Paysandú weather in September

In September, Paysandú sees average daytime highs of 21°C and overnight lows near 10°C, with 96 mm of rain across 7.7 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 42% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Paysandú's 8th-clearest and 1st-windiest month. For the whole year in context, see Paysandú's year-round climate.

Daytime high
21°
8th warmest
Overnight low
10°
4th coldest
Rainfall
96 mm
7.7 wet days
Daylight
11 h 48 min
7:53 AM – 7:41 PM
Cloud cover
52%
8th clearest
Wind
14 km/h
1st windiest
Solar energy
4.54 kWh/m²
Travel score
6.9
out of 10

Paysandú is city; capital of Paysandú Department, Uruguay.

Density
3,798/km²
people per km²
Founded
1749

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical September day in Paysandú reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12010
22010
32010
42010
52010
62010
72010
82010
92010
102010
112010
122110
132110
142110
152110
162110
172110
182110
192110
202110
212111
222111
232111
242111
252211
262211
272211
282211
292211
302211

Paysandú weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°1058.413.95.0
Feb30° / 19°112813.25.5
Mar28° / 17°1228.112.26.6
Apr24° / 14°1408.411.27.3
May20° / 11°907.210.46.8
Jun17° / 857.19.96.0
Jul17° / 726.410.15.8
Aug19° / 896.910.86.7
Sep21° / 10°967.711.86.9
Oct24° / 13°125912.87.1
Nov27° / 15°1077.313.77.0
Dec30° / 18°1187.814.15.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65347
75347
85446
95545
105545
115644
125644
135644
145743
155743
165743
175743
185743
195743
205743
215644
225545
235545
245446
255446
265248
275248
285149
295149
305050

Chance of precipitation in September

Any precipitation

Paysandú gets around 96 mm of rain over 7.7 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 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
227
327
427
527
627
727
827
926
1026
1126
1225
1325
1425
1525
1625
1724
1824
1924
2024
2125
2225
2325
2425
2525
2626
2726
2826
2927
3027

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 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17115122
27115122
37115122
47115122
57115122
67115122
77215112
87215112
97215112
107215112
117215112
127215112
137315102
147414102
157414102
167414102
177414102
187414102
197414102
207315102
217315102
227216102
237117102
247117102
257018102
266919102
276820102
286621112
296521113
306422113

Wind in September

Winds average 14 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 18 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over September. Sunrise moves from 8:13 AM to 7:33 AM, and sunset from 7:31 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.38:137:31
211.38:127:32
311.48:107:32
411.48:097:33
511.48:087:34
611.58:067:34
711.58:057:35
811.58:047:36
911.68:027:36
1011.68:017:37
1111.67:597:38
1211.77:587:38
1311.77:577:39
1411.77:557:39
1511.87:547:40
1611.87:537:41
1711.87:517:41
1811.97:507:42
1911.97:487:43
2011.97:477:43
2112.07:467:44
2212.07:447:45
2312.07:437:45
2412.17:417:46
2512.17:407:47
2612.17:397:47
2712.27:377:48
2812.27:367:49
2912.27:357:49
3012.37:337:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.54 kWh/m².

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 7.26 kWh/m² in December across the year — September's 4.54 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Bright
44.0Bright
54.1Bright
64.1Bright
74.2Bright
84.2Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.7Bright
204.8Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Paysandú?

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

6.9
Sightseeing
4th-best month of the year
4.1
Beach & pool
8th-best month of the year

September is a reasonable time to visit Paysandú for sightseeing.

What to pack for Paysandú in September

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

In September, Paysandú sees daytime highs around 21°C and nights near 10°C. Worth packing: sun protection. About 8 days see rain.

sun protection

UV index in Paysandú 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 Paysandú peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb11Extreme
Mar10Very high
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Paysandú?

Paysandú sits at 32.3°S, 58.1°W, 44 m above sea level, in Uruguay. The nearest listed city is Colón, 12 km away.

YoungGualeguaychúFray BentosConcordiaSalto

Topography around Paysandú

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Paysandú.

Within 3 km, the terrain around Paysandú has only modest variations in elevation — a maximum elevation change of 62 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, only modest variations in elevation — a maximum elevation change of 153 m.

The land around Paysandú is covered by artificial surfaces (46%) and grassland (22%) within 3 km, grassland (46%), trees (22%) and cropland (22%) within 16 km, and grassland (39%), cropland (35%) and trees (22%) within 80 km.

3 km
62 m
16 km
80 m
80 km
153 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Colón 12 km · Concepción del Uruguay 23 km · Young 60 km · Gualeguaychú 87 km · Fray Bentos 91 km · Villaguay 102 km · Concordia 103 km · Salto 104 km

Uruguay travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / I / L
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$25,216
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
11.2
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 542
Religion
none 47%Roman Catholic 37%Protestant 15%atheist 10%

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 Paysandú (-32.3171°, -58.0807°, elevation 44 m), 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).