September Weather in Kalama, United States

Last updated: June 24, 2025

In September, the average temperature in Kalama, United States is a pleasant 16°C (61°F). However, be prepared for a range as the minimum can dip to 5°C (41°F), while the maximum can soar up to 35°C (94°F). Expect about 115 mm (4.5 in) of precipitation over 10 days, contributing to an average humidity level of 71%.

September Temperature in Kalama

In September in Kalama, the average temperature is 16°C (61°F), with maximums reaching up to 35°C (94°F) and minimums dropping as low as 5°C (41°F). This range makes it an ideal time for travelers to experience a diverse climate, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Kalama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalama, September typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (94°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Kalama

In Kalama in September, the precipitation amount is 115 mm (4.5 in) over a span of 10 days.

September Precipitation Trends in Kalama

The chart displays monthly precipitation patterns in Kalama, 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 Kalama, September typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 10 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 Kalama

In Kalama in September humidity is 71%. With an average temperature of 16°C (61°F), this humidity feels like walking through a warm, damp blanket, making travel slightly uncomfortable but still enjoyable for those who appreciate mild weather.

September Average Humidity in Kalama

This chart illustrates the average monthly humidity levels in Kalama, 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 Kalama is approximately 71%, 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 Kalama

In Kalama in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Kalama.

Maximum UV Index Levels in Kalama for September

The chart shows the monthly maximum UV Index (UVI) for Kalama 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 Kalama typically reaches 7, which falls under the high exposure category.

Data source: Kalama 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 Kalama Compares to Other Months

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

This table compares monthly weather conditions in Kalama, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (40°F)	246 mm (9.7 inches)	85%	low
February Weather	4°C (39°F)	241 mm (9.5 inches)	84%	moderate
March Weather	7°C (44°F)	191 mm (7.5 inches)	85%	moderate
April Weather	10°C (49°F)	164 mm (6.5 inches)	83%	high
May Weather	13°C (56°F)	87 mm (3.4 inches)	83%	very high
June Weather	16°C (61°F)	77 mm (3.0 inches)	83%	very high
July Weather	19°C (66°F)	12 mm (0.5 inches)	82%	very high
August Weather	19°C (67°F)	13 mm (0.5 inches)	74%	very high
September Weather	16°C (61°F)	115 mm (4.5 inches)	71%	high
October Weather	10°C (51°F)	190 mm (7.5 inches)	81%	moderate
November Weather	7°C (45°F)	253 mm (10.0 inches)	87%	moderate
December Weather	4°C (40°F)	262 mm (10.3 inches)	87%	low