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September Weather in Boltana, Spain

Last updated: August 27, 2025

In Boltana, Spain, the average temperature in September is a comfortable 14°C (58°F). Visitors can expect temperatures to range from a cool 1°C (35°F) to a warm 27°C (80°F). With 61 mm (2.4 in) of precipitation spread across 9 days, be prepared for some rain. Humidity levels are relatively high at 73%, adding to the area's unique climate.

September Temperature in Boltana

In September in Boltana, the average temperature is 14°C (58°F). Maximums can reach 27°C (80°F), while minimums can drop to as low as 1°C (35°F). This varied climate makes Boltana an ideal destination for travelers seeking both mild warmth and cooler evenings.

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

The chart illustrates September temperature patterns in Boltana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boltana, September typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (80°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333739455260656658503934
Data source: Temperature data for Boltana 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 Boltana

In Boltana in September, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

September Precipitation Trends in Boltana

The chart displays monthly precipitation patterns in Boltana, 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 Boltana, September typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec646211212211811345716110097115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Boltana

In Boltana in September, humidity is 73%. With an average temperature of 14°C (58°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit uncomfortable for traveling unless you stay hydrated and take frequent breaks in the shade.

September Average Humidity in Boltana

This chart illustrates the average monthly humidity levels in Boltana, 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 Boltana is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Boltana

In Boltana in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Boltana.

Maximum UV Index Levels in Boltana for September

The chart shows the monthly maximum UV Index (UVI) for Boltana 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 Boltana typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689111198632
Data source: Boltana 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 Boltana Compares to Other Months

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

This table compares monthly weather conditions in Boltana, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)64 mm (2.5 inches)87%moderate
February Weather3°C (37°F)62 mm (2.5 inches)83%moderate
March Weather4°C (39°F)112 mm (4.4 inches)80%high
April Weather7°C (45°F)122 mm (4.8 inches)77%very high
May Weather11°C (53°F)118 mm (4.7 inches)75%very high
June Weather15°C (60°F)113 mm (4.4 inches)74%extreme
July Weather19°C (66°F)45 mm (1.8 inches)72%extreme
August Weather19°C (66°F)71 mm (2.8 inches)70%very high
September Weather14°C (58°F)61 mm (2.4 inches)73%very high
October Weather10°C (50°F)100 mm (3.9 inches)82%high
November Weather4°C (39°F)97 mm (3.8 inches)87%moderate
December Weather1°C (35°F)115 mm (4.5 inches)88%low

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