September weather forecast
Saint Francis, MN

Weather in September

The first month of the autumn, September, is also an agreeable month in Saint Francis, Minnesota, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 52.3°F (11.3°C).

Temperature

In September, the average high-temperature marginally drops from a warm 77.7°F (25.4°C) in August to a pleasant 70.3°F (21.3°C). In Saint Francis, the average low-temperature is 52.3°F (11.3°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

In Saint Francis, it is raining for 11.5 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 119.4 rainfall days, and 21.57" (548mm) of precipitation is accumulated.

Snowfall

In Saint Francis, snow does not fall in June through September.

Daylight

In September, the average length of the day in Saint Francis, Minnesota, is 12h and 31min.
On the first day of September, sunrise is at 6:35 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:56 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 reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Saint Francis?

In September, in Saint Francis, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 52.3°F (11.3°C).

What is the average humidity in September in Saint Francis?

In September, the average relative humidity in Saint Francis, Minnesota, is 75%.

How much does it rain in Saint Francis in September?

In September, in Saint Francis, Minnesota, the rain falls for 11.5 days. Throughout September, 1.69" (43mm) of precipitation is accumulated.

When it does not snow in Saint Francis?

In Saint Francis, snow does not fall in June through September.

Does it snow in Saint Francis in September?

In Saint Francis, Minnesota, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Saint Francis have in September?

In September, the average day length in Saint Francis, Minnesota, is 12h and 31min.

What time are sunrise and sunset in September in Saint Francis?

On the first day of September in Saint Francis, sunrise is at 6:35 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:56 pm CDT.

How long on average sun shines in September in Saint Francis?

The average sunshine duration in September in Saint Francis is 8.8h.

What is the UV index intensity in September in Saint Francis?

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

Average temperature in September
Saint Francis, MN

Average temperature in September - Saint Francis, MN
  • Average high temperature in September: 70.3°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (19.2°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°F).

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Average pressure in September
Saint Francis, MN

Average pressure in September - Saint Francis, MN
  • Average pressure in September: 29.99"Hg

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Saint Francis, MN

Average wind speed in September - Saint Francis, MN
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in September
Saint Francis, MN

Average humidity in September - Saint Francis, MN
  • Average humidity in September: 75%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in September
Saint Francis, MN

Average rainfall in September - Saint Francis, MN
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in September
Saint Francis, MN

Average rainfall days in September - Saint Francis, MN
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in September
Saint Francis, MN

Average snowfall in September - Saint Francis, MN
  • Average snowfall in September: 0"

The month with the highest snowfall is December (5.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Saint Francis, MN

Average snowfall days in September - Saint Francis, MN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Saint Francis, MN

Average daylight in September / Average sunshine in September - Saint Francis, MN
  • Average daylight in September: 12h and 31min

The month with the longest days is June (Average daylight: 15h and 37min).
The month with the shortest days is December (Average daylight: 8h and 47min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in September
Saint Francis, MN

Average sunshine days in September - Saint Francis, MN
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is June (11.3 days).

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Average UV index in September
Saint Francis, MN

Average UV index in September - Saint Francis, 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).

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Average cloud cover in September
Saint Francis, MN

Average cloud cover in September - Saint Francis, MN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in September
Saint Francis, MN

Average visibility in September - Saint Francis, MN
  • Average visibility in September: 6mi

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

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