September weather forecast
Hackensack, MN

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Weather in September

September, the first month of the autumn in Hackensack, is still a comfortable month, with an average temperature ranging between max 67.3°F (19.6°C) and min 48.6°F (9.2°C).

Temperature

September involves a decrease in temperature, down from a warm 76.6°F (24.8°C) in August to a refreshing 67.3°F (19.6°C). In September, the nighttime temperature lowers to an average of 48.6°F (9.2°C).

Humidity

In Hackensack, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 10.8 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 106.9 rainfall days, and 20.35" (517mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of September in Hackensack, sunrise is at 6:38 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:59 pm CDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Exercise prevention - Precautions against solar damage are endorsed. It's recommended to limit sun exposure when its radiation is at its peak during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What is the usual temperature for Hackensack in September?

The high-temperature, in September, in Hackensack, is 67.3°F (19.6°C), while the low-temperature averages to 48.6°F (9.2°C).

What is the average humidity in September?

In Hackensack, the average relative humidity in September is 74%.

How much does it rain in Hackensack in September?

In Hackensack, in September, during 10.8 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Hackensack, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Hackensack have in September?

In Hackensack, the average day length in September is 12h and 32min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:38 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:59 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.3h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hackensack, MN

Average temperature in September - Hackensack, MN
  • Average high temperature in September: 67.3°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (16.5°F).

  • Average low temperature in September: 48.6°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).

Average pressure in September
Hackensack, MN

Average pressure in September - Hackensack, MN
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Hackensack, MN

Average wind speed in September - Hackensack, MN
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is October (7.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
Hackensack, MN

Average humidity in September - Hackensack, MN
  • Average humidity in September: 74%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).

Average rainfall in September
Hackensack, MN

Average rainfall in September - Hackensack, MN
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in September
Hackensack, MN

Average rainfall days in September - Hackensack, MN
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is June (15.9 days).
The months with the least rainy days are January and February (2.1 days).

Average snowfall in September
Hackensack, MN

Average snowfall in September - Hackensack, MN
  • Average snowfall in September: 0"

The month with the highest snowfall is December (7.56").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Hackensack, MN

Average snowfall days in September - Hackensack, MN
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Hackensack, MN

Average daylight in September / Average sunshine in September - Hackensack, MN
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

Average sunshine days in September
Hackensack, MN

Average sunshine days in September - Hackensack, MN
  • Average sunshine days in September: 17 days

The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in September
Hackensack, MN

Average UV index in September - Hackensack, MN
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Hackensack, MN

Average cloud cover in September - Hackensack, MN
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Hackensack, MN

Average visibility in September - Hackensack, MN
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Hackensack, Minnesota, USA

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