Mountain View Weather in September

September in Mountain View sees daytime temperatures around 26°C (79°F) and lows of 14°C (57°F) at night. The excellent weather makes it a good time to visit.

Rainfall in Mountain View in September

Looking at the last 30 years, the data shows about a single day with rain, averaging 2.9 mm (0.1 in) for the month. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in Mountain View in September

September tends to be one of the excellent months in Mountain View, with 26°C (79°F) in the afternoon and 14°C (57°F) overnight. During September, the summer season is in full swing. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. It's the warmest month of the year on average, so summer clothing is the way to go.

Sunshine in Mountain View in September

The city usually sees around 270 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.