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.
What is DC Weather like in March? The weather in Washington DC in March is consider the first month of Spring. Since it is the transition between the season, the earlier half is colder and can even see snow, while the second half of March is usually warmer. While youâre in town, be sure to check out Top Things to Do in DC in March.