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Grand Junction Weather September

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August

October

Temperatures trend during September in Grand Junction

See the weather trend as well as the moving average line

September weather in Grand Junction day by day

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August October

Date	Weather	Temperatures	Rain	UV
Sept. 1	Patchy rain possible	31° /12°	2.1 mm	8
Sept. 2	Moderate rain	31° /13°	18.5 mm	8
Sept. 3	Partly cloudy	34° /14°	0 mm	8.4
Sept. 4	Sunny	34° /14°	0 mm	8.3
Sept. 5	Sunny	32° /15°	0 mm	8.2
Sept. 6	Partly cloudy	30° /13°	0.1 mm	6
Sept. 7	Sunny	30° /13°	0 mm	6
Sept. 8	Sunny	32° /12°	0 mm	7.9
Sept. 9	Cloudy	31° /13°	0 mm	7.8
Sept. 10	Sunny	32° /12°	0 mm	7.7
Sept. 11	Thundery outbreaks possible	30° /13°	3 mm	7
Sept. 12	Moderate rain	28° /13°	16 mm	5
Sept. 13	Torrential rain shower	26° /13°	26.8 mm	6
Sept. 14	Patchy rain possible	25° /12°	1 mm	5
Sept. 15	Light rain	29° /11°	3.9 mm	7
Sept. 16	Patchy rain possible	28° /11°	1 mm	4
Sept. 17	Light rain	22° /13°	5.2 mm	4
Sept. 18	Patchy rain possible	26° /11°	2.2 mm	6
Sept. 19	Light rain	25° /11°	6.8 mm	6
Sept. 20	Partly cloudy	25° /11°	0 mm	6.8
Sept. 21	Partly cloudy	25° /9°	0 mm	6
Sept. 22	Patchy rain possible	27° /12°	1.9 mm	6
Sept. 23	Patchy rain possible	22° /11°	1.6 mm	4
Sept. 24	Sunny	24° /9°	0.2 mm	4
Sept. 25	Patchy rain possible	25° /9°	1.2 mm	5
Sept. 26	Overcast	23° /10°	0.5 mm	6
Sept. 27	Partly cloudy	26° /11°	0 mm	4
Sept. 28	Patchy rain possible	21° /10°	2.4 mm	4
Sept. 29	Sunny	23° /9°	0.2 mm	4
Sept. 30	Overcast	20° /10°	0.4 mm	3
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Important Notice

Our weather forecast for Grand Junction in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grand Junction forecast closer to your planned date for the most up-to-date weather information.

Change Month

Grand Junction in September - FAQ

What are the expected maximum and minimum temperatures in Grand Junction during September?

Enjoy moderate daytime temperatures of up to 27° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Grand Junction during September?

Moderate rainfall is anticipated in Grand Junction during September, with a total of 95.1 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Grand Junction during September?

The average wind speed in Grand Junction during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Grand Junction

Explore the daily rainfall trends and prepare for Grand Junctions September weather 💧

Typically, Grand Junction has 9 rainy days in September with a total of 95.1 mm of rainfall.

UV exposure in Grand Junction during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Where is Grand Junction?

Get accurate weather forecasts for Grand Junction, located at latitude 39.064 and longitude -108.551. Stay updated with localized weather information tailored for Grand Junction.

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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
			1 31°	2 31°	3 34°	4 34°
5 32°	6 30°	7 30°	8 32°	9 31°	10 32°	11 30°
12 28°	13 26°	14 25°	15 29°	16 28°	17 22°	18 26°
19 25°	20 25°	21 25°	22 27°	23 22°	24 24°	25 25°
26 23°	27 26°	28 21°	29 23°	30 20°