| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Fort Collins, Co in September is very mild at 15.7 °C (60.26 °F).
- Afternoons can be fairly hot with average high temperatures reaching 23.7 °C (74.7 °F).
- Overnight temperatures are generally a little cool with an average low of 7.7 °C (45.9 °F).
- The mean diurnal temperature range/ variation in September is 16 °C (28.8 °F).
- The weather in September is dry. A mere 33mm (1.3in) of liquid is dumped.
- The shortest day is 11:45 long and the longest day is 13:04 long with an average length of 12:25.
Check the distance to and compare the Fort Collins, Co September averages with somewhere beginning with:
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Weather Trend Graph for September in Fort Collins, Co, Usa
Navigate to September Weather in Locations Surrounding Fort Collins, Co:
- Lusk, Wy, Usa - 247.7 kms (153.9 miles) NNE
- Alliance, Ne, Usa - 250.8 kms (155.9 miles) NE
- Chugwater, Wy, Usa - 157.5 kms (97.9 miles) N
- Scottsbluff, Ne, Usa - 189 kms (117.4 miles) NE
- Cheyenne, Wyoming, Usa - 66.7 kms (41.5 miles) NNE
- Kimball, Ne, Usa - 102.3 kms (63.6 miles) ENE
- Lodgepole, Ne, Usa - 181.4 kms (112.7 miles) ENE
- Fort Morgan, Co, Usa - 114.9 kms (71.4 miles) ESE
- Denver, Colorado, Usa - 92.7 kms (57.6 miles) SSE
- Colorado Springs Ap, Co, Usa - 199.2 kms (123.8 miles) S