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Lewiston weather in September 2020
- 2525°C max day temperature
- 66 days with some rainfall
- 99°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 2121 mm of monthly rainfall
- 55 (Moderate) UV index
The September weather guide for Lewiston, 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.
How hot is it in Lewiston in September?
Daytime temperatures usually reach 25°C in Lewiston in September with no heat and humidity, falling to 9°C at night.
How sunny is it in Lewiston in September?
There are normally 9 hours of bright sunshine each day in Lewiston in September - that's 74% of daylight hours.
Does it rain in Lewiston in September?
There are usually 6 days with some rain in Lewiston in September and the average monthly rainfall is 21mm.
Lewiston sunrise & sunset times for September 2020
Browse the sunrise & sunset times for Lewiston in September 2020. Select a month to view Lewiston sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st September 2020||06:09||19:26|
|Tuesday, 15th September 2020||06:27||18:58|
|Wednesday, 30th September 2020||06:46||18:29|
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Metric (°C / mm) | Imperial (°F / inches)
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Where's hot in Idaho in September?
Below are average maximum temperatures at popular destinations in Idaho in September. Select a destination to see more weather parameters.
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