September weather forecast
Pipestone, MN

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Water trickles down on high rocks and cliffs in the Winnewissa Falls in Pipestone, Minnesota
Water trickles down on high rocks and cliffs in the Winnewissa Falls in Pipestone, Minnesota

Weather in September

September in Pipestone, Minnesota, welcomes the autumn season, characterized by a marked drop in temperatures, especially towards the end of the month. However, with temperatures fluctuating between 52.3°F (11.3°C) to 72.5°F (22.5°C), the month remains fairly warm, creating pleasant days and cooler nights. The arrival of fall changes the city's visage with vibrant autumn hues. The increased frequency of sunnier days indicates the onset of drier seasons. The fall breeze sweeping across town reveals the approaching end of another year's cycle.

Temperature

September signals a slight drop in average high-temperature, sliding from August's moderately hot 79°F (26.1°C) to an agreeable 72.5°F (22.5°C). The average temperature during September nights dips to a fresh 52.3°F (11.3°C).

Humidity

In September, the average relative humidity is 71%.

Rainfall

In Pipestone, Minnesota, in September, it is raining for 10.7 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 113.8 rainfall days, and 21.57" (548mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of September in Pipestone, sunrise is at 6:49 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:07 pm CDT.

Sunshine

In Pipestone, the average sunshine in September is 8.8h.

UV index

In Pipestone, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 4 during September translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Pipestone in September?

The average high-temperature and low-temperature during September are 72.5°F (22.5°C) and 52.3°F (11.3°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 84.2°F (29°C).

What is the average humidity in September?

In Pipestone, the average relative humidity in September is 71%.

How much does it rain in September?

In Pipestone, in September, it is raining for 10.7 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow?

In Pipestone, snow does not fall in June through September.

Does it snow in Pipestone in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 29min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:49 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:07 pm CDT.

How many hours of sunshine does Pipestone have in September?

In September, the average sunshine duration is 8.8h.

What is the UV index reading in September?

In Pipestone, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Pipestone, MN

Average temperature in September - Pipestone, MN
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (21.4°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

Average pressure in September
Pipestone, MN

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

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Pipestone, MN

Average wind speed in September - Pipestone, MN
  • Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average humidity in September
Pipestone, MN

Average humidity in September - Pipestone, MN
  • Average humidity in September: 71%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (68%).

Average rainfall in September
Pipestone, MN

Average rainfall in September - Pipestone, MN
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is June (3.31").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in September
Pipestone, MN

Average rainfall days in September - Pipestone, MN
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (2.2 days).

Average snowfall in September
Pipestone, MN

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

The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Pipestone, MN

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Pipestone, MN

Average sunshine days in September - Pipestone, MN
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in September
Pipestone, MN

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

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

Average cloud cover in September
Pipestone, MN

Average cloud cover in September - Pipestone, MN
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in September
Pipestone, MN

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Pipestone, Minnesota, USA

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