Orem, United States — Weather in September 2026

Climate Overview

Orem, United States in September has warm conditions, with highs averaging 26.5°C (80°F). Rain is rare, falling on about 3 days this month. Temperatures drop noticeably between day and night.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 31°C (87°F) at the start to 24°C (75°F) by month's end.

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 11.7h of sunshine at the start of September, decreasing to 10.6h by the end.

The warmest days tend to fall around the 2th, averaging 30.5°C (87°F).

Compared to August, this month is about 5°C cooler with 0 fewer rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

27°C / 14°C

Feels Like

25°C / 13°C

Rain

3 days · 23 mm

Sunshine

11.2h / day

Humidity

45% — Comfortable

Wind

12 km/h

Wind Direction

SE (124°)

Gusts

40 km/h

Daylight

12.4 h

Cloud Cover

27%

Clear Sky Days

15.1

UV Index

6.5 — High

Dew Point

8°C — Dry

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 07:09

Daylight 12.5h

Sunset 19:38

What to Expect

Daytime temperatures around 27°C (80°F) are ideal for full-day outdoor exploration.

Rain is uncommon in this month, so most days stay dry from morning through evening.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

2days (10 mm) Excellent

1days (5 mm) Excellent

3days (14 mm) Excellent

3days (23 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	1°C / -8°C	-2°C / -12°C	11days (61 mm) Wet	7h Good	78% Humid	2.8 Moderate	Poor	View Details
February	3°C / -6°C	0°C / -10°C	9days (50 mm) Wet	8.2h Good	73% Muggy	3.7 Moderate	Poor	View Details
March	8°C / -2°C	5°C / -6°C	11days (59 mm) Wet	9.7h Good	71% Muggy	5.3 High	Poor	View Details
April	14°C / 2°C	12°C / -1°C	8days (46 mm) Wet	11.3h Excellent	64% Muggy	6.9 High	Fair	View Details
May	20°C / 8°C	19°C / 6°C	8days (36 mm) Wet	12.4h Excellent	57% Moderate	7.7 Very High	Good	View Details
June best	29°C / 15°C	27°C / 14°C	2days (10 mm) Excellent	13.5h Excellent	40% Comfortable	8.3 Very High	Excellent	View Details
July best	33°C / 20°C	32°C / 20°C	1days (5 mm) Excellent	13.3h Excellent	35% Comfortable	8.4 Very High	Excellent	View Details
August best	31°C / 18°C	30°C / 19°C	3days (14 mm) Excellent	12.4h Excellent	40% Comfortable	7.6 Very High	Excellent	View Details
September best	27°C / 14°C	25°C / 13°C	3days (23 mm) Excellent	11.2h Excellent	45% Moderate	6.5 High	Excellent	View Details
October	17°C / 6°C	15°C / 4°C	6days (35 mm) Good	9.5h Good	58% Moderate	4.8 Moderate	Good	View Details
November	10°C / 0°C	7°C / -3°C	6days (34 mm) Good	7.9h Good	67% Muggy	3.2 Moderate	Poor	View Details
December	3°C / -7°C	0°C / -11°C	9days (52 mm) Wet	6.9h Fair	75% Muggy	2.5 Moderate	Poor	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Orem?

September is typically excellent for visiting Orem, with average highs of 27°C (80°F) and around 3 rainy days. Orem, United States in September has warm conditions, with highs averaging 26.5°C (80°F). Rain is rare, falling on about

Does it rain a lot in Orem in September?

Orem typically sees around 3 rainy days in September with 23 mm (0.9 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Orem in September?

Evenings in Orem during September are mild at 14°C (57°F). A light cardigan is usually enough.

What should I pack for Orem in September?

With highs of 27°C (80°F) and lows of 14°C (57°F) in September, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

Is September among the best months weather-wise in Orem?

Yes, September offers some of the best weather conditions in Orem with comfortable temperatures and lower chances of rain.

What is the UV index in Orem in September?

The average UV index in Orem during September is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Orem in September?

Orem gets approximately 12 hours of daylight per day in September, with around 11 hours of sunshine.

Does it snow in Orem in September?

Snow is uncommon in Orem during September based on 10-year climate averages.

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