nomadseason

September Weather in Saint Robert, United States

Last updated: June 24, 2025

In September, the average temperature in Saint Robert, United States hovers around 22°C (73°F), creating a pleasant climate for outdoor activities. Expect temperatures to range from a cool 7°C (46°F) to a warm 35°C (95°F). Precipitation is moderate, with about 49 mm (1.9 in) expected over 7 days, and the average humidity sits at a comfortable 68%, ensuring a refreshing atmosphere.

September Temperature in Saint Robert

In September in Saint Robert, the average temperature is 22°C (73°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 7°C (46°F). This makes Saint Robert an ideal destination for travelers looking to enjoy a warm climate while still having the option for cooler evenings.

September Weather in Saint Robert: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saint Robert, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Robert, September typically has an average temperature of 22°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748556675797672594641
Data source: Temperature data for Saint Robert generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Saint Robert

In Saint Robert in September, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

September Precipitation Trends in Saint Robert

The chart displays monthly precipitation patterns in Saint Robert, 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 Saint Robert, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec8086129151165919790491296555
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Saint Robert

In Saint Robert in September humidity is 68%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so staying hydrated is essential while exploring the sights.

September Average Humidity in Saint Robert

This chart illustrates the average monthly humidity levels in Saint Robert, 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 Saint Robert is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saint Robert

In Saint Robert in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Saint Robert.

Maximum UV Index Levels in Saint Robert for September

The chart shows the monthly maximum UV Index (UVI) for Saint Robert 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 Saint Robert typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Saint Robert 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 Saint Robert Compares to Other Months

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

This table compares monthly weather conditions in Saint Robert, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)80 mm (3.1 inches)83%moderate
February Weather3°C (37°F)86 mm (3.4 inches)81%high
March Weather9°C (48°F)129 mm (5.1 inches)80%high
April Weather13°C (55°F)151 mm (6.0 inches)80%very high
May Weather19°C (66°F)165 mm (6.5 inches)83%very high
June Weather24°C (75°F)91 mm (3.6 inches)83%extreme
July Weather26°C (79°F)96 mm (3.8 inches)76%extreme
August Weather24°C (76°F)90 mm (3.5 inches)69%very high
September Weather22°C (73°F)49 mm (1.9 inches)68%very high
October Weather15°C (59°F)128 mm (5.1 inches)72%high
November Weather8°C (46°F)65 mm (2.5 inches)83%moderate
December Weather5°C (41°F)55 mm (2.2 inches)86%moderate

Compare Saint Robert's Climate with Cities Worldwide