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September Weather in Fananu, Micronesia

Last updated: August 28, 2025

In Fananu, Micronesia, the average temperature in September hovers around 28°C (82°F), with a minimum of 25°C (78°F) and a maximum reaching 29°C (85°F). Visitors can expect some rain, with an average precipitation of 269 mm (10.6 in) spread over 25 days. The air is quite humid, with an average humidity level of 79%, making it a warm and tropical destination.

September Temperature in Fananu

In September in Fananu, the average temperature is 28°C (82°F), with maximums reaching 29°C (85°F) and minimums dropping to as low as 25°C (78°F). This mild climate makes it an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates September temperature patterns in Fananu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fananu, September typically has an average temperature of 28°C (82°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818281818182828282
Data source: Temperature data for Fananu 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 Fananu

In Fananu in September, the precipitation amount is 269 mm (10.6 in) over the course of 25 days.

September Precipitation Trends in Fananu

The chart displays monthly precipitation patterns in Fananu, 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 Fananu, September typically receives around 269 mm (10.6 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec176124183141249270286265269282272277
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fananu

In Fananu in September humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

September Average Humidity in Fananu

This chart illustrates the average monthly humidity levels in Fananu, 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 Fananu is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%83%82%80%79%77%77%79%78%78%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fananu

In Fananu 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 Fananu, you can check here.

Maximum UV Index Levels in Fananu for September

The chart shows the monthly maximum UV Index (UVI) for Fananu 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 Fananu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416161414131414141211
Data source: Fananu 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 Fananu Compares to Other Months

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

This table compares monthly weather conditions in Fananu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)176 mm (6.9 inches)82%extreme
February Weather27°C (82°F)124 mm (4.9 inches)82%extreme
March Weather27°C (81°F)183 mm (7.2 inches)83%extreme
April Weather27°C (82°F)141 mm (5.6 inches)82%extreme
May Weather28°C (82°F)248 mm (9.8 inches)80%extreme
June Weather27°C (82°F)270 mm (10.6 inches)78%extreme
July Weather27°C (82°F)286 mm (11.3 inches)77%extreme
August Weather27°C (82°F)265 mm (10.4 inches)77%extreme
September Weather28°C (82°F)269 mm (10.6 inches)79%extreme
October Weather28°C (82°F)282 mm (11.1 inches)78%extreme
November Weather28°C (82°F)272 mm (10.7 inches)78%extreme
December Weather28°C (82°F)277 mm (10.9 inches)81%extreme

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