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September Normals for Portage Glacier, AK

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 43 60 52 0.22 13 0 2 43 60 52 0.23 13 0 3 43 60 51 0.23 14 0 4 43 59 51 0.24 14 0 5 43 59 51 0.25 14 0 6 42 59 51 0.25 14 0 7 42 58 50 0.26 15 0 8 42 58 50 0.26 15 0 9 41 58 50 0.26 15 0 10 41 58 49 0.27 16 0 11 41 57 49 0.27 16 0 12 41 57 49 0.28 16 0 13 40 57 48 0.28 17 0 14 40 56 48 0.28 17 0 15 40 56 48 0.28 17 0 16 40 55 47 0.29 18 0 17 39 55 47 0.29 18 0 18 39 55 47 0.29 18 0 19 39 54 46 0.29 19 0 20 38 54 46 0.29 19 0 21 38 53 46 0.29 19 0 22 38 53 45 0.29 20 0 23 37 53 45 0.29 20 0 24 37 52 45 0.29 20 0 25 37 52 44 0.29 21 0 26 36 51 44 0.29 21 0 27 36 51 43 0.29 22 0 28 36 50 43 0.28 22 0 29 35 50 43 0.28 22 0 30 35 49 42 0.28 23 0 Month 40 55 47 8.18 528 0 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather