Monthly climate guide

Londrina weather in September

September in Londrina is typically hot, with average daytime highs around 29°C (84°F) and night-time lows near 15°C (58°F). The month usually brings about 87 mm of rain (some rain) and is a mix of sun and cloud. Daytime highs are 4°C warmer than August and about the same as October.

What stands out in September

Expect a big gap between day and night — about 14°C.
Londrina is usually about 3°C cooler than Bauru, 240 km away, in September.

Avg high

29°C

84°F

Avg low

15°C

58°F

Rainfall

87 mm

some rain

Humidity

67%

relative

Sky

40%

cloud · a mix of sun and cloud

Live Londrina forecast Where else to go in September

or share

Londrina weather by month

Low → high °C Rain (mm)

Show the monthly averages as a table

Average monthly climate in Londrina
Month	Avg high	Avg low	Rain	Humidity	Cloud cover
January	28°C / 83°F	20°C / 67°F	203 mm	82%	65%
February	29°C / 83°F	20°C / 68°F	177 mm	80%	64%
March	28°C / 82°F	18°C / 65°F	136 mm	81%	55%
April	27°C / 81°F	16°C / 61°F	87 mm	78%	42%
May	24°C / 76°F	14°C / 56°F	116 mm	79%	48%
June	23°C / 73°F	12°C / 54°F	117 mm	83%	49%
July	23°C / 73°F	11°C / 52°F	70 mm	78%	38%
August	25°C / 77°F	12°C / 54°F	73 mm	73%	35%
September	29°C / 84°F	15°C / 58°F	87 mm	67%	40%
October	29°C / 85°F	17°C / 63°F	164 mm	72%	58%
November	29°C / 85°F	18°C / 64°F	141 mm	73%	59%
December	30°C / 85°F	20°C / 67°F	183 mm	76%	69%

What to pack for September

Light, breathable clothing (cotton or linen)
A sun hat and high-SPF sunscreen
A refillable water bottle
An extra layer — evenings are noticeably cooler than afternoons
A compact umbrella or packable rain jacket
Water-resistant shoes

Full season-by-season packing guide →

Is September a good time to visit Londrina?

Compare the months in the chart above to find your ideal window.

Best time to visit Londrina →

Other Brazil cities in September

Bauru

32° / 15°C · 54 mm

Curitiba

24° / 12°C · 90 mm

São José do Rio Preto

34° / 19°C · 50 mm

Piracicaba

32° / 16°C · 49 mm

Sorocaba

29° / 14°C · 55 mm

Joinville

23° / 16°C · 112 mm

Cite or embed this data

Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.

Citation

Londrina weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/londrina/september

HTML link

<a href="https://weathercompare.eu/weather/brazil/londrina/september">Londrina weather in September</a> (WeatherCompare)

Embed widget

<iframe src="https://weathercompare.eu/embed/brazil/londrina" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Londrina weather in September"></iframe>
<p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/londrina/september">Londrina weather in September</a> – WeatherCompare</p>

Londrina in September: quick answers

Is September a good time to visit Londrina?

September is a reasonable time for Londrina: highs around 29°C and about 87 mm of rain, though not one of the three best months.

How warm is Londrina in September?

Average highs are about 29°C (84°F) and average lows about 15°C (58°F), based on 10 years of daily data.

Does it rain a lot in Londrina in September?

Londrina typically gets around 87 mm of rain in September — some rain.

Figures are long-term averages for the area around Londrina (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.