Guide to Colorado Springs weather in September. The average night-time temperature is usually a cool 8°C (46°F). There are usually 9 hours of bright sunshine each day, which represents 74% of the 12 hours of daylight. Expect 30mm (1.2 inches) of rainfall across the whole of September with 7 days with some rain falling.What is extended weather forecast?
extended forecast. noun Meteorology. a forecast of weather conditions beyond the normal two-day forecast period.What is the weather in Colorado?
Colorado has a diverse climate. The variation is due mostly to the geographic makeup of Colorado as mountains and valleys play a large role in the kind of weather a region experiences. The Eastern Plains region has largely a semiarid climate, but to the west the climate is more uncertain.