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September Weather in Irvona, United States

Last updated: June 24, 2025

In September, the average temperature in Irvona, United States is a pleasant 18°C (64°F). However, temperatures can vary widely, dipping to a cool 1°C (35°F) at night, while daytime highs can reach up to 31°C (88°F). Expect around 126 mm (5.0 in) of precipitation over 11 days, with an average humidity of 67% adding to the overall warmth and atmosphere of the season.

September Temperature in Irvona

In September in Irvona, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 31°C (88°F), while the minimum can drop as low as 1°C (35°F). Be prepared for a wide range of temperatures, so pack accordingly for your travels!

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

The chart illustrates September temperature patterns in Irvona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irvona, September typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec273138485967727164543933
Data source: Temperature data for Irvona 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 Irvona

In Irvona in September, the total precipitation amount is 126 mm (5.0 in) spread over 11 days.

September Precipitation Trends in Irvona

The chart displays monthly precipitation patterns in Irvona, 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 Irvona, September typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec79114961201451141221001261138698
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Irvona

In Irvona in September humidity is 67%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel quite comfortable but slightly sticky, encouraging lightweight clothing and the occasional refreshing break in the shade.

September Average Humidity in Irvona

This chart illustrates the average monthly humidity levels in Irvona, 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 Irvona is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Irvona

In Irvona 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 Irvona.

Maximum UV Index Levels in Irvona for September

The chart shows the monthly maximum UV Index (UVI) for Irvona 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 Irvona typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Irvona 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 Irvona Compares to Other Months

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

This table compares monthly weather conditions in Irvona, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)78 mm (3.1 inches)89%moderate
February Weather0°C (31°F)114 mm (4.5 inches)90%moderate
March Weather3°C (38°F)96 mm (3.8 inches)89%high
April Weather9°C (48°F)120 mm (4.7 inches)88%very high
May Weather15°C (59°F)145 mm (5.7 inches)80%very high
June Weather19°C (67°F)114 mm (4.5 inches)79%very high
July Weather22°C (73°F)122 mm (4.8 inches)74%very high
August Weather21°C (71°F)99 mm (3.9 inches)64%very high
September Weather18°C (64°F)126 mm (5.0 inches)67%very high
October Weather12°C (54°F)113 mm (4.5 inches)81%high
November Weather4°C (39°F)86 mm (3.4 inches)89%moderate
December Weather0°C (33°F)98 mm (3.8 inches)88%moderate

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