| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Cheyenne, Wyoming in September is mild at 15 °C (59 °F).
- Afternoons can be fairly hot with average high temperatures reaching 23 °C (73.4 °F).
- Overnight temperatures are generally a little cool with an average low of 7 °C (44.6 °F).
- The mean diurnal temperature range/ variation in September is 16 °C (28.8 °F).
- The weather in September is somewhat parched with sporadic rain. A paltry 28mm (1.1in) of H2O is released during on average 7 days.
- In September the heavens above Cheyenne, Wyoming are quite sunny having on balance a sizable 8:48 of brilliant sunshine per day.
- The shortest day is 11:45 long and the longest day is 13:06 long with an average length of 12:25.
- There are approximately 3:26 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 71.9% of daylight hours and cloudy 28.1% of daylight hours.
Check the distance to and compare the Cheyenne, Wyoming September averages with somewhere beginning with:
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Weather Trend Graph for September in Cheyenne, Wyoming, Usa
Navigate to September Weather in Locations Surrounding Cheyenne, Wyoming:
- Casper, Wy, Usa - 239.1 kms (148.6 miles) NW
- Chugwater, Wy, Usa - 95.7 kms (59.5 miles) N
- Pathfinder Dam, Wy, Usa - 204.7 kms (127.2 miles) WNW
- Laramie, Wy, Usa - 74.4 kms (46.2 miles) WNW
- Fort Collins, Co, Usa - 66.7 kms (41.5 miles) SSW
- Steamboat Springs, Co, Usa - 185 kms (115 miles) WSW
- Denver, Colorado, Usa - 153.8 kms (95.6 miles) S
- Hay Springs, Ne, Usa - 254.5 kms (158.2 miles) NE
- Hot Springs, Sd, Usa - 254.5 kms (158.2 miles) NE
- Lusk, Wy, Usa - 181.8 kms (113 miles) N
- Alliance, Ne, Usa - 195.3 kms (121.3 miles) ENE
- Scottsbluff, Ne, Usa - 128.9 kms (80.1 miles) NE
- Kimball, Ne, Usa - 70.5 kms (43.8 miles) ESE
- Lodgepole, Ne, Usa - 153.2 kms (95.2 miles) E
- Imperial, Ne, Usa - 236.7 kms (147.1 miles) E
- Fort Morgan, Co, Usa - 131.7 kms (81.9 miles) SE
- Colorado Springs Ap, Co, Usa - 259.6 kms (161.3 miles) S