September weather forecast
The Red Mills, IN

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Weather in September

The first month of the autumn, September, is still a warm month in The Red Mills, Indiana, with an average temperature varying between 75.6°F (24.2°C) and 57.9°F (14.4°C).

Temperature

The Red Mills ushers in September with an average high-temperature of a still warm 75.6°F (24.2°C), showing a close resemblance to the previous month. Nighttime temperatures hover around an average low of 57.9°F (14.4°C) in September.

Humidity

In The Red Mills, the average relative humidity in September is 77%.

Rainfall

In The Red Mills, in September, during 12.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In The Red Mills, Indiana, during the entire year, the rain falls for 153.4 days and collects up to 26.81" (681mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:14 pm. On the last day of September, in The Red Mills, sunrise is at 7:39 am and sunset at 7:27 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the usual temperature for The Red Mills in September?

In The Red Mills, in September, the average high-temperature is 75.6°F (24.2°C), and the average low-temperature is 57.9°F (14.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 86°F (30°C).

What is the average humidity in September in The Red Mills?

In September, the average relative humidity in The Red Mills, Indiana, is 77%.

How many days does it rain in September in The Red Mills?

In September, in The Red Mills, the rain falls for 12.9 days. Throughout September, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in The Red Mills?

May through October are months without snowfall in The Red Mills.

What is the average length of the day in September in The Red Mills?

In The Red Mills, the average day length in September is 12h and 26min.

When are sunrise and sunset in September in The Red Mills?

On the first day of September in The Red Mills, sunrise is at 7:12 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:27 pm EDT.

How many hours of sunshine does The Red Mills have in September?

In September, the average sunshine duration is 8.3h.

How high is the UV index in September in The Red Mills?

The average daily maximum UV index in September in The Red Mills, Indiana, is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
The Red Mills, IN

Average temperature in September - The Red Mills, IN
  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 57.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in September
The Red Mills, IN

Average pressure in September - The Red Mills, IN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
The Red Mills, IN

Average wind speed in September - The Red Mills, IN
  • Average wind speed in September: 6.4mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in September
The Red Mills, IN

Average humidity in September - The Red Mills, IN
  • Average humidity in September: 77%

The months with the highest relative humidity are January, July and December (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
The Red Mills, IN

Average rainfall in September - The Red Mills, IN
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in September
The Red Mills, IN

Average rainfall days in September - The Red Mills, IN
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8 days).

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Average snowfall in September
The Red Mills, IN

Average snowfall in September - The Red Mills, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
The Red Mills, IN

Average snowfall days in September - The Red Mills, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
The Red Mills, IN

Average daylight in September / Average sunshine in September - The Red Mills, IN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in September
The Red Mills, IN

Average sunshine days in September - The Red Mills, IN
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in September
The Red Mills, IN

Average UV index in September - The Red Mills, IN
  • Average UV index in September: 4

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

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Average cloud cover in September
The Red Mills, IN

Average cloud cover in September - The Red Mills, IN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
The Red Mills, IN

Average visibility in September - The Red Mills, IN
  • Average visibility in September: 6mi

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

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The Red Mills, Indiana, USA

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