nomadseason

September Weather in Yakutat, United States

Last updated: June 24, 2025

In Yakutat, United States, the average temperature in September is a cool 12°C (55°F), with lows dipping to 7°C (45°F) and highs reaching up to 19°C (67°F). Expect significant rainfall, totaling around 316 mm (12.5 in) over approximately 17 days, coupled with a notable humidity level averaging 99%. Prepare for a wet and chilly month!

September Temperature in Yakutat

In September in Yakutat, the average temperature is 12°C (55°F). The maximum can reach 19°C (67°F) and the minimum can be as low as 7°C (45°F). This makes it a pleasant time for outdoor activities, so pack accordingly to enjoy your trip!

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

The chart illustrates September temperature patterns in Yakutat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yakutat, September typically has an average temperature of 12°C (55°F), with highs reaching up to 19°C (67°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec353436414752575854474038
Data source: Temperature data for Yakutat 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 Yakutat

In Yakutat in September, the total precipitation amount reaches 316 mm (12.5 in) over a span of 17 days.

September Precipitation Trends in Yakutat

The chart displays monthly precipitation patterns in Yakutat, 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 Yakutat, September typically receives around 316 mm (12.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec225184177154212160148353316456295393
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Yakutat

In Yakutat in September, humidity is 99%. With an average temperature of 12°C (55°F), this humidity feels like a thick blanket enveloping you, making even short walks feel heavy and oppressive, creating a challenging environment for traveling.

September Average Humidity in Yakutat

This chart illustrates the average monthly humidity levels in Yakutat, 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 Yakutat is approximately 99%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%89%87%91%99%107%108%99%90%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yakutat

In Yakutat in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Yakutat for better planning.

Maximum UV Index Levels in Yakutat for September

The chart shows the monthly maximum UV Index (UVI) for Yakutat 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 Yakutat typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123466764211
Data source: Yakutat 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 Yakutat Compares to Other Months

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

This table compares monthly weather conditions in Yakutat, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)225 mm (8.8 inches)91%low
February Weather1°C (35°F)184 mm (7.3 inches)90%low
March Weather2°C (36°F)177 mm (7.0 inches)89%moderate
April Weather5°C (41°F)154 mm (6.1 inches)87%moderate
May Weather8°C (47°F)212 mm (8.3 inches)91%high
June Weather11°C (53°F)160 mm (6.3 inches)99%high
July Weather14°C (57°F)148 mm (5.8 inches)107%high
August Weather14°C (58°F)353 mm (13.9 inches)108%high
September Weather12°C (55°F)316 mm (12.5 inches)99%moderate
October Weather8°C (47°F)456 mm (17.9 inches)90%low
November Weather4°C (40°F)295 mm (11.6 inches)91%low
December Weather4°C (39°F)393 mm (15.5 inches)90%low

Compare Yakutat's Climate with Cities Worldwide