Bayeux weather in September

In September, Bayeux sees average daytime highs of 28°C and overnight lows near 23°C, with 34 mm of rain across 13.7 wet days and about 12 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Bayeux's 1st-clearest and 2nd-windiest month. For the whole year in context, see Bayeux's year-round climate.

Daytime high
28°
9th warmest
Overnight low
23°
3rd coldest
Rainfall
34 mm
13.7 wet days
Daylight
12 hours
5:15 AM – 5:13 PM
Cloud cover
42%
1st clearest
Wind
17 km/h
2nd windiest
Solar energy
5.67 kWh/m²
Travel score
6.0
out of 10

Bayeux is human settlement in Brazil.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Bayeux reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12722
22722
32722
42822
52822
62822
72822
82822
92822
102822
112822
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823

How September really feels in Bayeux

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Bayeux weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°5817.412.44.4
Feb30° / 25°7117.512.24.1
Mar30° / 25°9820.6124.0
Apr29° / 24°12322.511.83.8
May29° / 24°12521.711.74.3
Jun28° / 23°12421.511.64.8
Jul27° / 22°11321.311.65.1
Aug27° / 22°5416.711.85.7
Sep28° / 23°3413.7126.0
Oct29° / 23°2310.212.25.9
Nov29° / 24°239.312.35.6
Dec30° / 24°3312.112.45.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 36% of September, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28515
38515
48515
58416
68416
78416
88416
98416
108515
118614
128614
138614
148614
158713
168713
178812
188812
198911
208911
218911
229010
239010
249010
259010
269010
279010
289010
298812
308812

Chance of precipitation in September

Any precipitation

Bayeux gets around 34 mm of rain over 13.7 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 45% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
151
251
351
451
552
652
752
852
952
1051
1151
1251
1350
1449
1548
1647
1746
1845
1944
2043
2141
2240
2339
2438
2537
2636
2735
2834
2934
3034

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
106040
206040
306040
406040
506040
606040
706040
806040
905941
1005941
1115742
1215742
1315643
1415643
1515544
1615544
1715544
1815445
1915445
2015445
2115445
2215346
2315346
2415346
2515346
2615346
2715247
2815247
2915148
3015148

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over September. Sunrise moves from 5:24 AM to 5:07 AM, and sunset from 5:15 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:245:15
211.95:235:15
311.95:235:15
411.95:225:15
511.95:215:15
611.95:215:15
711.95:205:14
811.95:205:14
911.95:195:14
1011.95:195:14
1111.95:185:14
1211.95:185:14
1311.95:175:13
1411.95:165:13
1512.05:165:13
1612.05:155:13
1712.05:155:13
1812.05:145:13
1912.05:135:12
2012.05:135:12
2112.05:125:12
2212.05:125:12
2312.05:115:12
2412.05:115:12
2512.05:105:11
2612.05:105:11
2712.05:095:11
2812.05:085:11
2912.05:085:11
3012.15:075:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.67 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 6.15 kWh/m² in November across the year — September's 5.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Bayeux

In seasonPeak

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

Bayeux's rainy season runs January–July, 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 Bayeux?

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

6.0
Sightseeing
1st-best month of the year
6.5
Beach & pool
4th-best month of the year

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

What to pack for Bayeux in September

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

In September, Bayeux sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Bayeux in September

The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 km away) is warmest in March at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Bayeux in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bayeux peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 11UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Bayeux?

Bayeux sits at 7.1°S, 34.9°W, 12 m above sea level, in Brazil. The nearest listed city is Santa Rita, 5.0 km away.

Topography around Bayeux

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

Within 3 km, the terrain around Bayeux has only modest variations in elevation — a maximum elevation change of 77 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 154 m; within 80 km, large variations in elevation — a maximum elevation change of 669 m.

The land around Bayeux is covered by artificial surfaces (34%) and trees (25%) within 3 km, trees (26%), grassland (24%) and cropland (20%) within 16 km, and grassland (42%) and water (32%) within 80 km.

3 km
77 m
16 km
154 m
80 km
669 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Santa Rita 5.0 km · João Pessoa 8.0 km · Conde 15 km · Cruz do Espírito Santo 17 km · Cabedelo 19 km · Sapé 33 km · Alhandra 35 km · Pedras de Fogo 37 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Bayeux (-7.125°, -34.9322°, elevation 12 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).