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September Weather in Valencia, United States

Last updated: June 24, 2025

In Valencia, United States, the average temperature in September is a pleasant 23°C (74°F). However, temperatures can vary greatly, with a minimum of 9°C (48°F) and a possible maximum of 43°C (110°F). With only 4 mm (0.2 in) of precipitation expected across 1 day, you can generally expect a fairly dry climate, complemented by an average humidity of 48%.

September Temperature in Valencia

In September in Valencia, the average temperature is 23°C (74°F). Maximum temperatures can reach 43°C (110°F), while minimums can dip as low as 9°C (48°F). Be prepared for a wide range of weather conditions if you're planning to travel during this time!

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

The chart illustrates September temperature patterns in Valencia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valencia, September typically has an average temperature of 23°C (74°F), with highs reaching up to 43°C (110°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec515254616472787874665850
Data source: Temperature data for Valencia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Valencia

In Valencia in September, the precipitation amount is 4 mm (0.2 in) during 1 day.

September Precipitation Trends in Valencia

The chart displays monthly precipitation patterns in Valencia, 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 Valencia, September typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec6355712216322491968
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Valencia

In Valencia in September humidity is 48%. With an average temperature of 23°C (74°F), this humidity feels like a refreshing but slightly muggy embrace, making traveling enjoyable with a light breeze, yet prompting travelers to stay hydrated and take occasional breaks from the sun.

September Average Humidity in Valencia

This chart illustrates the average monthly humidity levels in Valencia, 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 Valencia is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Valencia

In Valencia in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Valencia.

Maximum UV Index Levels in Valencia for September

The chart shows the monthly maximum UV Index (UVI) for Valencia 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 Valencia typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Valencia 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 Valencia Compares to Other Months

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

This table compares monthly weather conditions in Valencia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)63 mm (2.5 inches)78%moderate
February Weather11°C (52°F)55 mm (2.2 inches)82%high
March Weather12°C (55°F)71 mm (2.8 inches)75%very high
April Weather16°C (62°F)22 mm (0.9 inches)68%very high
May Weather18°C (65°F)16 mm (0.6 inches)57%extreme
June Weather22°C (72°F)3 mm (0.1 inches)52%extreme
July Weather25°C (78°F)1 mm (0.1 inches)46%extreme
August Weather26°C (78°F)2 mm (0.1 inches)39%extreme
September Weather23°C (74°F)4 mm (0.2 inches)48%very high
October Weather19°C (66°F)9 mm (0.3 inches)59%high
November Weather15°C (59°F)19 mm (0.7 inches)72%moderate
December Weather10°C (51°F)68 mm (2.7 inches)76%moderate

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