Fernley weather in September

In September, Fernley sees average daytime highs of 82°F and overnight lows near 54°F, with 0.3 in of rain across 1.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 87°F in the first days to 77°F by the end. The sky is clear or mostly clear about 77% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Fernley's 2nd-clearest and 7th-windiest month. For the whole year in context, see Fernley's year-round climate.

Daytime high: 82°; 4th warmest
Overnight low: 54°; 9th coldest
Rainfall: 0.3 in; 1.7 wet days
Daylight: 12 h 18 min; 5:44 AM – 5:59 PM
Cloud cover: 21%; 2nd clearest
Wind: 5 mph; 7th windiest
Solar energy: 6.09 kWh/m²
Travel score: 7.7; out of 10

Fernley is city in Lyon County, Nevada, United States.

Density: 1,113/km²; people per km²
Founded: 1904

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

← August Fernley year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 87°F in the first days to 77°F by the end.

A typical September day in Fernley reaches about 82°F in the afternoon and slips back to 54°F overnight — a 28°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 92°F. Set against its neighbours, September runs about 9°F cooler than August and about 14°F warmer than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°F)	88	88	87	87	87	86	86	85	85	85	84	84	83	83	83	82	82	82	81	81	80	80	80	79	79	78	78	77	77	76
Avg low (°F)	59	59	59	58	58	58	57	57	56	56	56	55	55	55	54	54	54	53	53	53	52	52	52	51	51	51	50	50	49	49

	Avg high (°F)	Avg low (°F)
1	88	59
2	88	59
3	87	59
4	87	58
5	87	58
6	86	58
7	86	57
8	85	57
9	85	56
10	85	56
11	84	56
12	84	55
13	83	55
14	83	55
15	83	54
16	82	54
17	82	54
18	82	53
19	81	53
20	81	53
21	80	52
22	80	52
23	80	52
24	79	51
25	79	51
26	78	51
27	78	50
28	77	50
29	77	49
30	76	49

How September really feels in Fernley

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

heat index over the day's high

Days feeling ≤ 32°F

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.

Fernley weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	44° / 25°	1.4	6	4.1	9.5	0.8
Feb	50° / 29°	1.1	6	3.7	10.4	2.4
Mar	58° / 35°	1.1	6.1	2.8	11.7	4.7
Apr	64° / 40°	0.7	4.9	1.1	13	6.5
May	73° / 49°	0.8	5	0.2	14.1	7.7
Jun	84° / 57°	0.4	2.4	0.1	14.7	6.9
Jul	93° / 64°	0.2	1.5	0	14.5	3.9
Aug	92° / 62°	0.1	1.5	0	13.6	4.5
Sep	82° / 54°	0.3	1.7	0	12.3	7.7
Oct	69° / 43°	0.6	2.9	0.3	10.9	7.9
Nov	54° / 32°	0.7	4.1	1.2	9.8	3.8
Dec	43° / 25°	1.2	5.8	3.6	9.3	0.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	92	92	92	92	92	91	91	91	91	91	90	90	90	89	89	88	88	88	88	88	87	87	88	88	87	87	87	86	86	85
Cloudier (%)	8	8	8	8	8	9	9	9	9	9	10	10	10	11	11	12	12	12	12	12	13	13	12	12	13	13	13	14	14	15

	Clearer (%)	Cloudier (%)
1	92	8
2	92	8
3	92	8
4	92	8
5	92	8
6	91	9
7	91	9
8	91	9
9	91	9
10	91	9
11	90	10
12	90	10
13	90	10
14	89	11
15	89	11
16	88	12
17	88	12
18	88	12
19	88	12
20	88	12
21	87	13
22	87	13
23	88	12
24	88	12
25	87	13
26	87	13
27	87	13
28	86	14
29	86	14
30	85	15

Chance of precipitation in September

Any precipitation

Fernley gets around 0.3 in of rain over 1.7 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 6% and peaks near 8% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6	6	6	7	7	7	7	8	8	8

	Rain chance (%)
1	4
2	4
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	6
21	6
22	6
23	6
24	7
25	7
26	7
27	7
28	8
29	8
30	8

