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September Weather in Altamira, Venezuela

Last updated: August 28, 2025

In September, the average temperature in Altamira, Venezuela is a comfortable 20°C (68°F), with a minimum dipping to 13°C (56°F) and a maximum peaking at 27°C (81°F). Expect an average precipitation of 125 mm (4.9 in) over 21 days, paired with a humidity level of 76%—perfect for enjoying the lush scenery while staying prepared for occasional rain!

September Temperature in Altamira

In September in Altamira, the average temperature is 20°C (68°F). The maximum can reach 27°C (81°F) and the minimum can be as low as 13°C (56°F). This mild weather makes it an ideal time for outdoor activities and sightseeing.

September Weather in Altamira: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Altamira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altamira, September typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (81°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec656667676766666768676766
Data source: Temperature data for Altamira generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Altamira

In Altamira in September, the precipitation amount is 125 mm (4.9 in), occurring over a span of 21 days.

September Precipitation Trends in Altamira

The chart displays monthly precipitation patterns in Altamira, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Altamira, September typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec9512622323326927530418612517314694
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Altamira

In Altamira in September, humidity is 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.

September Average Humidity in Altamira

This chart illustrates the average monthly humidity levels in Altamira, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Altamira is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%47%45%43%52%80%87%80%76%70%67%55%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Altamira

In Altamira in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Altamira, you can check here.

Maximum UV Index Levels in Altamira for September

The chart shows the monthly maximum UV Index (UVI) for Altamira in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Altamira typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415161514141414131211
Data source: Altamira September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Altamira Compares to Other Months

Weather in Altamira varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Altamira, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Altamira, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)95 mm (3.7 inches)50%extreme
February Weather19°C (66°F)126 mm (5.0 inches)47%extreme
March Weather20°C (67°F)223 mm (8.8 inches)45%extreme
April Weather20°C (68°F)233 mm (9.2 inches)43%extreme
May Weather20°C (67°F)269 mm (10.6 inches)52%extreme
June Weather19°C (67°F)275 mm (10.8 inches)80%extreme
July Weather19°C (66°F)304 mm (12.0 inches)87%extreme
August Weather19°C (67°F)186 mm (7.3 inches)80%extreme
September Weather20°C (68°F)125 mm (4.9 inches)76%extreme
October Weather20°C (68°F)173 mm (6.8 inches)70%extreme
November Weather19°C (67°F)146 mm (5.8 inches)67%extreme
December Weather19°C (66°F)94 mm (3.7 inches)55%extreme

Compare Altamira's Climate with Cities Worldwide