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September Weather in Oil City, United States

Last updated: June 24, 2025

In September, the average temperature in Oil City, United States is a warm 26°C (79°F). You can expect temperatures to range from a cool 12°C (53°F) at night to a sizzling 38°C (101°F) during the day. With an average humidity of 63%, you might want to stay hydrated. Be prepared for some rain, as 89 mm (3.5 in) of precipitation is likely over 9 days.

September Temperature in Oil City

In September in Oil City, the average temperature is 26°C (79°F). The maximum can reach 38°C (101°F) and the minimum can be as low as 12°C (53°F). This makes Oil City an ideal destination for travelers seeking warm weather, but it's wise to pack for both the heat and cooler evenings.

September Weather in Oil City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Oil City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oil City, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec485160657481848379685652
Data source: Temperature data for Oil City 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 Oil City

In Oil City in September, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

September Precipitation Trends in Oil City

The chart displays monthly precipitation patterns in Oil City, 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 Oil City, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091511271721499688848910462127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oil City

In Oil City in September humidity is 63%. With average temperature 26°C (79°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls or exploring local attractions, though be prepared for a slight stickiness that may prompt you to seek shade or refreshing beverages along the way.

September Average Humidity in Oil City

This chart illustrates the average monthly humidity levels in Oil City, 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 Oil City is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oil City

In Oil City 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 Oil City.

Maximum UV Index Levels in Oil City for September

The chart shows the monthly maximum UV Index (UVI) for Oil City 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 Oil City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111112111110864
Data source: Oil City 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 Oil City Compares to Other Months

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

This table compares monthly weather conditions in Oil City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)109 mm (4.3 inches)82%moderate
February Weather10°C (51°F)151 mm (6.0 inches)80%high
March Weather16°C (61°F)127 mm (5.0 inches)78%very high
April Weather18°C (65°F)172 mm (6.8 inches)79%extreme
May Weather23°C (74°F)149 mm (5.9 inches)81%extreme
June Weather27°C (81°F)96 mm (3.8 inches)77%extreme
July Weather29°C (84°F)88 mm (3.5 inches)72%extreme
August Weather28°C (83°F)84 mm (3.3 inches)65%extreme
September Weather26°C (79°F)89 mm (3.5 inches)63%very high
October Weather20°C (68°F)104 mm (4.1 inches)70%very high
November Weather13°C (56°F)62 mm (2.5 inches)82%high
December Weather11°C (52°F)126 mm (5.0 inches)88%moderate

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