September Weather in Bloomfield, United States

Last updated: June 24, 2025

In September, the average temperature in Bloomfield, United States hovers around 19°C (67°F), with a comfortable range between a minimum of 4°C (40°F) and a maximum of 34°C (94°F). During this time, you can expect approximately 71 mm (2.8 in) of precipitation spread across 8 days, contributing to an average humidity level of 75%.

September Temperature in Bloomfield

In September in Bloomfield, the average temperature is 19°C (67°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 4°C (40°F). This makes Bloomfield an ideal destination for travelers seeking mild weather with the possibility of warm days and cooler evenings.

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 19°C (67°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for Bloomfield generated using information from the Copernicus Climate Change Service.

September Precipitation in Bloomfield

In Bloomfield in September, the precipitation amount is 71 mm (2.8 in) over the course of 8 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 71 mm (2.8 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Bloomfield

In Bloomfield in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

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 75%, offering insight into how humid the weather typically is during this month.

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 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 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	24 mm (1.0 inches)	77%	moderate
February Weather	-5°C (23°F)	25 mm (1.0 inches)	81%	moderate
March Weather	3°C (38°F)	76 mm (3.0 inches)	71%	high
April Weather	8°C (46°F)	76 mm (3.0 inches)	75%	very high
May Weather	15°C (60°F)	154 mm (6.1 inches)	74%	very high
June Weather	23°C (74°F)	85 mm (3.4 inches)	82%	extreme
July Weather	25°C (77°F)	88 mm (3.5 inches)	84%	very high
August Weather	23°C (73°F)	92 mm (3.6 inches)	82%	very high
September Weather	19°C (67°F)	71 mm (2.8 inches)	75%	very high
October Weather	10°C (50°F)	79 mm (3.1 inches)	72%	high
November Weather	3°C (38°F)	22 mm (0.9 inches)	81%	moderate
December Weather	-2°C (29°F)	45 mm (1.8 inches)	79%	low