Lodi weather in September

In September, Lodi sees average daytime highs of 86°F and overnight lows near 58°F, with 0.1 in of rain across 0.7 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 88°F in the first days to 83°F by the end. The sky is clear or mostly clear about 86% 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 42 min by month's end. Set against the rest of the year, September is Lodi's 3rd-clearest and 10th-windiest month. For the whole year in context, see Lodi's year-round climate.

Daytime high
86°
4th warmest
Overnight low
58°
9th coldest
Rainfall
0.1 in
0.7 wet days
Daylight
12 h 12 min
5:52 AM – 6:07 PM
Cloud cover
14%
3rd clearest
Wind
4 mph
10th windiest
Solar energy
6.03 kWh/m²
Travel score
6.8
out of 10

Lodi is city in San Joaquin County, California, United States.

Density
1,796/km²
people per km²
Founded
1906

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 Lodi reaches about 86°F in the afternoon and slips back to 58°F overnight — a 28°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 94°F. Set against its neighbours, September runs about 3°F cooler than August and about 9°F warmer than October.

60°80°100°151015202530
Avg high (°F)Avg low (°F)
18960
28960
38860
48860
58859
68859
78859
88759
98759
108759
118759
128758
138658
148658
158658
168658
178658
188558
198558
208558
218558
228557
238557
248457
258457
268457
278457
288356
298356
308356

How September really feels in Lodi

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.

Lodi 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
Jan57° / 41°4.59.29.74.2
Feb62° / 44°4.49.410.55.2
Mar67° / 47°3.7911.76.4
Apr72° / 50°1.85.5137.6
May80° / 55°1.03.8147.9
Jun87° / 59°0.20.914.66.3
Jul90° / 60°0.00.114.45.4
Aug89° / 60°0.10.213.55.6
Sep86° / 58°0.10.712.36.8
Oct77° / 53°1.33.2118.4
Nov65° / 45°2.36.29.96.5
Dec57° / 41°4.39.39.44.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 86% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% 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 (%)
1964
2964
3955
4955
5955
6964
7955
8946
9946
10946
11946
12946
13937
14937
15937
16937
17928
18928
19928
20928
21919
22919
23919
24919
25919
26919
27919
289010
299010
309010

Chance of precipitation in September

Any precipitation

Lodi gets around 0.1 in of rain over 0.7 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 3% and peaks near 6% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
192
203
213
223
233
243
254
264
274
285
295
306

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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
169283
271263
372253
473243
574233
674233
775223
876213
977203
1077203
1178202
1278202
1378202
1478202
1578202
1678211
1778211
1878211
1978211
2078211
2178211
2278211
2379201
2480200
2580200
2681190
2782180
2882180
2983170
3084160

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 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
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 54 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 72 minutes over September. Sunrise moves from 5:39 AM to 6:05 AM, and sunset from 6:31 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:396:31
212.85:406:29
312.85:416:28
412.75:416:26
512.75:426:24
612.75:436:23
712.65:446:21
812.65:456:20
912.55:466:18
1012.55:476:16
1112.55:486:15
1212.45:496:13
1312.45:496:12
1412.35:506:10
1512.35:516:08
1612.25:526:07
1712.25:536:05
1812.25:546:03
1912.15:556:02
2012.15:566:00
2112.05:575:59
2212.05:585:57
2311.95:585:55
2411.95:595:54
2511.96:005:52
2611.86:015:50
2711.86:025:49
2811.76:035:47
2911.76:045:46
3011.76:055:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.03 kWh/m².

For context, solar energy here swings from a low near 2.14 kWh/m² to a high of 8.21 kWh/m² in July across the year — September's 6.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.7Intense
36.7Intense
46.6Intense
56.6Intense
66.5Intense
76.5Intense
86.4Intense
96.4Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.1Intense
156.0Intense
166.0Intense
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.4Bright
285.3Bright
295.3Bright
305.2Bright
Planning a trip in September

Hazard calendar for Lodi

In seasonPeak

None of Lodi's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Lodi's rainy season runs November–March, when most of the year's rain falls.

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

Is September a good time to visit Lodi?

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

6.8
Sightseeing
4th-best month of the year
9.0
Beach & pool
1st-best month of the year

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

What to pack for Lodi in September

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

In September, Lodi sees daytime highs around 86°F and nights near 58°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Lodi in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lodi peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highVery highHighModerateJun 20UV 10Dec 14UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Lodi 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 Lodi is worst in August — around 27 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (June, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 2126 µg/m³Jun 138 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar15Moderate
Apr12Good
May9Good
Jun8Good
Jul11Good
Aug27Moderate
Sep23Moderate
Oct17Moderate
Nov19Moderate
Dec14Moderate
Location & terrain

Where is Lodi?

Lodi sits at 38.1°N, 121.3°W, 49 ft above sea level, in United States. The nearest listed city is Galt, 8.7 mi away.

Topography around Lodi

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

Within 2 miles, the terrain around Lodi has only modest variations in elevation — a maximum elevation change of 82 ft around an average of 52 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 210 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,787 ft.

The land around Lodi is covered by artificial surfaces (61%) within 2 miles, cropland (50%) within 10 miles, and grassland (38%), trees (28%) and cropland (20%) within 50 miles.

2 miles
82 ft
10 miles
210 ft
50 miles
4,787 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Galt 8.7 mi · Stockton 12 mi · Elk Grove 20 mi · Lathrop 21 mi · Laguna 22 mi · Manteca 23 mi · Vineyard 24 mi · Oakley 25 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 Lodi (38.1302°, -121.2725°, elevation 49 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).