Saint Paul
Minnesota, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Saint Paul, MN

A sunrise shot of the Saint Paul
A sunrise shot of the Saint Paul's Cathedral church ground in Saint Paul, Minnesota
September, the first month of the autumn, in Saint Paul, is still a pleasant month, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 71.1°F (21.7°C).

Temperature

In Saint Paul, the average high-temperature drops, from a moderately hot 80.1°F (26.7°C) in August, to a pleasant 71.1°F (21.7°C). In Saint Paul, in September, the average low-temperature is 52°F (11.1°C).

Rainfall

In September, in Saint Paul, the rain falls for 10 days. Throughout September, 3.2" (81.3mm) of precipitation is accumulated. Throughout the year, in Saint Paul, there are 115 rainfall days, and 32.6" (827.8mm) of precipitation is accumulated.

Daylight

In September, the average length of the day is 12.5h.

Sunshine

In September, the average sunshine is 8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Saint Paul?

In Saint Paul, Minnesota, in September, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 52°F (11.1°C).

How many days does it rain in September in Saint Paul?

In Saint Paul, Minnesota, during September, the rain falls for 10 days and regularly aggregates up to 3.2" (81.3mm) of precipitation.

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

In Saint Paul, the average length of the day in September is 12.5h.

How many hours of sunshine does Saint Paul have in September?

The average sunshine in September is 8h.

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

In Saint Paul, Minnesota, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Saint Paul, MN
  • Average high temperature in September: 71°F

The warmest month (with the highest average high temperature) is July (83°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (6°F).

Average rainfall in September - Saint Paul, MN
  • Average rainfall in September: 3.2"

The wettest month (with the highest rainfall) is June (5").
The driest month (with the lowest rainfall) is February (0.8").

Average rainfall days in September - Saint Paul, MN
  • Average rainfall days in September: 10 days

Months with the highest number of rainy days are April, May and June (11 days).
The month with the lowest number of rainy days is February (7 days).

Average daylight in September / Average sunshine in September - Saint Paul, MN
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 8h

Months with most sunshine are June and July (Average sunshine: 11h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in September - Saint Paul, MN
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).