East Hemet weather in September

In September, East Hemet sees average daytime highs of 85°F and overnight lows near 62°F, with 0.2 in of rain across 1 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 88°F in the first days to 83°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 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is East Hemet's 2nd-clearest and 11th-windiest month. For the whole year in context, see East Hemet's year-round climate.

Daytime high
85°
3rd warmest
Overnight low
62°
10th coldest
Rainfall
0.2 in
1 wet days
Daylight
12 h 12 min
5:36 AM – 5:48 PM
Cloud cover
15%
2nd clearest
Wind
3 mph
11th windiest
Solar energy
6.28 kWh/m²
Travel score
6.9
out of 10

East Hemet is census designated place in Riverside County, California, United States.

Density
1,293/km²
people per km²

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 88°F in the first days to 83°F by the end.

A typical September day in East Hemet reaches about 85°F in the afternoon and slips back to 62°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 94°F. Set against its neighbours, September runs about 4°F cooler than August and about 8°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
18966
28966
38866
48866
58865
68865
78765
88765
98764
108764
118664
128663
138663
148663
158562
168562
178562
188562
198561
208561
218461
228461
238460
248460
258460
268360
278359
288359
298359
308258

East Hemet weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan61° / 40°2.96.60.7105.6
Feb61° / 42°3.57.7110.75.5
Mar64° / 44°2.26.60.611.76.5
Apr69° / 48°1.14.50.312.87.6
May74° / 53°0.52.7013.78.6
Jun82° / 60°0.10.6014.28.1
Jul88° / 66°0.21.20145.8
Aug89° / 67°0.11013.35.5
Sep85° / 62°0.21012.26.9
Oct77° / 54°0.72.9011.28.6
Nov68° / 46°1.13.30.110.27.7
Dec60° / 40°2.35.50.49.85.6

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 5% of September, with mostly cloudy or overcast conditions the remaining 7%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3946
4946
5946
6937
7946
8946
9946
10946
11946
12946
13946
14937
15937
16937
17937
18937
19928
20928
21928
22928
23919
24919
25919
26919
279010
289010
299010
309010

Chance of precipitation in September

Any precipitation

East Hemet gets around 0.2 in of rain over 1 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 4% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
44
54
64
74
84
94
103
113
123
133
143
153
163
173
183
193
203
213
223
233
243
254
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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15630131
25829121
35829121
45928121
56027121
66226111
76226111
86425101
96624100
10682390
11702280
12712270
13742060
14751960
15771850
16781840
17791740
18801640
19811630
20821530
21821530
22821530
23831430
24831430
25831430
26841330
27851320
28851320
29861220
30861220

Wind in September

Winds average 3 mph in September.

Across September, daily wind ranges from about 3 mph on the calmest days to 3 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 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 60 minutes over September. Sunrise moves from 5:25 AM to 5:46 AM, and sunset from 6:10 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:256:10
212.75:266:08
312.75:276:07
412.65:276:05
512.65:286:04
612.65:296:03
712.55:306:01
812.55:306:00
912.55:315:58
1012.45:325:57
1112.45:325:55
1212.35:335:54
1312.35:345:53
1412.35:345:51
1512.25:355:50
1612.25:365:48
1712.25:375:47
1812.15:375:45
1912.15:385:44
2012.15:395:42
2112.05:395:41
2212.05:405:40
2312.05:415:38
2411.95:425:37
2511.95:425:35
2611.85:435:34
2711.85:445:32
2811.85:445:31
2911.75:455:30
3011.75:465:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.28 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 8.35 kWh/m² in June across the year — September's 6.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.6Intense
56.6Intense
66.6Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.4Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.0Intense
246.0Intense
256.0Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.7Bright
Planning a trip in September

Is September a good time to visit East Hemet?

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

6.9
Sightseeing
6th-best month of the year
9.0
Beach & pool
1st-best month of the year

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

What to pack for East Hemet in September

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

In September, East Hemet sees daytime highs around 85°F and nights near 62°F. Pack light clothes and sun protection.

light clothessun protection

UV index in East Hemet in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in East Hemet peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highHighModerateJun 23UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in East Hemet 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 East Hemet is worst in September — around 40 µg/m³ PM2.5 (poor), about 5.4× the cleanest month (December, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1437 µg/m³Dec 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr10Good
May8Good
Jun19Moderate
Jul12Moderate
Aug20Moderate
Sep40Poor
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is East Hemet?

East Hemet sits at 33.7°N, 116.9°W, 1,690 ft above sea level, in United States. The nearest listed city is Hemet, 1.9 mi away.

Topography around East Hemet

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

Within 2 miles, the terrain around East Hemet has only modest variations in elevation — a maximum elevation change of 676 ft around an average of 1,719 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,331 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,627 ft.

The land around East Hemet is covered by artificial surfaces (59%) within 2 miles, shrubs (49%) and grassland (24%) within 10 miles, and shrubs (33%) within 50 miles.

2 miles
676 ft
10 miles
4,331 ft
50 miles
11,627 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Hemet 1.9 mi · San Jacinto 3.1 mi · Menifee 12 mi · Beaumont 13 mi · Banning 13 mi · Sun City 15 mi · Perris 17 mi · Murrieta 21 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 East Hemet (33.74°, -116.9389°, elevation 1,690 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).