September weather forecast
Swayzee, IN

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Weather in September

September, the first month of the autumn in Swayzee, is also a moderately hot month, with an average temperature fluctuating between 74.3°F (23.5°C) and 56.5°F (13.6°C).

Temperature

Swayzee transitions into September recording an average high-temperature of a still warm 74.3°F (23.5°C), closely aligning with the preceding month's temperature. During September, the temperature in Swayzee tends to dip to an average of 56.5°F (13.6°C) at night.

Humidity

In September, the average relative humidity in Swayzee is 79%.

Rainfall

In Swayzee, during September, the rain falls for 10.2 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Swayzee, during the entire year, the rain falls for 123.4 days and collects up to 12.64" (321mm) of precipitation.

Snowfall

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

Daylight

In Swayzee, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 7:11 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:26 pm EDT.

Sunshine

In Swayzee, the average sunshine in September is 8.1h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 4 suggests this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What are September temperatures in Swayzee?

The high-temperature, in September, in Swayzee, records 74.3°F (23.5°C), while the low-temperature is 56.5°F (13.6°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in September in Swayzee?

In Swayzee, Indiana, the average relative humidity in September is 79%.

How much does it rain in Swayzee in September?

In Swayzee, during September, the rain falls for 10.2 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow in Swayzee?

May through September are months without snowfall in Swayzee, Indiana.

Does it snow in Swayzee in September?

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

How many hours of daylight does Swayzee have in September?

The average day length in September in Swayzee, Indiana, is 12h and 27min.

When are sunrise and sunset in September in Swayzee?

In September, on the first day of the month, sunrise is at 7:11 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:26 pm EDT.

How long on average sun shines in September in Swayzee?

The average sunshine duration in September in Swayzee, Indiana, is 8.1h.

How high is the UV index in September in Swayzee?

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

Average temperature in September - Swayzee, IN
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in September
Swayzee, IN

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

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

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Average wind speed in September
Swayzee, IN

Average wind speed in September - Swayzee, IN
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in September
Swayzee, IN

Average humidity in September - Swayzee, IN
  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Swayzee, IN

Average rainfall in September - Swayzee, IN
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.63").

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Average rainfall days in September
Swayzee, IN

Average rainfall days in September - Swayzee, IN
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in September
Swayzee, IN

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

The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Swayzee, IN

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

The month with the highest number of snowfall days is January (9.8 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
Swayzee, IN

Average daylight in September / Average sunshine in September - Swayzee, 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 months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in September
Swayzee, IN

Average sunshine days in September - Swayzee, IN
  • Average sunshine days in September: 18 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in September
Swayzee, IN

Average UV index in September - Swayzee, IN
  • Average UV index in September: 4

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

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Average cloud cover in September
Swayzee, IN

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

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are June, July and August (Cloud cover 34).

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Average visibility in September
Swayzee, IN

Average visibility in September - Swayzee, 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).

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Swayzee, Indiana, USA

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