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (mph)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (mph)	Feels
1	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 5:29 AM to 5:57 AM, and sunset from 6:24 PM to 5:35 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.9	12.9	12.8	12.8	12.7	12.7	12.7	12.6	12.6	12.5	12.5	12.4	12.4	12.3	12.3	12.3	12.2	12.2	12.1	12.1	12.0	12.0	11.9	11.9	11.9	11.8	11.8	11.7	11.7	11.6
Sunrise (AM)	5:29	5:30	5:31	5:32	5:33	5:34	5:35	5:36	5:37	5:38	5:39	5:40	5:41	5:42	5:43	5:44	5:45	5:46	5:47	5:48	5:48	5:49	5:50	5:51	5:52	5:53	5:54	5:55	5:56	5:57
Sunset (PM)	6:24	6:22	6:21	6:19	6:18	6:16	6:14	6:13	6:11	6:09	6:07	6:06	6:04	6:02	6:01	5:59	5:57	5:56	5:54	5:52	5:50	5:49	5:47	5:45	5:44	5:42	5:40	5:39	5:37	5:35

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.9	5:29	6:24
2	12.9	5:30	6:22
3	12.8	5:31	6:21
4	12.8	5:32	6:19
5	12.7	5:33	6:18
6	12.7	5:34	6:16
7	12.7	5:35	6:14
8	12.6	5:36	6:13
9	12.6	5:37	6:11
10	12.5	5:38	6:09
11	12.5	5:39	6:07
12	12.4	5:40	6:06
13	12.4	5:41	6:04
14	12.3	5:42	6:02
15	12.3	5:43	6:01
16	12.3	5:44	5:59
17	12.2	5:45	5:57
18	12.2	5:46	5:56
19	12.1	5:47	5:54
20	12.1	5:48	5:52
21	12.0	5:48	5:50
22	12.0	5:49	5:49
23	11.9	5:50	5:47
24	11.9	5:51	5:45
25	11.9	5:52	5:44
26	11.8	5:53	5:42
27	11.8	5:54	5:40
28	11.7	5:55	5:39
29	11.7	5:56	5:37
30	11.6	5:57	5:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.09 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 8.27 kWh/m² in June across the year — September's 6.09 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	6.8	6.8	6.7	6.7	6.6	6.6	6.5	6.5	6.4	6.4	6.3	6.3	6.2	6.2	6.1	6.1	6.0	6.0	5.9	5.9	5.8	5.8	5.7	5.6	5.6	5.5	5.5	5.4	5.3	5.3
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.8	Intense
2	6.8	Intense
3	6.7	Intense
4	6.7	Intense
5	6.6	Intense
6	6.6	Intense
7	6.5	Intense
8	6.5	Intense
9	6.4	Intense
10	6.4	Intense
11	6.3	Intense
12	6.3	Intense
13	6.2	Intense
14	6.2	Intense
15	6.1	Intense
16	6.1	Intense
17	6.0	Intense
18	6.0	Bright
19	5.9	Bright
20	5.9	Bright
21	5.8	Bright
22	5.8	Bright
23	5.7	Bright
24	5.6	Bright
25	5.6	Bright
26	5.5	Bright
27	5.5	Bright
28	5.4	Bright
29	5.3	Bright
30	5.3	Bright

Planning a trip in September

Is September a good time to visit Fernley?

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

7.7

Sightseeing

2nd-best month of the year

8.5

Beach & pool

1st-best month of the year

September is one of the better times to visit Fernley for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Fernley in September

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

In September, Fernley sees daytime highs around 82°F and nights near 54°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Fernley in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fernley peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	4	7	9	11	11	10	7	5	2	2
Level	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme	Very high	High	High	Moderate	Moderate

	UV index (midday)	Level
Jan	2	Moderate
Feb	3	Moderate
Mar	4	Moderate
Apr	7	High
May	9	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	10	Very high
Sep	7	High
Oct	5	High
Nov	2	Moderate
Dec	2	Moderate

Air quality in Fernley 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 Fernley is worst in July — around 28 µg/m³ PM2.5 (moderate), about 5.5× the cleanest month (December, 5 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	6	8	10	10	10	10	28	21	19	10	7	5
Level	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	6	Good
Feb	8	Good
Mar	10	Good
Apr	10	Good
May	10	Good
Jun	10	Good
Jul	28	Moderate
Aug	21	Moderate
Sep	19	Moderate
Oct	10	Good
Nov	7	Good
Dec	5	Good

Location & terrain

Where is Fernley?

Fernley sits at 39.6°N, 119.3°W, 4,160 ft above sea level, in United States. The nearest listed city is Spanish Springs, 24 mi away.

