September weather forecast
Brownstown, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Brownstown, Indiana, with an average temperature ranging between min 58.6°F (14.8°C) and max 78.1°F (25.6°C).

Temperature

Brownstown's transition into September involves a gentle shift in temperature, receding from a moderately hot 84°F (28.9°C) in August to a still warm 78.1°F (25.6°C). Brownstown experiences a mean low-temperature of 58.6°F (14.8°C) during September.

Humidity

In Brownstown, the average relative humidity in September is 76%.

Rainfall

September is the month with the least rainfall in Brownstown. Rain falls for 13 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

In Brownstown, snow does not fall in May through September.

Daylight

In September, the average length of the day in Brownstown is 12h and 26min.
On the first day of September in Brownstown, sunrise is at 7:13 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.

Sunshine

In Brownstown, the average sunshine in September is 8.2h.

UV index

In Brownstown, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the temperature in September in Brownstown?

In September, the average high-temperature and low-temperature in Brownstown, Indiana, are 78.1°F (25.6°C) and 58.6°F (14.8°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 93.2°F (34°C).

What is the average humidity in September in Brownstown?

In Brownstown, Indiana, the average relative humidity in September is 76%.

What is the driest month in Brownstown?

September is the month with the least rainfall. Rain falls for 13 days and accumulates 1.57" (40mm) of precipitation.

How many days does it rain in September in Brownstown?

In Brownstown, Indiana, in September, during 13 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow in Brownstown?

In Brownstown, Indiana, snow does not fall in May through September.

Does it snow in Brownstown in September?

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

How many hours of daylight does Brownstown have in September?

In Brownstown, the average day length in September is 12h and 26min.

When are sunrise and sunset in September in Brownstown?

In September, on the first day of the month, sunrise is at 7:13 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 Brownstown have in September?

The average sunshine duration in September in Brownstown, Indiana, is 8.2h.

What is the UV index intensity in September in Brownstown?

In September, the average daily maximum UV index in Brownstown, Indiana, is 5. 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
Brownstown, IN

Average temperature in September - Brownstown, IN
  • Average high temperature in September: 78.1°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in September
Brownstown, IN

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Brownstown, IN

Average wind speed in September - Brownstown, IN
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are January, February and April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in September
Brownstown, IN

Average humidity in September - Brownstown, IN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
Brownstown, IN

Average rainfall in September - Brownstown, IN
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in September
Brownstown, IN

Average rainfall days in September - Brownstown, IN
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9 days).

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Average snowfall in September
Brownstown, IN

Average snowfall in September - Brownstown, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Brownstown, IN

Average snowfall days in September - Brownstown, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.8 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
Brownstown, IN

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

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Average sunshine days in September
Brownstown, IN

Average sunshine days in September - Brownstown, IN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in September
Brownstown, IN

Average UV index in September - Brownstown, IN
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Brownstown, IN

Average cloud cover in September - Brownstown, IN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Brownstown, IN

Average visibility in September - Brownstown, IN
  • Average visibility in September: 5mi

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

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Brownstown, Indiana, USA

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