The 2 largest cities in Idaho are Boise with a population of  145,987 and Nampa with 81,557. The next 3 largest cities are  Meridian with 75,092, Idaho Falls with 56,813 and â¦ Pocatello with  54,255.
Averages for Washington DC in September. The weather in September in Washington DC is very attractive for those that want to avoid the peak heat of summer, yet still enjoy lots of warm days on their visit. On average, peak temperatures during the day in September still reach up to 27Â°C.
Taiwan Weather in September. Weather: Autumn begins from September, but weather still feels rather hot in the south, with average low and high temperature at 27 Â°C (80 Â°F) and 29 Â°C (85 Â°F), while in the north the weather starts to cool off a bit towards the end of the month.