Typical Weather

Weather in Nampa in September

How warm is it in Nampa in September?

In September the typical daytime high in Nampa is 26.8 °C on average, from 30.1 °C at the start to 23.9 °C at the end of the month.

That is 5.7 °C cooler than in August and 7.1 °C warmer than in October.

The last 10 years were 0.6 °C cooler than more than 40 years ago.

Click a day for more: afternoon and night, the usual range, records and how fast it is warming.

Measured at the weather station Payette, 66 km away.