September Weather in Kolonia, Micronesia

Last updated: August 28, 2025

In September, the average temperature in Kolonia, Micronesia is a warm 27°C (82°F). Expect temperatures to range from a comfortable 25°C (78°F) at the minimum to a pleasant 29°C (85°F) at the maximum. During this time, precipitation may be frequent, with an average of 260 mm (10.2 in) falling over 25 days. Be prepared for a humidity level of 77%, adding to the tropical feel of the season!

September Temperature in Kolonia

In September, in Kolonia, the average temperature is 27°C (82°F), with maximums reaching 29°C (85°F) and minimums dropping to as low as 25°C (78°F). This warm climate makes Kolonia a perfect destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Kolonia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kolonia, September typically has an average temperature of 27°C (82°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (78°F).

Data source: Temperature data for Kolonia generated using information from the Copernicus Climate Change Service.

September Precipitation in Kolonia

In Kolonia in September, the total precipitation amount is 260 mm (10.2 in) spread over a period of 25 days.

September Precipitation Trends in Kolonia

The chart displays monthly precipitation patterns in Kolonia, 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 Kolonia, September typically receives around 260 mm (10.2 inches) of precipitation spread over approximately 25 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Kolonia

In Kolonia in September, humidity is 77%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket wrapping around you, making travel feel heavy and slightly stifling, requiring frequent breaks and hydration to enjoy the sights comfortably.

September Average Humidity in Kolonia

This chart illustrates the average monthly humidity levels in Kolonia, 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 Kolonia is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kolonia

In Kolonia 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 Kolonia, you can check here.

Maximum UV Index Levels in Kolonia for September

The chart shows the monthly maximum UV Index (UVI) for Kolonia 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 Kolonia typically reaches 14, which falls under the extreme exposure category.

Data source: Kolonia 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 Kolonia Compares to Other Months

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

This table compares monthly weather conditions in Kolonia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	225 mm (8.8 inches)	81%	extreme
February Weather	27°C (81°F)	155 mm (6.1 inches)	81%	extreme
March Weather	27°C (81°F)	327 mm (12.9 inches)	81%	extreme
April Weather	27°C (81°F)	247 mm (9.7 inches)	80%	extreme
May Weather	27°C (81°F)	386 mm (15.2 inches)	78%	extreme
June Weather	27°C (81°F)	305 mm (12.0 inches)	77%	extreme
July Weather	27°C (81°F)	296 mm (11.6 inches)	76%	extreme
August Weather	27°C (81°F)	259 mm (10.2 inches)	75%	extreme
September Weather	27°C (82°F)	260 mm (10.2 inches)	77%	extreme
October Weather	27°C (82°F)	305 mm (12.0 inches)	76%	extreme
November Weather	27°C (82°F)	302 mm (11.9 inches)	77%	extreme
December Weather	27°C (81°F)	393 mm (15.5 inches)	80%	extreme