Weather on September 16
Fort Collins, CO
55 Years of Data
About This Date
September 16th in Fort Collins, CO typically brings pleasant fall weather, with average highs around 78°F and lows near 48°F — a 30°F daily swing. Over 56 years of records, the warmest September 16th was in 2019 (73°F average), while the coldest was 1973 (43°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 14% of September 16th dates historically, with the wettest September 16th recording 0.57" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for September 16th in Fort Collins, CO? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 82° | 52° | 67° | — | — |
| 2025 | 80° | 53° | 67° | 0.57" | — |
| 2024 | 83° | 50° | 66° | — | — |
| 2023 | 79° | 44° | 61° | — | — |
| 2022 | 77° | 50° | 64° | — | — |
| 2021 | 93° | 49° | 71° | — | — |
| 2020 | 75° | 49° | 62° | — | — |
| 2019warmest | 89° | 57° | 73° | — | — |
| 2018 | 92° | 53° | 72° | — | — |
| 2017 | 73° | 48° | 61° | 0.19" | — |
| 2016 | 74° | 42° | 58° | — | — |
| 2015 | 87° | 58° | 72° | — | — |
| 2014 | 90° | 45° | 67° | — | — |
| 2013 | 70° | 53° | 61° | 0.11" | — |
| 2012 | 86° | 48° | 67° | — | — |
| 2011 | 73° | 47° | 60° | — | — |
| 2010 | 84° | 50° | 67° | — | — |
| 2009 | 76° | 55° | 65° | — | — |
| 2008 | 81° | 43° | 62° | — | — |
| 2007 | 82° | 60° | 71° | — | — |
| 2006 | 64° | 48° | 56° | 0.02" | — |
| 2005 | 80° | 41° | 61° | — | — |
| 2004 | 84° | 40° | 62° | — | — |
| 2003 | 84° | 44° | 64° | — | — |
| 2002 | 84° | 45° | 64° | — | — |
| 2001 | 75° | 55° | 65° | — | — |
| 2000 | 94° | 50° | 72° | — | — |
| 1999 | 74° | 41° | 57° | — | — |
| 1998 | 81° | 49° | 65° | — | — |
| 1997 | 76° | 59° | 67° | — | — |
| 1996 | 73° | 53° | 63° | — | — |
| 1995 | 79° | 51° | 65° | — | — |
| 1994 | 73° | 42° | 58° | — | — |
| 1993 | 65° | 46° | 55° | — | — |
| 1992 | 84° | 55° | 70° | — | — |
| 1991 | 70° | 38° | 54° | — | — |
| 1990 | 73° | 52° | 62° | — | — |
| 1989 | 81° | 42° | 61° | — | — |
| 1988 | 79° | 40° | 59° | — | — |
| 1987 | 73° | 44° | 59° | — | — |
| 1986 | 78° | 53° | 66° | 0.05" | — |
| 1985 | 86° | 46° | 66° | — | — |
| 1984 | 80° | 42° | 61° | 0.03" | — |
| 1983 | 86° | 44° | 65° | — | — |
| 1982 | 71° | 44° | 58° | — | — |
| 1981 | 63° | 52° | 57° | — | — |
| 1980 | 64° | 46° | 55° | — | — |
| 1979 | 81° | 39° | 60° | — | — |
| 1978 | 81° | 53° | 67° | — | — |
| 1977 | 79° | 49° | 64° | — | — |
| 1976 | 71° | 46° | 59° | — | — |
| 1975 | 84° | 49° | 66° | — | — |
| 1974 | 74° | 43° | 58° | — | — |
| 1973coldest | 47° | 39° | 43° | 0.09" | — |
| 1972 | 85° | 44° | 64° | — | — |
| 1971 | 57° | 33° | 45° | 0.41" | — |
Fort Collins, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Fort Collins, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Fort Collins, CO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Fort Collins, CO
Most pleasant months in Fort Collins, CO: May, June, September.
What to expect on September 16th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
September 16th outlook →