nomadseason

September Weather in Bloomingdale, United States

Last updated: June 24, 2025

In September, the average temperature in Bloomingdale, United States is a warm 27°C (81°F). You can expect the minimum temperature to dip to a mild 19°C (67°F), while the maximum can reach a sizzling 35°C (94°F). Throughout the month, precipitation adds up to 175 mm (6.9 in) over 20 days, resulting in an average humidity of 83%, making it feel quite humid.

September Temperature in Bloomingdale

In September in Bloomingdale, the average temperature is 27°C (81°F), with maximums reaching 35°C (94°F) and minimums dropping to as low as 19°C (67°F). This warm climate makes Bloomingdale an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Bloomingdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bloomingdale, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (94°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec616769747881828281786964
Data source: Temperature data for Bloomingdale 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 Bloomingdale

In Bloomingdale in September, the precipitation amount is 175 mm (6.9 in) over a span of 20 days.

September Precipitation Trends in Bloomingdale

The chart displays monthly precipitation patterns in Bloomingdale, 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 Bloomingdale, September typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec41641865124206243223175674562
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bloomingdale

In Bloomingdale in September humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

September Average Humidity in Bloomingdale

This chart illustrates the average monthly humidity levels in Bloomingdale, 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 Bloomingdale is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%68%65%73%77%80%83%83%83%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bloomingdale

In Bloomingdale in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Bloomingdale.

Maximum UV Index Levels in Bloomingdale for September

The chart shows the monthly maximum UV Index (UVI) for Bloomingdale 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 Bloomingdale typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121111975
Data source: Bloomingdale 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 Bloomingdale Compares to Other Months

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

This table compares monthly weather conditions in Bloomingdale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (62°F)41 mm (1.6 inches)83%high
February Weather20°C (67°F)64 mm (2.5 inches)80%very high
March Weather20°C (69°F)18 mm (0.7 inches)75%very high
April Weather23°C (74°F)65 mm (2.6 inches)68%extreme
May Weather26°C (78°F)124 mm (4.9 inches)65%extreme
June Weather27°C (81°F)206 mm (8.1 inches)73%extreme
July Weather28°C (82°F)243 mm (9.6 inches)77%extreme
August Weather28°C (82°F)223 mm (8.8 inches)80%extreme
September Weather27°C (81°F)175 mm (6.9 inches)83%extreme
October Weather25°C (78°F)67 mm (2.6 inches)83%very high
November Weather20°C (69°F)45 mm (1.8 inches)83%high
December Weather18°C (65°F)62 mm (2.4 inches)84%moderate

Compare Bloomingdale's Climate with Cities Worldwide