Last updated: June 24, 2025
In September, the average temperature in Delmar, United States is a pleasant 23°C (73°F), with minimums dropping to 9°C (48°F) and maximums soaring to 35°C (95°F). Expect about 104 mm (4.1 in) of precipitation spread across 10 days, contributing to an average humidity level of 75%. This blend of warmth and moisture makes for a unique climate experience!
In September in Delmar, the average temperature is 23°C (73°F). The maximum can reach 35°C (95°F), while the minimum can drop to as low as 9°C (48°F). This variety in temperatures makes Delmar an ideal destination for travelers seeking a mix of warm days and cooler evenings.
In Delmar in September, the precipitation amount is 104 mm (4.1 in) over a period of 10 days.
In Delmar 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 Delmar 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 Delmar.
UV Risk Categories
Weather in Delmar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Delmar, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (39°F) | 66 mm (2.6 inches) | 84% | moderate |
February Weather | 6°C (43°F) | 93 mm (3.7 inches) | 83% | moderate |
March Weather | 9°C (48°F) | 93 mm (3.7 inches) | 83% | high |
April Weather | 14°C (57°F) | 87 mm (3.4 inches) | 81% | very high |
May Weather | 19°C (66°F) | 121 mm (4.7 inches) | 78% | very high |
June Weather | 24°C (75°F) | 127 mm (5.0 inches) | 79% | very high |
July Weather | 27°C (80°F) | 158 mm (6.2 inches) | 74% | very high |
August Weather | 26°C (78°F) | 165 mm (6.5 inches) | 72% | very high |
September Weather | 23°C (73°F) | 104 mm (4.1 inches) | 75% | very high |
October Weather | 18°C (64°F) | 122 mm (4.8 inches) | 81% | high |
November Weather | 10°C (50°F) | 83 mm (3.3 inches) | 85% | moderate |
December Weather | 6°C (43°F) | 98 mm (3.8 inches) | 84% | moderate |