September weather forecast
Sandusky, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Sandusky, Indiana, with an average temperature ranging between max 75.7°F (24.3°C) and min 58.1°F (14.5°C).

Temperature

Sandusky observes a small decrease in the average high-temperature with the arrival of September, falling from August's 81.3°F (27.4°C) to a still warm 75.7°F (24.3°C). Throughout September, the nighttime temperature in Sandusky averages to a refreshing 58.1°F (14.5°C).

Humidity

In Sandusky, the average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall in Sandusky. Rain falls for 13.7 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

May through September are months without snowfall in Sandusky.

Daylight

In Sandusky, the average length of the day in September is 12h and 26min.
On the first day of September in Sandusky, Indiana, sunrise is at 7:11 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:25 pm EDT.

Sunshine

In September, the average sunshine is 8.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the average September temperature in Sandusky?

An average high-temperature, in September, in Sandusky, is 75.7°F (24.3°C) and the average low-temperature is 58.1°F (14.5°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in September in Sandusky?

In Sandusky, the average relative humidity in September is 77%.

What is the driest month in Sandusky?

September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 1.97" (50mm) of precipitation.

How much does it rain in Sandusky in September?

In Sandusky, Indiana, in September, during 13.7 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Sandusky?

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

Does it snow in Sandusky in September?

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

How many hours of daylight does Sandusky have in September?

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

When is the sunrise / sunset in September in Sandusky?

In September, on the first day of the month, sunrise is at 7:11 am and sunset at 8:12 pm. On the last day of the month, in Sandusky, sunrise is at 7:37 am and sunset at 7:25 pm EDT.

How long on average sun shines in September in Sandusky?

In Sandusky, Indiana, the average sunshine duration in September is 8.2h.

What is the UV index reading in September in Sandusky?

In Sandusky, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Sandusky, IN

Average temperature in September - Sandusky, IN
  • Average high temperature in September: 75.7°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in September: 58.1°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 (21.9°F).

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Average pressure in September
Sandusky, IN

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

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

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Average wind speed in September
Sandusky, IN

Average wind speed in September - Sandusky, IN
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

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Average humidity in September
Sandusky, IN

Average humidity in September - Sandusky, IN
  • Average humidity in September: 77%

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

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Average rainfall in September
Sandusky, IN

Average rainfall in September - Sandusky, IN
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in September
Sandusky, IN

Average rainfall days in September - Sandusky, IN
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (8.4 days).

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Average snowfall in September
Sandusky, IN

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Sandusky, IN

Average snowfall days in September - Sandusky, 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
Sandusky, IN

Average daylight in September / Average sunshine in September - Sandusky, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in September
Sandusky, IN

Average sunshine days in September - Sandusky, IN
  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.9 days).

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Average UV index in September
Sandusky, IN

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

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
Sandusky, IN

Average cloud cover in September - Sandusky, IN
  • Average cloud cover in September: 34

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
Sandusky, IN

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

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

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Sandusky, Indiana, USA

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