Idaho Falls weather in September 2019

  • 23°C maximum daytime temperature in September in Idaho Falls23
    23°C max day temperature
  • 10 hours of sunshine per day
  • 6 days with some rainfall in September in Idaho Falls6
    6 days with some rainfall
  • 5°C minimum night-time temperature in September in Idaho Falls5
    5°C min night temperature
  • 12 hours of daylight per day in September in Idaho Falls12
    12 hours of daylight per day
  • No heat & humidity in September in Idaho Falls0
    No heat & humidity
  • 22 mm monthly rainfall in September in Idaho Falls22
    22 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Idaho Falls6
    6 (High) UV index

Going to Idaho Falls? Find the best month to visit Idaho Falls based on the weather.

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Expect 23°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Idaho Falls in September. Check more long-term weather averages for Idaho Falls in September before you book your next holiday to Idaho in 2019/2020.

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More about Idaho Falls

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The September weather guide for Idaho Falls, Idaho shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Idaho Falls weather in September

The average maximum daytime temperature in Idaho Falls in September is a warm 23°C (73°F). The average night-time temperature is usually a cold 5°C (41°F). There are usually 10 hours of bright sunshine each day, which represents 76% of the 12 hours of daylight.

Expect 22mm (0.9 inches) of rainfall across the whole of September with 6 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

Idaho Falls sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Idaho Falls in September 2019. Select a month to view Idaho Falls sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 06:52 20:04
Monday, 2nd September 2019 06:53 20:02
Tuesday, 3rd September 2019 06:54 20:00
Wednesday, 4th September 2019 06:55 19:58
Thursday, 5th September 2019 06:56 19:57
Friday, 6th September 2019 06:57 19:55
Saturday, 7th September 2019 06:59 19:53
Sunday, 8th September 2019 07:00 19:51
Monday, 9th September 2019 07:01 19:49
Tuesday, 10th September 2019 07:02 19:48
Wednesday, 11th September 2019 07:03 19:46
Thursday, 12th September 2019 07:04 19:44
Friday, 13th September 2019 07:05 19:42
Saturday, 14th September 2019 07:06 19:40
Sunday, 15th September 2019 07:07 19:39
Monday, 16th September 2019 07:08 19:37
Tuesday, 17th September 2019 07:10 19:35
Wednesday, 18th September 2019 07:11 19:33
Thursday, 19th September 2019 07:12 19:31
Friday, 20th September 2019 07:13 19:29
Saturday, 21st September 2019 07:14 19:28
Sunday, 22nd September 2019 07:15 19:26
Monday, 23rd September 2019 07:16 19:24
Tuesday, 24th September 2019 07:17 19:22
Wednesday, 25th September 2019 07:19 19:20
Thursday, 26th September 2019 07:20 19:18
Friday, 27th September 2019 07:21 19:17
Saturday, 28th September 2019 07:22 19:15
Sunday, 29th September 2019 07:23 19:13
Monday, 30th September 2019 07:24 19:11
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