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September Weather in Pine Grove, United States

Last updated: June 24, 2025

In Pine Grove, United States, the average temperature in September is a pleasant 20°C (69°F). However, temperatures can vary significantly, with a minimum of 5°C (41°F) and a maximum soaring to 35°C (95°F). Expect about 104 mm (4.1 in) of precipitation spread over 8 days, contributing to an average humidity of 73%. Whether you're exploring or relaxing, be prepared for a mix of weather!

September Temperature in Pine Grove

In September in Pine Grove, the average temperature is 20°C (69°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 5°C (41°F). This diverse temperature range makes Pine Grove a versatile destination for travelers, offering both warm days and cooler evenings to enjoy outdoor activities.

September Weather in Pine Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Pine Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pine Grove, September typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec333844546471757369594438
Data source: Temperature data for Pine Grove 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 Pine Grove

In Pine Grove, in September, the precipitation amount is 104 mm (4.1 in) over a span of 8 days.

September Precipitation Trends in Pine Grove

The chart displays monthly precipitation patterns in Pine Grove, 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 Pine Grove, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9213111614514016612610110411186120
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pine Grove

In Pine Grove in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Pine Grove

This chart illustrates the average monthly humidity levels in Pine Grove, 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 Pine Grove 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 Pine Grove

In Pine Grove 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 Pine Grove.

Maximum UV Index Levels in Pine Grove for September

The chart shows the monthly maximum UV Index (UVI) for Pine Grove 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 Pine Grove typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098653
Data source: Pine Grove 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 Pine Grove Compares to Other Months

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

This table compares monthly weather conditions in Pine Grove, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)92 mm (3.6 inches)88%moderate
February Weather3°C (38°F)131 mm (5.2 inches)88%moderate
March Weather7°C (44°F)116 mm (4.6 inches)88%high
April Weather12°C (54°F)145 mm (5.7 inches)86%very high
May Weather18°C (64°F)140 mm (5.5 inches)82%very high
June Weather21°C (71°F)166 mm (6.5 inches)84%very high
July Weather24°C (75°F)125 mm (4.9 inches)82%very high
August Weather23°C (73°F)101 mm (4.0 inches)73%very high
September Weather20°C (69°F)104 mm (4.1 inches)73%very high
October Weather15°C (59°F)111 mm (4.4 inches)81%high
November Weather7°C (44°F)86 mm (3.4 inches)89%moderate
December Weather3°C (39°F)120 mm (4.7 inches)86%moderate

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