Parlier weather in September

In September, Parlier sees average daytime highs of 90°F and overnight lows near 64°F, with 0.1 in of rain across 0.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 93°F in the first days to 86°F by the end. The sky is clear or mostly clear about 88% 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 Parlier's 3rd-clearest and 7th-windiest month. For the whole year in context, see Parlier's year-round climate.

Daytime high
90°
4th warmest
Overnight low
64°
9th coldest
Rainfall
0.1 in
0.5 wet days
Daylight
12 h 12 min
5:46 AM – 5:59 PM
Cloud cover
13%
3rd clearest
Wind
4 mph
7th windiest
Solar energy
6.18 kWh/m²
Travel score
5.4
out of 10

Parlier is city in Fresno County, California, United States.

Density
2,522/km²
people per km²
Founded
1921

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 93°F in the first days to 86°F by the end.

A typical September day in Parlier reaches about 90°F in the afternoon and slips back to 64°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 98°F. Set against its neighbours, September runs about 6°F cooler than August and about 11°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
19468
29468
39367
49367
59367
69267
79266
89266
99266
109166
119165
129165
139065
149065
159064
168964
178964
188964
198963
208863
218863
228863
238762
248762
258762
268762
278662
288661
298561
308561

How September really feels in Parlier

Once humidity and wind are folded in, September averages 15 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
15
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Parlier 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.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan59° / 42°3.97.89.84.8
Feb62° / 44°3.5910.65.5
Mar67° / 48°3.48.511.76.6
Apr73° / 51°1.64.912.97.8
May82° / 58°0.8313.97.6
Jun91° / 65°0.20.714.54.9
Jul96° / 71°0.10.314.22.9
Aug96° / 70°0.00.113.43.2
Sep90° / 64°0.10.512.25.4
Oct79° / 56°1.02.811.18.3
Nov66° / 47°1.74.8107.1
Dec58° / 41°3.17.29.54.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 88% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 6%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2973
3964
4964
5964
6964
7964
8964
9955
10955
11955
12955
13946
14946
15946
16946
17946
18937
19928
20928
21928
22928
23928
24928
25919
26919
27919
289010
299010
309010

Chance of precipitation in September

Any precipitation

Parlier gets around 0.1 in of rain over 0.5 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 2% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
182
192
202
212
222
232
243
253
264
274
284
295
305

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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1781651
2781651
3791551
4801541
5801541
6801541
7811531
8811531
9811531
10821521
11831520
12831520
13841510
14841510
15841510
16841510
17841510
18841510
19841510
20841510
21841510
22851410
23851410
24851410
25851410
26851410
27851410
28851410
29861310
30871300

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:33 AM to 5:57 AM, and sunset from 6:22 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:336:22
212.85:346:21
312.75:356:19
412.75:366:18
512.75:376:16
612.65:376:15
712.65:386:13
812.55:396:12
912.55:406:10
1012.55:416:09
1112.45:416:07
1212.45:426:06
1312.35:436:04
1412.35:446:02
1512.35:456:01
1612.25:465:59
1712.25:465:58
1812.15:475:56
1912.15:485:55
2012.15:495:53
2112.05:505:51
2212.05:515:50
2312.05:515:48
2411.95:525:47
2511.95:535:45
2611.85:545:44
2711.85:555:42
2811.85:565:41
2911.75:565:39
3011.75:575:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.18 kWh/m².

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 8.22 kWh/m² in June across the year — September's 6.18 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.7Intense
56.7Intense
66.6Intense
76.6Intense
86.5Intense
96.5Intense
106.5Intense
116.4Intense
126.4Intense
136.3Intense
146.3Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.0Intense
206.0Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.7Bright
265.7Bright
275.6Bright
285.5Bright
295.5Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Parlier?

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

5.4
Sightseeing
7th-best month of the year
8.5
Beach & pool
1st-best month of the year

September is a reasonable time to visit Parlier for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Parlier in September

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

In September, Parlier sees daytime highs around 90°F and nights near 64°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Parlier 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 Parlier peaks around June 20 at about 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 20UV 10Dec 17UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Very high
Aug10Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec2Moderate

Air quality in Parlier 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 Parlier is worst in September — around 126 µg/m³ PM2.5 (unhealthy), about 16.4× the cleanest month (December, 8 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateUnhealthyGoodSep 16118 µg/m³Dec 228 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb13Moderate
Mar12Good
Apr10Good
May9Good
Jun14Moderate
Jul15Moderate
Aug62Unhealthy
Sep126Unhealthy
Oct55Poor
Nov14Moderate
Dec8Good
Location & terrain

Where is Parlier?

Parlier sits at 36.6°N, 119.5°W, 344 ft above sea level, in United States. The nearest listed city is Reedley, 4.3 mi away.

Topography around Parlier

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

Within 2 miles, the terrain around Parlier has only modest variations in elevation — a maximum elevation change of 46 ft around an average of 344 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,473 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,296 ft.

The land around Parlier is covered by cropland (42%) and trees (22%) within 2 miles, cropland (39%), grassland (24%) and trees (23%) within 10 miles, and trees (35%), grassland (30%) and cropland (25%) within 50 miles.

2 miles
46 ft
10 miles
1,473 ft
50 miles
11,296 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Reedley 4.3 mi · Selma 5.6 mi · Sanger 6.8 mi · Dinuba 9.3 mi · Fresno 17 mi · Clovis 17 mi · Hanford 21 mi · Visalia 24 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 Parlier (36.6116°, -119.5271°, elevation 344 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).