September weather forecast
Merrifield, MN

Share

Weather in September

September, the first month of the autumn in Merrifield, is still a pleasant month, with an average temperature ranging between min 49.1°F (9.5°C) and max 69.8°F (21°C).

Temperature

With the onset of September, the average high-temperature subtly recedes from August's moderately hot 78.6°F (25.9°C) to an agreeable 69.8°F (21°C). During September nights, Merrifield witnesses a consistent average temperature of 49.1°F (9.5°C).

Humidity

In September, the average relative humidity in Merrifield is 73%.

Rainfall

In Merrifield, during September, the rain falls for 9.5 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 104.2 rainfall days, and 17.13" (435mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Merrifield.

Daylight

In Merrifield, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:14 am and sunset at 6:57 pm CDT.

Sunshine

In Merrifield, the average sunshine in September is 8.4h.

UV index

In Merrifield, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 4 during September translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
[Resources]

Frequently asked questions

What is the average September temperature in Merrifield?

In September, the average high-temperature and low-temperature in Merrifield, Minnesota, are 69.8°F (21°C) and 49.1°F (9.5°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 84.2°F (29°C).

What is the average humidity in September in Merrifield?

In September, the average relative humidity in Merrifield, Minnesota, is 73%.

How much does it rain in Merrifield in September?

In Merrifield, during September, the rain falls for 9.5 days and regularly aggregates up to 1.1" (28mm) of precipitation.

When it does not snow in Merrifield?

June through September are months without snowfall.

Does it snow in Merrifield in September?

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

How many hours of daylight does Merrifield have in September?

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

What time are sunrise and sunset in September in Merrifield?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:57 pm CDT.

How long on average sun shines in September in Merrifield?

In Merrifield, the average sunshine duration in September is 8.4h.

What is the UV index intensity in September in Merrifield?

The average daily maximum UV index in September in Merrifield, Minnesota, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Merrifield, MN

Average temperature in September - Merrifield, MN
  • Average high temperature in September: 69.8°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 (18°F).

  • Average low temperature in September: 49.1°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).

[Resources]

Average pressure in September
Merrifield, MN

Average pressure in September - Merrifield, 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).

[Resources]

Average wind speed in September
Merrifield, MN

Average wind speed in September - Merrifield, MN
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

[Resources]

Average humidity in September
Merrifield, MN

Average humidity in September - Merrifield, MN
  • Average humidity in September: 73%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (70%).

[Resources]

Average rainfall in September
Merrifield, MN

Average rainfall in September - Merrifield, MN
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.47").

[Resources]

Average rainfall days in September
Merrifield, MN

Average rainfall days in September - Merrifield, MN
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.8 days).

[Resources]

Average snowfall in September
Merrifield, MN

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

The month with the highest snowfall is December (5.67").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Merrifield, MN

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

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Merrifield, 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 42min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

[Resources]

Average sunshine days in September
Merrifield, MN

Average sunshine days in September - Merrifield, MN
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is June (12.8 days).

[Resources]

Average UV index in September
Merrifield, MN

Average UV index in September - Merrifield, 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).

[Resources]

Average cloud cover in September
Merrifield, MN

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

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 34).

[Resources]

Average visibility in September
Merrifield, MN

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

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

[Resources]

Merrifield, Minnesota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location