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> Usa > Alpena, Michigan >September
Weather in September in Alpena, Michigan
| < September > | ||
|---|---|---|
| Normal Max/ High Temperature | 20°C (68°F) | |
| Average Temperature | 14°C (57°F) | |
| Min/ Low Temperature | 8°C (46°F) | |
| Normal Precipitation | 79mm (3.1in) | |
| Number of Wet Days (probability of rain on a day) | 12 (40%) | |
| Average Sunlight per day | 06h 29' | |
| Average Daylight per day | 12h 28' | |
| Sunny (Cloudy) Daylight Hours | 53% (47%) | |
| Sun altitude at solar noon on the 21st day. | 45.5° | |
- The average temperature in Alpena, Michigan in September is mild at 14.1 °C (57.38 °F).
- Afternoons can be warm with average high temperatures reaching 20.2 °C (68.4 °F).
- Overnight temperatures are generally a little cool with an average low of 7.9 °C (46.2 °F).
- In September the variation/ range of diurnal average temperatures is 12.3 °C (22.1 °F).
- Precipitation averages for September are moderate with 79mm (3.1 in) recorded across 12 days.
- The blue above Alpena, Michigan is reasonably fine with on average a detectable 6h 29' of radiant sunlight daily.
- The shortest day is 11h 42' long and the longest day is 13h 15' long with an average length of 12h 28'.
- There are approximately 5h 48' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 52.8% of daylight hours and cloudy 47.2% of daylight hours.
Weather Trend Graph for September in Alpena, Michigan, Usa
