September Monthly Weather Almanac in Text and Link Format
WeatherCasts:
7-Day Forecasts by ABC4 Weather:
http://www.abc4.tv/weather/ (dead link)
7-Day Forecasts by the National Weather Service:
http://www.wrh.noaa.gov/slc/forecast/textproduct.php?pil=SFT&sid=UT (historical weather snapshot, 2013-12-09 — not current conditions)
ClimateCasts:
Driest Days of September in Salt Lake City (<15% Chance of Precipitation):
1, 3, 7, 9, 14-16, 26, 28-29
Wettest Days of September in Salt Lake City (>25% Chance of Precipitation):
19-21, 23
Long-Range Climatic Outlook (by the UCCW): http://www.utahweather.org/UWC/utahs_climate/long_range_outlook.html
Long-Range Climatic Outlook (by the NWS-CPC):
http://www.cpc.noaa.gov/products/predictions/long_range/two_class.html (dead link)
Climatic normals and records:
http://www.wrcc.dri.edu/summary/climsmut.html
Historical daily weather events in Utah:
http://www.utahweather.org/UWC/utahs_daily_wx_almanac/Utahs_daily_weather_history.html
AstroCasts:
Lunar Phases:
http://tycho.usno.navy.mil/vphase.html (dead link)
For visible planets and other astronomical events:
http://www.hansenplanetarium.net/
For Sunrise & Sunset Tables, Moon Rise & Moon Set Tables: https://aa.usno.navy.mil/data/RS_OneYear
Utah's Weather and Climate book: /learn