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September Weather in Junior, United States

Last updated: June 24, 2025

In September, the average temperature in Junior, United States hovers around 19°C (66°F), with a pleasant range that sees a minimum of 3°C (38°F) and a peak of 31°C (88°F). Expect 110 mm (4.3 in) of precipitation spread over roughly 10 days, contributing to an average humidity level of 73%.

September Temperature in Junior

In September in Junior, the average temperature is 19°C (66°F). Maximum temperatures can reach 31°C (88°F), while minimum temperatures can be as low as 3°C (38°F). Be prepared for a mix of warm days and cool nights when traveling during this time.

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

The chart illustrates September temperature patterns in Junior, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Junior, September typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec323843526268727066574237
Data source: Temperature data for Junior 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 Junior

In Junior in September, the precipitation amount is 110 mm (4.3 in) over a period of 10 days.

September Precipitation Trends in Junior

The chart displays monthly precipitation patterns in Junior, 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 Junior, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10916412816517314511212211013094138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Junior

In Junior in September humidity is 73%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you find yourself seeking shade and refreshing drinks while exploring.

September Average Humidity in Junior

This chart illustrates the average monthly humidity levels in Junior, 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 Junior is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Junior

In Junior 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 Junior.

Maximum UV Index Levels in Junior for September

The chart shows the monthly maximum UV Index (UVI) for Junior 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 Junior typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Junior 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 Junior Compares to Other Months

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

This table compares monthly weather conditions in Junior, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)109 mm (4.3 inches)88%moderate
February Weather3°C (38°F)164 mm (6.4 inches)88%moderate
March Weather6°C (43°F)128 mm (5.1 inches)88%high
April Weather11°C (52°F)165 mm (6.5 inches)86%very high
May Weather16°C (62°F)173 mm (6.8 inches)82%very high
June Weather20°C (68°F)145 mm (5.7 inches)84%very high
July Weather22°C (72°F)112 mm (4.4 inches)82%very high
August Weather21°C (70°F)122 mm (4.8 inches)73%very high
September Weather19°C (66°F)110 mm (4.3 inches)73%very high
October Weather14°C (57°F)130 mm (5.1 inches)81%high
November Weather6°C (43°F)94 mm (3.7 inches)89%moderate
December Weather3°C (38°F)138 mm (5.4 inches)86%moderate

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