September weather forecast
Grove City, MN

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Weather in September

September, the first month of the autumn in Grove City, is still a pleasant month, with an average temperature fluctuating between 51.6°F (10.9°C) and 70.9°F (21.6°C).

Temperature

The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 70.9°F (21.6°C) from a warm 78.4°F (25.8°C). In Grove City, an average nighttime temperature of 51.6°F (10.9°C) is expected during September.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Grove City, during September, the rain falls for 10.2 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Grove City, during the entire year, the rain falls for 99.1 days and collects up to 11.89" (302mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Grove City, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:00 pm CDT.

Sunshine

In Grove City, the average sunshine in September is 8.8h.

UV index

In Grove City, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Grove City?

An average high-temperature, in September, in Grove City, is 70.9°F (21.6°C) and the average low-temperature is 51.6°F (10.9°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in September in Grove City?

In Grove City, the average relative humidity in September is 74%.

How many days does it rain in September in Grove City?

In Grove City, in September, it is raining for 10.2 days, with typically 0.91" (23mm) of accumulated precipitation.

When it does not snow in Grove City?

In Grove City, snow does not fall in June through September.

Does it snow in Grove City in September?

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

How many hours of daylight does Grove City have in September?

In September, the average day length is 12h and 31min.

When are sunrise and sunset in September in Grove City?

On the first day of September, sunrise is at 6:41 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:00 pm CDT.

How many hours of sunshine does Grove City have in September?

In Grove City, the average sunshine duration in September is 8.8h.

What is the UV index intensity in September in Grove City?

In September, the average daily maximum UV index in Grove City is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Grove City, MN

Average temperature in September - Grove City, MN
  • Average high temperature in September: 70.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (19.2°F).

  • Average low temperature in September: 51.6°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).

Average pressure in September
Grove City, MN

Average pressure in September - Grove City, MN
  • Average pressure in September: 29.99"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Grove City, MN

Average wind speed in September - Grove City, MN
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in September
Grove City, MN

Average humidity in September - Grove City, 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 (69%).

Average rainfall in September
Grove City, MN

Average rainfall in September - Grove City, MN
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is June (2.01").
The driest month (with the least rainfall) is January (0.28").

Average rainfall days in September
Grove City, MN

Average rainfall days in September - Grove City, MN
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is January (1.5 days).

Average snowfall in September
Grove City, MN

Average snowfall in September - Grove City, MN
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.17").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Grove City, MN

Average snowfall days in September - Grove City, MN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Grove City, MN

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Grove City, MN

Average sunshine days in September - Grove City, MN
  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in September
Grove City, MN

Average UV index in September - Grove City, 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, November and December (UV index 1).

Average cloud cover in September
Grove City, MN

Average cloud cover in September - Grove City, MN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in September
Grove City, MN

Average visibility in September - Grove City, MN
  • Average visibility in September: 6mi

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

Grove City, Minnesota, USA

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