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September Weather in West Orange, United States

Last updated: June 24, 2025

The average temperature in West Orange, United States during September is a warm 27°C (81°F), with minimums dropping to 17°C (62°F) and maximums soaring to 34°C (93°F). Visitors should be prepared for 186 mm (7.3 in) of precipitation over approximately 17 days, contributing to an average humidity level of 75%.

September Temperature in West Orange

In September in West Orange, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (93°F), while minimums can dip to as low as 17°C (62°F). This vibrant climate makes it an ideal destination for outdoor adventures and sightseeing throughout the month.

September Weather in West Orange: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in West Orange, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Orange, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec545865697782838380736257
Data source: Temperature data for West Orange 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 West Orange

In West Orange in September, the precipitation amount is 186 mm (7.3 in), occurring over the course of 17 days.

September Precipitation Trends in West Orange

The chart displays monthly precipitation patterns in West Orange, 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 West Orange, September typically receives around 186 mm (7.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec100957213219316114321618613169128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in West Orange

In West Orange in September, humidity is 75%. With an average temperature of 27°C (81°F), this humidity feels like a blanket of warmth enveloping you, making outdoor activities sticky and potentially uncomfortable for traveling.

September Average Humidity in West Orange

This chart illustrates the average monthly humidity levels in West Orange, 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 West Orange is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%78%81%79%75%74%73%75%75%79%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in West Orange

In West Orange 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 West Orange.

Maximum UV Index Levels in West Orange for September

The chart shows the monthly maximum UV Index (UVI) for West Orange 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 West Orange typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101112121110975
Data source: West Orange 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 West Orange Compares to Other Months

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

This table compares monthly weather conditions in West Orange, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)100 mm (3.9 inches)79%moderate
February Weather14°C (58°F)95 mm (3.7 inches)80%very high
March Weather19°C (66°F)72 mm (2.8 inches)78%very high
April Weather21°C (70°F)132 mm (5.2 inches)81%very high
May Weather25°C (77°F)193 mm (7.6 inches)79%extreme
June Weather28°C (82°F)161 mm (6.3 inches)75%extreme
July Weather28°C (83°F)143 mm (5.6 inches)74%extreme
August Weather29°C (84°F)216 mm (8.5 inches)73%extreme
September Weather27°C (81°F)186 mm (7.3 inches)75%very high
October Weather23°C (73°F)131 mm (5.1 inches)75%very high
November Weather16°C (62°F)69 mm (2.7 inches)79%high
December Weather14°C (58°F)128 mm (5.0 inches)83%moderate

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