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September Weather in Bloomfield, United States

Last updated: June 24, 2025

In September, the average temperature in Bloomfield, United States hovers around 22°C (72°F), providing a pleasant climate for outdoor activities. However, be prepared for a range, as temperatures can dip to a cool 8°C (47°F) or soar up to a sizzling 36°C (97°F). With an average humidity of 71% and 124 mm (4.9 in) of precipitation spread over 9 days, it's wise to carry an umbrella and stay hydrated while enjoying this diverse weather!

September Temperature in Bloomfield

In September in Bloomfield, the average temperature is 22°C (72°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 8°C (47°F). This weather makes it an ideal time for outdoor activities and exploring the local attractions while enjoying comfortable temperatures.

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

The chart illustrates September temperature patterns in Bloomfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bloomfield, September typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148566774787671614541
Data source: Temperature data for Bloomfield 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 Bloomfield

In Bloomfield in September, the precipitation amount is 124 mm (4.9 in) over the course of 9 days.

September Precipitation Trends in Bloomfield

The chart displays monthly precipitation patterns in Bloomfield, 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 Bloomfield, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec961471411461201681049812410789123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bloomfield

In Bloomfield in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Bloomfield

This chart illustrates the average monthly humidity levels in Bloomfield, 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 Bloomfield is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bloomfield

In Bloomfield 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 Bloomfield.

Maximum UV Index Levels in Bloomfield for September

The chart shows the monthly maximum UV Index (UVI) for Bloomfield 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 Bloomfield typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Bloomfield 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 Bloomfield Compares to Other Months

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

This table compares monthly weather conditions in Bloomfield, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)96 mm (3.8 inches)87%moderate
February Weather5°C (41°F)146 mm (5.8 inches)86%moderate
March Weather9°C (48°F)141 mm (5.6 inches)86%high
April Weather13°C (56°F)146 mm (5.8 inches)82%very high
May Weather20°C (68°F)120 mm (4.7 inches)82%very high
June Weather23°C (75°F)168 mm (6.6 inches)83%extreme
July Weather26°C (78°F)104 mm (4.1 inches)80%very high
August Weather25°C (76°F)98 mm (3.9 inches)74%very high
September Weather22°C (72°F)124 mm (4.9 inches)71%very high
October Weather16°C (61°F)107 mm (4.2 inches)78%high
November Weather7°C (46°F)89 mm (3.5 inches)88%moderate
December Weather5°C (42°F)123 mm (4.9 inches)88%moderate

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