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Weather Almanac: Petersburg, AK 99833

🗓️ Historical norms for September

August October
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
September avg. precipitation
🌧️ 13.65"
September days below freezing
📉 ≈0.3 days
Average September lows 42°F – 46°F
USDA Zone
7b
Annual extreme lows 5°F to 10°F
Last Spring Frost (36°F)
🌷 May 25
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First Fall Frost (36°F)
🍂 Sep 18
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📚 The Timber Press Guide to Vegetable Gardening in the Pacific Northwest

F: Forecast
H: Normal High Temp
L: Normal Low Temp
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: PETERSBURG 1 (USW00025329)

Precipitation climatic data from weather station: PETERSBURG 1 (USW00025329)

Agricultural climatic data from weather station: PETERSBURG 1 (USW00025329)