nomadseason

September Weather in Umatac Village, Guam

Last updated: August 23, 2025

In September, the average temperature in Umatac Village, Guam hovers around 28°C (82°F), offering a pleasant climate for outdoor activities. Expect minimum temperatures of 25°C (78°F) and maximums reaching 30°C (86°F). However, be prepared for some rain, as precipitation averages 369 mm (14.5 in) over 28 days, contributing to a humidity level of 81%.

September Temperature in Umatac Village

In September in Umatac Village, the average temperature is 28°C (82°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 25°C (78°F). This pleasant weather makes it an ideal time for outdoor activities and exploring all that Umatac Village has to offer.

September Weather in Umatac Village: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Umatac Village, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Umatac Village, September typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec818080818282828282828282
Data source: Temperature data for Umatac Village generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Umatac Village

In Umatac Village in September, the total precipitation amount reaches 369 mm (14.5 in) over the course of 28 days.

September Precipitation Trends in Umatac Village

The chart displays monthly precipitation patterns in Umatac Village, 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 Umatac Village, September typically receives around 369 mm (14.5 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec6380609482160275388369358207115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Umatac Village

In Umatac Village in September, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

September Average Humidity in Umatac Village

This chart illustrates the average monthly humidity levels in Umatac Village, 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 Umatac Village is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%84%84%83%80%80%80%81%80%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Umatac Village

In Umatac Village in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Umatac Village.

Maximum UV Index Levels in Umatac Village for September

The chart shows the monthly maximum UV Index (UVI) for Umatac Village 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 Umatac Village typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151314141415141211
Data source: Umatac Village 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 Umatac Village Compares to Other Months

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

This table compares monthly weather conditions in Umatac Village, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)63 mm (2.5 inches)83%extreme
February Weather27°C (80°F)80 mm (3.1 inches)82%extreme
March Weather27°C (81°F)60 mm (2.4 inches)84%extreme
April Weather27°C (81°F)94 mm (3.7 inches)84%extreme
May Weather28°C (82°F)82 mm (3.2 inches)83%extreme
June Weather28°C (82°F)160 mm (6.3 inches)80%extreme
July Weather28°C (82°F)275 mm (10.8 inches)80%extreme
August Weather28°C (82°F)388 mm (15.3 inches)80%extreme
September Weather28°C (82°F)369 mm (14.5 inches)81%extreme
October Weather28°C (82°F)358 mm (14.1 inches)80%extreme
November Weather28°C (82°F)207 mm (8.1 inches)81%extreme
December Weather28°C (82°F)115 mm (4.5 inches)84%extreme

Compare Umatac Village's Climate with Cities Worldwide