September Weather in Northwood, United States

Last updated: June 24, 2025

In Northwood, United States, the average temperature in September hovers around 20°C (68°F), making it a pleasant time to visit. Expect temperatures to range from a minimum of 4°C (40°F) to a maximum of 34°C (93°F). With an average precipitation of 75 mm (3.0 in) spread over 8 days, don’t forget your umbrella! Additionally, the average humidity stays around 78%, adding a touch of mugginess to the warm air.

September Temperature in Northwood

In September in Northwood, the average temperature is 20°C (68°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (40°F). This variety in temperature makes it a great time for travelers to enjoy both outdoor activities and cozy indoor experiences.

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

The chart illustrates September temperature patterns in Northwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Northwood, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Northwood

In Northwood in September, the total precipitation amount is 75 mm (3.0 in) over the course of 8 days.

September Precipitation Trends in Northwood

The chart displays monthly precipitation patterns in Northwood, 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 Northwood, September typically receives around 75 mm (3.0 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 Northwood

In Northwood in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in Northwood

This chart illustrates the average monthly humidity levels in Northwood, 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 Northwood is approximately 78%, 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 Northwood

In Northwood 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 Northwood.

Maximum UV Index Levels in Northwood for September

The chart shows the monthly maximum UV Index (UVI) for Northwood 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 Northwood typically reaches 8, which falls under the very high exposure category.

Data source: Northwood 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 Northwood Compares to Other Months

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

This table compares monthly weather conditions in Northwood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	73 mm (2.9 inches)	88%	moderate
February Weather	0°C (32°F)	98 mm (3.9 inches)	87%	moderate
March Weather	5°C (41°F)	101 mm (4.0 inches)	87%	high
April Weather	10°C (51°F)	109 mm (4.3 inches)	87%	very high
May Weather	17°C (63°F)	126 mm (4.9 inches)	81%	very high
June Weather	22°C (71°F)	127 mm (5.0 inches)	82%	very high
July Weather	24°C (75°F)	109 mm (4.3 inches)	81%	very high
August Weather	23°C (73°F)	92 mm (3.6 inches)	78%	very high
September Weather	20°C (68°F)	75 mm (3.0 inches)	78%	very high
October Weather	14°C (57°F)	98 mm (3.8 inches)	82%	high
November Weather	5°C (41°F)	90 mm (3.5 inches)	89%	moderate
December Weather	2°C (35°F)	76 mm (3.0 inches)	86%	moderate