Mapleton, United States — Weather in September 2026

Monthly climate averages for Mapleton, United States. Based on 10-year ERA5 reanalysis data.

Csa Hot-Summer Mediterranean
9.5 /10
Excellent

September is an excellent month in Mapleton

Climate Overview

Mapleton, United States in September has warm conditions, with highs averaging 27.8°C (82°F). Temperatures drop noticeably between day and night.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 32°C (89°F) at the start to 26°C (78°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 11.6h of sunshine at the start of September, decreasing to 10.6h by the end.

The warmest days tend to fall around the 4th, averaging 31.8°C (89°F).

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

LIVE Current Weather Local Time
LIVE Air Quality

Monthly September Averages

Temperature
28°C / 13°C
Feels Like
25°C / 11°C
Rain
4 days · 26 mm
Sunshine
11.2h / day
Humidity
39% — Comfortable
Wind
12 km/h
Wind Direction
SW (224°)
Gusts
44 km/h
Daylight
12.4 h
Cloud Cover
28%
Clear Sky Days
14.7
UV Index
6.5 — High
Dew Point
6°C — Dry
Moon Phase
Waxing Crescent · 11%
Snow Days
1 days · 1.7 cm

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 19:37

What to Expect

Daytime temperatures around 28°C (82°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
2°C / -8°C
Feels Like
-1°C / -12°C
Rain
11days (72 mm) Wet
Sun
7.1h Good
Humidity
75% Muggy
UV
2.9 Moderate
Snow Days
16days
View Details
February
Poor
Temp
4°C / -6°C
Feels Like
1°C / -10°C
Rain
10days (60 mm) Wet
Sun
8.4h Good
Humidity
70% Muggy
UV
3.9 Moderate
Snow Days
14days
View Details
March
Poor
Temp
9°C / -2°C
Feels Like
6°C / -6°C
Rain
12days (65 mm) Wet
Sun
9.7h Good
Humidity
69% Muggy
UV
5.5 High
Snow Days
15days
View Details
April
Fair
Temp
15°C / 2°C
Feels Like
13°C / -1°C
Rain
8days (47 mm) Wet
Sun
11.4h Excellent
Humidity
60% Moderate
UV
6.9 High
Snow Days
9days
View Details
May
Good
Temp
21°C / 7°C
Feels Like
20°C / 4°C
Rain
9days (44 mm) Wet
Sun
12.5h Excellent
Humidity
52% Moderate
UV
7.7 Very High
Snow Days
4days
View Details
June best
Excellent
Temp
30°C / 14°C
Feels Like
28°C / 12°C
Rain
3days (13 mm) Excellent
Sun
13.5h Excellent
Humidity
34% Comfortable
UV
8.3 Very High
View Details
July best
Excellent
Temp
34°C / 19°C
Feels Like
33°C / 18°C
Rain
2days (9 mm) Excellent
Sun
13.3h Excellent
Humidity
29% Comfortable
UV
8.4 Very High
View Details
August best
Excellent
Temp
33°C / 17°C
Feels Like
31°C / 17°C
Rain
4days (21 mm) Good
Sun
12.4h Excellent
Humidity
34% Comfortable
UV
7.7 Very High
View Details
September best
Excellent
Temp
28°C / 13°C
Feels Like
25°C / 11°C
Rain
4days (26 mm) Good
Sun
11.2h Excellent
Humidity
39% Comfortable
UV
6.5 High
Snow Days
1days
View Details
October
Fair
Temp
19°C / 5°C
Feels Like
16°C / 3°C
Rain
6days (39 mm) Good
Sun
9.5h Good
Humidity
52% Moderate
UV
4.9 Moderate
Snow Days
4days
View Details
November
Poor
Temp
11°C / -1°C
Feels Like
8°C / -4°C
Rain
6days (39 mm) Good
Sun
8h Good
Humidity
60% Moderate
UV
3.3 Moderate
Snow Days
8days
View Details
December
Poor
Temp
4°C / -7°C
Feels Like
1°C / -11°C
Rain
9days (64 mm) Wet
Sun
7h Good
Humidity
71% Muggy
UV
2.6 Moderate
Snow Days
14days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 2°C / -8°C -1°C / -12°C 11days (72 mm) Wet 7.1h Good 75% Muggy 2.9 Moderate Poor View Details
February 4°C / -6°C 1°C / -10°C 10days (60 mm) Wet 8.4h Good 70% Muggy 3.9 Moderate Poor View Details
March 9°C / -2°C 6°C / -6°C 12days (65 mm) Wet 9.7h Good 69% Muggy 5.5 High Poor View Details
April 15°C / 2°C 13°C / -1°C 8days (47 mm) Wet 11.4h Excellent 60% Moderate 6.9 High Fair View Details
May 21°C / 7°C 20°C / 4°C 9days (44 mm) Wet 12.5h Excellent 52% Moderate 7.7 Very High Good View Details
June best 30°C / 14°C 28°C / 12°C 3days (13 mm) Excellent 13.5h Excellent 34% Comfortable 8.3 Very High Excellent View Details
July best 34°C / 19°C 33°C / 18°C 2days (9 mm) Excellent 13.3h Excellent 29% Comfortable 8.4 Very High Excellent View Details
August best 33°C / 17°C 31°C / 17°C 4days (21 mm) Good 12.4h Excellent 34% Comfortable 7.7 Very High Excellent View Details
September best 28°C / 13°C 25°C / 11°C 4days (26 mm) Good 11.2h Excellent 39% Comfortable 6.5 High Excellent View Details
October 19°C / 5°C 16°C / 3°C 6days (39 mm) Good 9.5h Good 52% Moderate 4.9 Moderate Fair View Details
November 11°C / -1°C 8°C / -4°C 6days (39 mm) Good 8h Good 60% Moderate 3.3 Moderate Poor View Details
December 4°C / -7°C 1°C / -11°C 9days (64 mm) Wet 7h Good 71% Muggy 2.6 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 Mapleton, with average highs of 28°C (82°F) and around 4 rainy days. Mapleton, United States in September has warm conditions, with highs averaging 27.8°C (82°F). Temperatures drop noticeab
Mapleton typically sees around 4 rainy days in September with 26 mm (1 in) of total rainfall. An umbrella should suffice.
Evenings in Mapleton during September are mild at 13°C (55°F). A light cardigan is usually enough.
With highs of 28°C (82°F) and lows of 13°C (55°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 Mapleton with comfortable temperatures and lower chances of rain.
The average UV index in Mapleton during September is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Mapleton gets approximately 12 hours of daylight per day in September, with around 11 hours of sunshine.
Yes, Mapleton typically sees around 1 snow days in September with roughly 2 cm (1 in) of snowfall.

Last updated: