September Weather in Hooksett, United States

Last updated: June 24, 2025

In September, the average temperature in Hooksett, United States is a pleasant 18°C (65°F). However, visitors should be prepared for temperature fluctuations, with a minimum of 2°C (36°F) and a maximum reaching 34°C (93°F). During this month, the region experiences 78 mm (3.1 in) of precipitation over about 8 days, contributing to an average humidity level of 71%.

September Temperature in Hooksett

In September in Hooksett, the average temperature is 18°C (65°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 2°C (36°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates September temperature patterns in Hooksett, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hooksett, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Hooksett

In Hooksett in September, the total precipitation amount is 78 mm (3.1 in) over the course of 8 days.

September Precipitation Trends in Hooksett

The chart displays monthly precipitation patterns in Hooksett, 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 Hooksett, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Hooksett

In Hooksett in September humidity is 71%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it a bit sticky and muggy, which can be slightly uncomfortable for traveling, especially if you're engaging in outdoor activities or exploring the city on foot.

September Average Humidity in Hooksett

This chart illustrates the average monthly humidity levels in Hooksett, 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 Hooksett is approximately 71%, 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 Hooksett

In Hooksett in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Hooksett.

Maximum UV Index Levels in Hooksett for September

The chart shows the monthly maximum UV Index (UVI) for Hooksett 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 Hooksett typically reaches 7, which falls under the high exposure category.

Data source: Hooksett 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 Hooksett Compares to Other Months

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

This table compares monthly weather conditions in Hooksett, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	70 mm (2.7 inches)	86%	moderate
February Weather	-1°C (30°F)	83 mm (3.3 inches)	84%	moderate
March Weather	2°C (36°F)	80 mm (3.2 inches)	82%	moderate
April Weather	8°C (47°F)	128 mm (5.0 inches)	80%	very high
May Weather	14°C (58°F)	77 mm (3.1 inches)	72%	very high
June Weather	20°C (69°F)	85 mm (3.3 inches)	72%	very high
July Weather	23°C (74°F)	139 mm (5.5 inches)	67%	very high
August Weather	22°C (72°F)	87 mm (3.4 inches)	66%	very high
September Weather	18°C (65°F)	78 mm (3.1 inches)	71%	high
October Weather	12°C (54°F)	128 mm (5.1 inches)	78%	moderate
November Weather	4°C (40°F)	100 mm (3.9 inches)	84%	moderate
December Weather	-1°C (31°F)	119 mm (4.7 inches)	81%	low