9.8 /10
Excellent

September is an excellent month in Orem

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.

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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

36°C 31°C 26°C 21°C 16°C 11°C 6°C 151015202530
HighLow

Daily Precipitation

0 mm 1 mm 2 mm 3 mm 4 mm 151015202530
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202530
Sunshine

Daily Wind Speed

0 4 8 12 16 20 151015202530
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

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

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
Orem typically sees around 3 rainy days in September with 23 mm (0.9 in) of total rainfall. An umbrella should suffice.
Evenings in Orem during September are mild at 14°C (57°F). A light cardigan is usually enough.
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.
Yes, September offers some of the best weather conditions in Orem with comfortable temperatures and lower chances of rain.
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.
Orem gets approximately 12 hours of daylight per day in September, with around 11 hours of sunshine.
Snow is uncommon in Orem during September based on 10-year climate averages.

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