Grand Junction weather in September 2024

Expect 27°C 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.

27
27°C max day temperature
10
10 hours of sunshine per day
6
6 days with some rainfall
10
10°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
21
21 mm of monthly rainfall
7
7 (High) UV index

More about Grand Junction

Grand Junction by month

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

Recommended for Colorado

Crystal Ski: up to £220pp off skiing holidays

Sale

Save up to £220 per person on skiing holidays in 2024
Book online with Crystal Ski Holidays. T&Cs apply
Destinations include Andorra, Austria, France & Italy

Go to Crystal Ski deal >>

View all Crystal Ski offers

Crystal Ski deal finder

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 / mm) | Imperial (°F / inches)

More about the USA

How hot is it in Grand Junction in September?

Daytime temperatures usually reach 27°C in Grand Junction in September with low heat and humidity, falling to 10°C 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 21mm.

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

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

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