weather

Weather

The weather in the Bay Area during early September tends to be very warm and dry. Expect the daytime temperatures to range from the low to mid 80's. We do have some very warm days in early September, so it is possible for the temperature to reach the 90's. Rainfall is scarce during this time of years. The evenings tend to cool off significantly once the bay breezes get going. Below is a table showing historical averages and records during the month of September.

City	Average Hi Temp	Average Lo Temp	Mean Temp	Average Precipitation	Record Hi Temp	Record Lo Temp
Mountain View	78	55	66	0.19 in	105	41
Belmont	79	53	66	0.21 in	106	38

Current Weather