September Weather in Kalifornsky, United States

Last updated: June 24, 2025

In September, the average temperature in Kalifornsky, United States hovers around 11°C (53°F), with daily extremes ranging from a chilly 1°C (35°F) to a pleasant 19°C (66°F). Expect 118 mm (4.6 in) of precipitation spread over 16 days, contributing to a notably high average humidity of 97%. Be prepared for moist weather as you explore this captivating destination!

September Temperature in Kalifornsky

In September in Kalifornsky, the average temperature is 11°C (53°F), with maximums reaching 19°C (66°F) and minimums dropping as low as 1°C (35°F). Travelers should prepare for a mild climate, with the possibility of cool evenings.

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

The chart illustrates September temperature patterns in Kalifornsky, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalifornsky, September typically has an average temperature of 11°C (53°F), with highs reaching up to 19°C (66°F) and lows dropping to around 1°C (35°F).

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

September Precipitation in Kalifornsky

In Kalifornsky in September, the precipitation amount is 118 mm (4.6 in) over the course of 16 days.

September Precipitation Trends in Kalifornsky

The chart displays monthly precipitation patterns in Kalifornsky, 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 Kalifornsky, September typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 16 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 Kalifornsky

In Kalifornsky in September, humidity is 97%. With an average temperature of 11°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable as the air feels heavy and your clothes cling uncomfortably to your skin.

September Average Humidity in Kalifornsky

This chart illustrates the average monthly humidity levels in Kalifornsky, 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 Kalifornsky is approximately 97%, 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 Kalifornsky

In Kalifornsky 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 Kalifornsky for better planning.

Maximum UV Index Levels in Kalifornsky for September

The chart shows the monthly maximum UV Index (UVI) for Kalifornsky 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 Kalifornsky typically reaches 4, which falls under the moderate exposure category.

Data source: Kalifornsky 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 Kalifornsky Compares to Other Months

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

This table compares monthly weather conditions in Kalifornsky, 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 (24°F)	50 mm (2.0 inches)	95%	low
February Weather	-3°C (26°F)	54 mm (2.1 inches)	95%	low
March Weather	-2°C (29°F)	37 mm (1.5 inches)	90%	moderate
April Weather	3°C (39°F)	37 mm (1.4 inches)	82%	moderate
May Weather	9°C (48°F)	65 mm (2.5 inches)	85%	high
June Weather	12°C (54°F)	43 mm (1.7 inches)	95%	high
July Weather	15°C (59°F)	67 mm (2.7 inches)	100%	high
August Weather	15°C (58°F)	82 mm (3.2 inches)	99%	high
September Weather	11°C (53°F)	118 mm (4.6 inches)	97%	moderate
October Weather	6°C (44°F)	132 mm (5.2 inches)	93%	low
November Weather	0°C (31°F)	94 mm (3.7 inches)	97%	low
December Weather	-2°C (29°F)	106 mm (4.2 inches)	98%	low