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September Weather in Philipsburg, United States

Last updated: June 24, 2025

In Philipsburg, United States, the average temperature in September hovers around 10°C (50°F), though it can swing dramatically from a chilly -11°C (13°F) to a warm 29°C (85°F). During this month, expect 52 mm (2.1 in) of precipitation spread over 9 days. With an average humidity of 67%, the air can feel quite moist, making it essential to be prepared for varying weather conditions.

September Temperature in Philipsburg

In September in Philipsburg, the average temperature is 10°C (50°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as -11°C (13°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Philipsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Philipsburg, September typically has an average temperature of 10°C (50°F), with highs reaching up to 29°C (85°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec211828324152615950352720
Data source: Temperature data for Philipsburg 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 Philipsburg

In Philipsburg in September, the total precipitation amount is 52 mm (2.1 in) over the course of 9 days.

September Precipitation Trends in Philipsburg

The chart displays monthly precipitation patterns in Philipsburg, 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 Philipsburg, September typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec421017088103132415152706056
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Philipsburg

In Philipsburg in September humidity is 67%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill, making it essential for travelers to layer their clothing and prepare for a rather brisk experience while exploring the surroundings.

September Average Humidity in Philipsburg

This chart illustrates the average monthly humidity levels in Philipsburg, 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 Philipsburg is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Philipsburg

In Philipsburg 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 Philipsburg.

Maximum UV Index Levels in Philipsburg for September

The chart shows the monthly maximum UV Index (UVI) for Philipsburg 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 Philipsburg typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810111098532
Data source: Philipsburg 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 Philipsburg Compares to Other Months

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

This table compares monthly weather conditions in Philipsburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)42 mm (1.7 inches)93%moderate
February Weather-8°C (19°F)100 mm (4.0 inches)92%moderate
March Weather-2°C (28°F)70 mm (2.8 inches)89%high
April Weather0°C (32°F)88 mm (3.5 inches)85%very high
May Weather5°C (41°F)103 mm (4.0 inches)80%very high
June Weather11°C (53°F)132 mm (5.2 inches)78%extreme
July Weather16°C (61°F)41 mm (1.6 inches)77%very high
August Weather15°C (60°F)51 mm (2.0 inches)66%very high
September Weather10°C (50°F)52 mm (2.1 inches)67%very high
October Weather2°C (35°F)70 mm (2.7 inches)77%moderate
November Weather-3°C (27°F)60 mm (2.4 inches)89%moderate
December Weather-7°C (20°F)56 mm (2.2 inches)95%low

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