September weather forecast
Pierz, MN

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Weather in September

The first month of the autumn, September, is still a pleasant month in Pierz, Minnesota, with an average temperature fluctuating between 70.2°F (21.2°C) and 49.8°F (9.9°C).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 78.4°F (25.8°C) in August to a pleasant 70.2°F (21.2°C). An average low-temperature of 49.8°F (9.9°C) is common during the nights of September.

Humidity

The average relative humidity in September is 74%.

Rainfall

In September, in Pierz, the rain falls for 9.7 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 109.2 rainfall days, and 17.64" (448mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Pierz, Minnesota.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of September, sunrise is at 6:38 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:57 pm CDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In September, in Pierz, the average high-temperature is 70.2°F (21.2°C), and the average low-temperature is 49.8°F (9.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

How many days does it rain in September?

In September, the rain falls for 9.7 days. Throughout September, 1.3" (33mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Pierz have in September?

The average day length in September is 12h and 31min.

When is the sunrise / sunset in September in Pierz?

On the first day of September, sunrise is at 6:38 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:57 pm CDT.

How many hours of sunshine does Pierz have in September?

In September, the average sunshine duration is 8.8h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Pierz, MN

Average temperature in September - Pierz, MN
  • Average high temperature in September: 70.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in September: 49.8°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

Average pressure in September
Pierz, MN

Average pressure in September - Pierz, 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
Pierz, MN

Average wind speed in September - Pierz, MN
  • Average wind speed in September: 7.7mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in September
Pierz, MN

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

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).

Average rainfall in September
Pierz, MN

Average rainfall in September - Pierz, MN
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in September
Pierz, MN

Average rainfall days in September - Pierz, MN
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in September
Pierz, MN

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

The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Pierz, MN

Average snowfall days in September - Pierz, MN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September
Pierz, MN

Average sunshine days in September - Pierz, MN
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in September
Pierz, MN

Average UV index in September - Pierz, 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
Pierz, MN

Average cloud cover in September - Pierz, MN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Pierz, MN

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

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

Pierz, Minnesota, USA

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