Durango weather in September

In September, Durango sees average daytime highs of 71°F and overnight lows near 44°F, with 2.5 in of rain across 7.1 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 75°F in the first days to 67°F by the end. The sky is clear or mostly clear about 62% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Durango's 2nd-clearest and 6th-windiest month. For the whole year in context, see Durango's year-round climate.

Daytime high
71°
4th warmest
Overnight low
44°
9th coldest
Rainfall
2.5 in
7.1 wet days
Daylight
12 h 12 min
5:59 AM – 6:13 PM
Cloud cover
33%
2nd clearest
Wind
5 mph
6th windiest
Solar energy
5.85 kWh/m²
Travel score
7.4
out of 10

Durango is home rule municipality in and county seat of La Plata County, Colorado, United States.

Density
698/km²
people per km²
Founded
1881

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 75°F in the first days to 67°F by the end.

A typical September day in Durango reaches about 71°F in the afternoon and slips back to 44°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 79°F. Set against its neighbours, September runs about 7°F cooler than August and about 11°F warmer than October.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
17649
27549
37549
47448
57448
67448
77347
87347
97347
107246
117246
127245
137145
147144
157144
167044
177043
187043
197043
206942
216942
226942
236941
246841
256840
266840
276740
286740
296739
306639

How September really feels in Durango

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Durango weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 12°2.47.17.39.70.0
Feb38° / 16°2.38.37.810.60.0
Mar46° / 22°1.97.86.311.71.3
Apr54° / 29°1.77.33.912.93.7
May65° / 37°1.56.41146.6
Jun77° / 46°0.73.3014.58.3
Jul81° / 53°1.57.7014.37.1
Aug78° / 52°1.88.8013.47.2
Sep71° / 44°2.57.1012.37.4
Oct59° / 33°2.27.31.4115.4
Nov46° / 20°2.06.25101.4
Dec35° / 11°2.06.66.69.50.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28119
37921
47921
57921
67921
77921
87921
97921
107921
117921
127921
137921
147921
157921
168020
178119
188119
198119
208317
218317
228317
238317
248317
258317
268317
278317
288218
298218
308218

Chance of precipitation in September

Any precipitation

Durango gets around 2.5 in of rain over 7.1 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
527
628
728
828
928
1028
1128
1228
1327
1427
1526
1625
1724
1823
1922
2021
2120
2220
2319
2419
2519
2620
2720
2821
2922
3022

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 5:46 AM to 6:11 AM, and sunset from 6:36 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:466:36
212.85:476:35
312.85:486:33
412.75:496:32
512.75:496:30
612.65:506:29
712.65:516:27
812.65:526:26
912.55:536:24
1012.55:546:22
1112.45:556:21
1212.45:556:19
1312.45:566:18
1412.35:576:16
1512.35:586:14
1612.25:596:13
1712.26:006:11
1812.26:006:10
1912.16:016:08
2012.16:026:07
2112.06:036:05
2212.06:046:03
2311.96:056:02
2411.96:066:00
2511.96:075:59
2611.86:075:57
2711.86:085:55
2811.76:095:54
2911.76:105:52
3011.76:115:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.85 kWh/m².

For context, solar energy here swings from a low near 2.84 kWh/m² to a high of 8.34 kWh/m² in June across the year — September's 5.85 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.2Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.0Intense
96.0Intense
106.0Bright
116.0Bright
125.9Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.3Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Durango?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.4
Sightseeing
2nd-best month of the year
4.8
Beach & pool
4th-best month of the year

September is one of the better times to visit Durango for general sightseeing.

What to pack for Durango in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Durango sees daytime highs around 71°F and nights near 44°F. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

UV index in Durango in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Durango peaks around July 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 12Dec 18UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr6High
May9Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Durango in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Durango is worst in June — around 17 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (October, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1616 µg/m³Oct 225 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb5Good
Mar6Good
Apr6Good
May6Good
Jun17Moderate
Jul7Good
Aug9Good
Sep7Good
Oct5Good
Nov5Good
Dec5Good
Location & terrain

Where is Durango?

Durango sits at 37.3°N, 107.9°W, 6,532 ft above sea level, in United States. The nearest listed city is Farmington, 42 mi away.

Topography around Durango

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Durango.

Within 2 miles, the terrain around Durango has significant variations in elevation — a maximum elevation change of 1,289 ft around an average of 6,870 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,692 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,012 ft.

The land around Durango is covered by trees (58%) and grassland (21%) within 2 miles, trees (63%) and grassland (28%) within 10 miles, and trees (52%) and grassland (22%) within 50 miles.

2 miles
1,289 ft
10 miles
4,692 ft
50 miles
9,012 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
September weather nearby: Farmington 42 mi · Telluride 46 mi · Montrose 83 mi · Moab 128 mi · Grand Junction 129 mi · Clifton 129 mi · Gallup 130 mi · Aspen 144 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Durango (37.2753°, -107.8801°, elevation 6,532 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).