September weather forecast
Aix, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Aix, Indiana, with an average temperature fluctuating between 74.8°F (23.8°C) and 56.8°F (13.8°C).

Temperature

The average high-temperature during September is a still moderately hot 74.8°F (23.8°C), almost matching the conditions of the preceding month. September nights observe an average temperature dip to a moderate 56.8°F (13.8°C).

Humidity

In September, the average relative humidity in Aix is 78%.

Rainfall

In Aix, during September, the rain falls for 11.6 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Aix, there are 151.2 rainfall days, and 22.64" (575mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In Aix, the average length of the day in September is 12h and 27min.
On the first day of September in Aix, sunrise is at 6:16 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:31 pm CDT.

Sunshine

In September, the average sunshine in Aix is 8.3h.

UV index

In September, the average daily maximum UV index in Aix is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What is the average September temperature in Aix?

September temperatures vary between a high-temperature of 74.8°F (23.8°C) and a low-temperature of 56.8°F (13.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in September in Aix?

In Aix, the average relative humidity in September is 78%.

How much does it rain in Aix in September?

In Aix, in September, it is raining for 11.6 days, with typically 1.26" (32mm) of accumulated precipitation.

When it does not snow in Aix?

In Aix, Indiana, snow does not fall in June through October.

How many hours of daylight does Aix have in September?

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

When are sunrise and sunset in September in Aix?

On the first day of September in Aix, Indiana, sunrise is at 6:16 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:31 pm CDT.

How long on average sun shines in September in Aix?

In September, the average sunshine duration in Aix, Indiana, is 8.3h.

How high is the UV index in September in Aix?

In September, the average daily maximum UV index in Aix is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Aix, IN

Average temperature in September - Aix, IN
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in September
Aix, IN

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Aix, IN

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

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in September
Aix, IN

Average humidity in September - Aix, IN
  • Average humidity in September: 78%

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

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Average rainfall in September
Aix, IN

Average rainfall in September - Aix, IN
  • Average rainfall in September: 1.26"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in September
Aix, IN

Average rainfall days in September - Aix, IN
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in September
Aix, IN

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

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Aix, IN

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Aix, IN

Average daylight in September / Average sunshine in September - Aix, IN
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in September
Aix, IN

Average sunshine days in September - Aix, IN
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in September
Aix, IN

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

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

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Average cloud cover in September
Aix, IN

Average cloud cover in September - Aix, IN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 35).

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Average visibility in September
Aix, IN

Average visibility in September - Aix, IN
  • Average visibility in September: 6mi

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

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Aix, Indiana, USA

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