Mild
Average highs are around 20°C, so days are mild rather than hot.
September verdict
Alpena (Michigan), United States in September
Weather score39Poor
Poor for holiday weather
Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 79mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
20°C
Rain
79mm
Sun
6.2h
Sea
17°C
Weather score
39
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 79mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Alpena (Michigan), United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September20°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September79mm average rain
September is one of Alpena (Michigan)'s wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.2 hours average sun
September sits close to Alpena (Michigan)'s yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September17°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
September39 weather score
September sits close to Alpena (Michigan)'s yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels near Alpena (Michigan), United States
Marriott
Fairfield Inn & Suites GaylordGaylord, Michigan, USA
City Express by Marriott Petoskey Harbor SpringsPetoskey, Michigan, USA
Courtyard Petoskey at Victories SquarePetoskey, Michigan, USA
Courtyard Bay CityBay City, Michigan, USA
SpringHill Suites by Marriott MidlandMidland, Michigan, USA
Residence Inn MidlandMidland, Michigan, USA