September weather forecast
Round Grove, IN

Share

Weather in September

September, the first month of the autumn in Round Grove, is still a warm month, with an average temperature ranging between max 75.6°F (24.2°C) and min 57°F (13.9°C).

Temperature

The commencement of September introduces an average high-temperature of a still moderately hot 75.6°F (24.2°C), closely mirroring the preceding month. Nighttime temperatures in September average to a moderate 57°F (13.9°C) in Round Grove, Indiana.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Round Grove, Indiana, in September, during 10.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Round Grove, Indiana, there are 130.9 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

In Round Grove, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 7:16 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:31 pm EDT.

Sunshine

The average sunshine in September in Round Grove is 8.1h.

UV index

The average daily maximum UV index in September in Round Grove is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
[Resources]

Frequently asked questions

What is the usual temperature for Round Grove in September?

September temperatures in Round Grove, Indiana, vary between a high-temperature of 75.6°F (24.2°C) and a low-temperature of 57°F (13.9°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 calculated to be 87.8°F (31°C).

What is the average humidity in September in Round Grove?

In September, the average relative humidity in Round Grove, Indiana, is 78%.

How much does it rain in Round Grove in September?

In September, the rain falls for 10.2 days. Throughout September, 1.02" (26mm) of precipitation is accumulated.

When it does not snow in Round Grove?

May through September are months without snowfall in Round Grove.

Does it snow in Round Grove in September?

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

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

In Round Grove, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in Round Grove?

On the first day of September in Round Grove, sunrise is at 7:16 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:31 pm EDT.

How long on average sun shines in September in Round Grove?

The average sunshine duration in September in Round Grove is 8.1h.

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

In Round Grove, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Round Grove, IN

Average temperature in September - Round Grove, IN
  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

[Resources]

Average pressure in September
Round Grove, IN

Average pressure in September - Round Grove, IN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in September
Round Grove, IN

Average wind speed in September - Round Grove, IN
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

[Resources]

Average humidity in September
Round Grove, IN

Average humidity in September - Round Grove, IN
  • Average humidity in September: 78%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in September
Round Grove, IN

Average rainfall in September - Round Grove, IN
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are February and November (0.94").

[Resources]

Average rainfall days in September
Round Grove, IN

Average rainfall days in September - Round Grove, IN
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.1 days).

[Resources]

Average snowfall in September
Round Grove, IN

Average snowfall in September - Round Grove, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in September
Round Grove, IN

Average snowfall days in September - Round Grove, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9 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
Round Grove, IN

Average daylight in September / Average sunshine in September - Round Grove, IN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[Resources]

Average sunshine days in September
Round Grove, IN

Average sunshine days in September - Round Grove, IN
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (11.7 days).

[Resources]

Average UV index in September
Round Grove, IN

Average UV index in September - Round Grove, IN
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in September
Round Grove, IN

Average cloud cover in September - Round Grove, IN
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June, August and September (Cloud cover 34).

[Resources]

Average visibility in September
Round Grove, IN

Average visibility in September - Round Grove, IN
  • Average visibility in September: 6mi

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

[Resources]

Round Grove, Indiana, USA

Weather forecast for your location

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