Last updated: June 24, 2025
In September, the average temperature in Middletown, United States hovers around 23°C (73°F), making it a pleasant time to visit. However, temperatures can vary widely, with a minimum of 7°C (45°F) and a scorching maximum of 43°C (110°F). Expect minimal rainfall, with only 2 mm (0.1 in) over 0 days, and enjoy the comfortable average humidity of 68%.
In September in Middletown, the average temperature is 23°C (73°F). Maximum temperatures can reach 43°C (110°F), while minimums can drop to as low as 7°C (45°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both warm days and cooler nights.
In Middletown in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Middletown in September humidity is 68%. With an average temperature of 23°C (73°F), this humidity feels like a soft blanket wrapping around you, making every step outside feel a bit heavier, but offering a warm embrace that encourages leisurely exploration and a relaxed pace for travel.
In Middletown 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 Middletown.
UV Risk Categories
Weather in Middletown varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Middletown, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 9°C (49°F) | 132 mm (5.2 inches) | 86% | moderate |
February Weather | 10°C (51°F) | 140 mm (5.5 inches) | 84% | moderate |
March Weather | 11°C (53°F) | 90 mm (3.5 inches) | 83% | high |
April Weather | 15°C (59°F) | 36 mm (1.4 inches) | 80% | very high |
May Weather | 19°C (66°F) | 24 mm (0.9 inches) | 80% | extreme |
June Weather | 24°C (75°F) | 3 mm (0.1 inches) | 76% | extreme |
July Weather | 26°C (79°F) | 0 mm (0.0 inches) | 70% | extreme |
August Weather | 25°C (78°F) | 1 mm (0.0 inches) | 66% | very high |
September Weather | 23°C (73°F) | 2 mm (0.1 inches) | 68% | very high |
October Weather | 18°C (65°F) | 36 mm (1.4 inches) | 72% | high |
November Weather | 12°C (55°F) | 46 mm (1.8 inches) | 84% | moderate |
December Weather | 9°C (48°F) | 91 mm (3.6 inches) | 84% | moderate |