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Get the monthly weather forecast for Denver, CO, including daily high/low, historical averages, to help you plan ahead.
Colorado’s average daily high temperatures in September can range from 74°F (23°C) to 81°F (27°C) throughout the day and reach lows in the high 40’s°F (8°C) at night. Rainfall may still be high for some areas around the state and snowfall is not highly unlikely as it was in the Summer months.
In September, one might encounter temperatures that range from moderate to warm, and precipitation levels ranging from low to moderate. Based on our climate data spanning from 1990-2020, the average maximum temperature is moderate in Tordal Estates at 14°C to warm in La Junta at 29°C.
Average temperatures for September at cities, towns and parks throughout Colorado are listed below in degrees Fahrenheit and Celsius. You can jump to a separate table for Western Colorado and Eastern Colorado.
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Oct 20, 2023 · What is the weather like in Colorado in September? In general, the weather in Colorado in September is very pleasant along the Front Range (Denver/Boulder area). The temperatures are pleasantly warm during the day and only slightly chilly at night, with cooler weather in the mountains.
Get the monthly weather forecast for Colorado Springs, CO, including daily high/low, historical averages, to help you plan ahead.
September Weather in Colorado Springs Colorado, United States. Daily high temperatures decrease by 9°F, from 79°F to 70°F, rarely falling below 58°F or exceeding 87°F. Daily low temperatures decrease by 10°F, from 54°F to 44°F, rarely falling below 35°F or exceeding 60°F.
September Weather in Denver Colorado, United States. Daily high temperatures decrease by 10°F, from 83°F to 73°F, rarely falling below 60°F or exceeding 91°F. Daily low temperatures decrease by 11°F, from 57°F to 46°F, rarely falling below 37°F or exceeding 63°F.
May 24, 2024 · Weather in September. September in Colorado signifies the onset of autumn, with noticeable changes in temperature and the landscape's appearance. Temperatures in areas like the Eastern Plains usually range from 50°F (10°C) to 75°F (23.9°C), showcasing a significant decrease from the summer's peak warmth.
Feb 10, 2024 · During the shift to September, Denver records a mild decrease in average high-temperature, moving from 83.1°F (28.4°C) in August to a still warm 76.6°F (24.8°C). On the first day of September in Denver, Colorado, sunrise is at 6:28 am and sunset at 7:30 pm.
