Last updated: June 24, 2025
In September, the average temperature in East Brooklyn, United States hovers around 19°C (66°F), creating a comfortable atmosphere for outdoor activities. Expect a minimum temperature of 4°C (39°F) and a maximum of 34°C (93°F), offering a wide range for weather enthusiasts. Be prepared for some rain, as precipitation totals 97 mm (3.8 in) over about 9 days. With an average humidity level of 75%, East Brooklyn exhibits a warm and inviting climate perfect for exploration.
In September in East Brooklyn, the average temperature is 19°C (66°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 4°C (39°F). It's a wonderful time for travelers to experience comfortable weather while enjoying outdoor activities.
In East Brooklyn in September, the total precipitation amount reaches 97 mm (3.8 in) over the course of 9 days.
In East Brooklyn in September humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.
In East Brooklyn 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 East Brooklyn.
UV Risk Categories
Weather in East Brooklyn varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in East Brooklyn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 70 mm (2.7 inches) | 84% | moderate |
| February Weather | 1°C (33°F) | 88 mm (3.5 inches) | 84% | moderate |
| March Weather | 3°C (38°F) | 94 mm (3.7 inches) | 82% | high |
| April Weather | 9°C (48°F) | 129 mm (5.1 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 111 mm (4.4 inches) | 75% | very high |
| June Weather | 20°C (68°F) | 102 mm (4.0 inches) | 78% | very high |
| July Weather | 23°C (74°F) | 166 mm (6.5 inches) | 76% | very high |
| August Weather | 23°C (73°F) | 123 mm (4.8 inches) | 76% | very high |
| September Weather | 19°C (66°F) | 97 mm (3.8 inches) | 75% | very high |
| October Weather | 13°C (56°F) | 135 mm (5.3 inches) | 75% | high |
| November Weather | 6°C (43°F) | 100 mm (3.9 inches) | 80% | moderate |
| December Weather | 1°C (34°F) | 129 mm (5.1 inches) | 80% | low |