Climate almanac
Los Alamos
New Mexico, United States · 35.89°, -106.31°
What is the weather like in Los Alamos in September?
In September, Los Alamos is typically 76°F (25°C) during the day and 47°F (9°C) at night. The month brings about 2.4 in (61 mm) of precipitation in total. Snowfall averages about 0.2 in (4 mm) over the month.
- Average high76°F (25°C)
- Average low47°F (9°C)
- Precipitation2.4 in (61 mm)
- Clear or mostly clear days22
- Snowfall0.2 in (4 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)