Climate almanac
Mount Arlington
New Jersey, United States · 40.93°, -74.63°
What is the weather like in Mount Arlington in September?
In September, Mount Arlington is typically 76°F (24°C) during the day and 59°F (15°C) at night. The month brings about 4.0 in (102 mm) of precipitation in total.
- Average high76°F (24°C)
- Average low59°F (15°C)
- Precipitation4.0 in (102 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)