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Welcome, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 86 mm (3.4 inches) | 86% | moderate |
| February Weather | 8°C (47°F) | 118 mm (4.6 inches) | 85% | high |
| March Weather | 11°C (52°F) | 85 mm (3.4 inches) | 84% | very high |
| April Weather | 16°C (61°F) | 113 mm (4.5 inches) | 82% | very high |
| May Weather | 21°C (69°F) | 120 mm (4.7 inches) | 83% | very high |
| June Weather | 24°C (76°F) | 96 mm (3.8 inches) | 82% | extreme |
| July Weather | 27°C (80°F) | 88 mm (3.5 inches) | 80% | very high |
| August Weather | 25°C (78°F) | 117 mm (4.6 inches) | 74% | very high |
| September Weather | 23°C (73°F) | 137 mm (5.4 inches) | 75% | very high |
| October Weather | 17°C (64°F) | 111 mm (4.4 inches) | 79% | very high |
| November Weather | 9°C (49°F) | 85 mm (3.3 inches) | 87% | moderate |
| December Weather | 7°C (45°F) | 110 mm (4.3 inches) | 87% | moderate |