Grand Junction weather in September 2024

Expect 81°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Grand Junction in September. Check more long-term weather averages for Grand Junction in September before you book your next holiday to Colorado in 2024/2025.

81
81°F max day temperature
10
10 hours of sunshine per day
6
6 days with some rainfall
50
50°F min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
0.8
0.8 inches of monthly rainfall
7
7 (High) UV index

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The September weather guide for Colorado (Grand Junction) 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) | Imperial (°F)

More about the USA

How hot is it in Grand Junction in September?

Daytime temperatures usually reach 81°F in Grand Junction in September with low heat and humidity, falling to 50°F at night.

How sunny is it in Grand Junction in September?

There are normally 10 hours of bright sunshine each day in Grand Junction in September - that's 78% of daylight hours.

Does it rain in Grand Junction in September?

There are usually 6 days with some rain in Grand Junction in September and the average monthly rainfall is 0.8 inches.

Grand Junction September sunrise & sunset times

Browse the sunrise and sunset times for Grand Junction in September 2024. Select a month to view Grand Junction sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Sunday, 1st September 2024	06:44	19:44
Sunday, 15th September 2024	06:56	19:21
Monday, 30th September 2024	07:10	18:57

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Colorado - quick facts
Flight time^✝	10 hours
Time difference	UK -7 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Colorado Tourism Office