Topography around Fernley

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

Within 2 miles, the terrain around Fernley has only modest variations in elevation — a maximum elevation change of 686 ft around an average of 4,180 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,307 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,896 ft.

The land around Fernley is covered by bare terrain (56%) and artificial surfaces (22%) within 2 miles, grassland (48%) and bare terrain (39%) within 10 miles, and grassland (40%) and bare terrain (34%) within 50 miles.

2 miles

686 ft

bare terrain 56%

10 miles

3,307 ft

grassland 48%

50 miles

6,896 ft

grassland 40%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← August Fernley year-round climate October →Best places to visit in September

September weather nearby: Spanish Springs 24 mi · Sparks 27 mi · Sun Valley 28 mi · Reno 30 mi · Carson City 41 mi · Truckee 53 mi · Lake Tahoe 61 mi · Susanville 93 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

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 Fernley (39.608°, -119.2518°, elevation 4,160 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).

	Avg high (°F)	Avg low (°F)
1	88	59
2	88	59
3	87	59
4	87	58
5	87	58
6	86	58
7	86	57
8	85	57
9	85	56
10	85	56
11	84	56
12	84	55
13	83	55
14	83	55
15	83	54
16	82	54
17	82	54
18	82	53
19	81	53
20	81	53
21	80	52
22	80	52
23	80	52
24	79	51
25	79	51
26	78	51
27	78	50
28	77	50
29	77	49
30	76	49

	Clearer (%)	Cloudier (%)
1	92	8
2	92	8
3	92	8
4	92	8
5	92	8
6	91	9
7	91	9
8	91	9
9	91	9
10	91	9
11	90	10
12	90	10
13	90	10
14	89	11
15	89	11
16	88	12
17	88	12
18	88	12
19	88	12
20	88	12
21	87	13
22	87	13
23	88	12
24	88	12
25	87	13
26	87	13
27	87	13
28	86	14
29	86	14
30	85	15

	Rain chance (%)
1	4
2	4
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	6
21	6
22	6
23	6
24	7
25	7
26	7
27	7
28	8
29	8
30	8

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°F)	Avg low (°F)
1	88	59
2	88	59
3	87	59
4	87	58
5	87	58
6	86	58
7	86	57
8	85	57
9	85	56
10	85	56
11	84	56
12	84	55
13	83	55
14	83	55
15	83	54
16	82	54
17	82	54
18	82	53
19	81	53
20	81	53
21	80	52
22	80	52
23	80	52
24	79	51
25	79	51
26	78	51
27	78	50
28	77	50
29	77	49
30	76	49

	Clearer (%)	Cloudier (%)
1	92	8
2	92	8
3	92	8
4	92	8
5	92	8
6	91	9
7	91	9
8	91	9
9	91	9
10	91	9
11	90	10
12	90	10
13	90	10
14	89	11
15	89	11
16	88	12
17	88	12
18	88	12
19	88	12
20	88	12
21	87	13
22	87	13
23	88	12
24	88	12
25	87	13
26	87	13
27	87	13
28	86	14
29	86	14
30	85	15

	Rain chance (%)
1	4
2	4
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	6
21	6
22	6
23	6
24	7
25	7
26	7
27	7
28	8
29	8
30	8

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°F)	Avg low (°F)
1	88	59
2	88	59
3	87	59
4	87	58
5	87	58
6	86	58
7	86	57
8	85	57
9	85	56
10	85	56
11	84	56
12	84	55
13	83	55
14	83	55
15	83	54
16	82	54
17	82	54
18	82	53
19	81	53
20	81	53
21	80	52
22	80	52
23	80	52
24	79	51
25	79	51
26	78	51
27	78	50
28	77	50
29	77	49
30	76	49

	Clearer (%)	Cloudier (%)
1	92	8
2	92	8
3	92	8
4	92	8
5	92	8
6	91	9
7	91	9
8	91	9
9	91	9
10	91	9
11	90	10
12	90	10
13	90	10
14	89	11
15	89	11
16	88	12
17	88	12
18	88	12
19	88	12
20	88	12
21	87	13
22	87	13
23	88	12
24	88	12
25	87	13
26	87	13
27	87	13
28	86	14
29	86	14
30	85	15

	Rain chance (%)
1	4
2	4
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	6
21	6
22	6
23	6
24	7
25	7
26	7
27	7
28	8
29	8
30	8

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100