September weather forecast
Germantown, OH

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Weather in September

September, the first month of the autumn in Germantown, is also a moderately hot month, with an average temperature ranging between max 75.2°F (24°C) and min 57.2°F (14°C).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 81°F (27.2°C) to a still warm 75.2°F (24°C). Germantown records a mean low-temperature of 57.2°F (14°C) in September.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Germantown, in September, during 12.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Germantown, Ohio, during the entire year, the rain falls for 148.2 days and collects up to 22.95" (583mm) of precipitation.

Snowfall

In Germantown, snow does not fall in May through October.

Daylight

In September, the average length of the day in Germantown, Ohio, is 12h and 26min.
On the first day of September in Germantown, sunrise is at 7:06 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

Sunshine

The average sunshine in September in Germantown, Ohio, is 8.2h.

UV index

In September, the average daily maximum UV index in Germantown is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the usual temperature for Germantown in September?

The high-temperature, in September, in Germantown, is 75.2°F (24°C), while the low-temperature averages to 57.2°F (14°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in September in Germantown?

The average relative humidity in September in Germantown is 77%.

How many days does it rain in September in Germantown?

In September, in Germantown, Ohio, the rain falls for 12.8 days. Throughout September, 1.46" (37mm) of precipitation is accumulated.

When it does not snow in Germantown?

In Germantown, Ohio, snow does not fall in May through October.

What is the average length of the day in September in Germantown?

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

When is the sunrise / sunset in September in Germantown?

In September, on the first day of the month, sunrise is at 7:06 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

How long on average sun shines in September in Germantown?

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

How high is the UV index in September in Germantown?

The average daily maximum UV index in September in Germantown, Ohio, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Germantown, OH

Average temperature in September - Germantown, OH
  • Average high temperature in September: 75.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in September
Germantown, OH

Average pressure in September - Germantown, OH
  • 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
Germantown, OH

Average wind speed in September - Germantown, OH
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in September
Germantown, OH

Average humidity in September - Germantown, OH
  • Average humidity in September: 77%

The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in September
Germantown, OH

Average rainfall in September - Germantown, OH
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is November (1.42").

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Average rainfall days in September
Germantown, OH

Average rainfall days in September - Germantown, OH
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in September
Germantown, OH

Average snowfall in September - Germantown, OH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (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
Germantown, OH

Average snowfall days in September - Germantown, OH
  • 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
Germantown, OH

Average daylight in September / Average sunshine in September - Germantown, OH
  • 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 June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in September
Germantown, OH

Average sunshine days in September - Germantown, OH
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in September
Germantown, OH

Average UV index in September - Germantown, OH
  • Average UV index in September: 4

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
Germantown, OH

Average cloud cover in September - Germantown, OH
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Germantown, OH

Average visibility in September - Germantown, OH
  • 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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Germantown, Ohio, USA

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