September weather forecast
Powellsville, OH

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Weather in September

September, the first month of the autumn in Powellsville, is also a moderately hot month, with an average temperature varying between 56.8°F (13.8°C) and 78.4°F (25.8°C).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 85.1°F (29.5°C) in August to a still moderately hot 78.4°F (25.8°C). September nights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 56.8°F (13.8°C).

Humidity

The average relative humidity in September is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:00 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September is 8.2h.

UV index

In Powellsville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - It is counselled to guard against solar damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

What is the temperature in September?

In Powellsville, in September, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 56.8°F (13.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 95°F (35°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in September?

In Powellsville, in September, during 12.6 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in September?

The average day length in September is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:00 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Powellsville have in September?

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

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index estimate 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
Powellsville, OH

Average temperature in September - Powellsville, OH
  • Average high temperature in September: 78.4°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Powellsville, OH

Average pressure in September - Powellsville, OH
  • Average pressure in September: 30.05"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Powellsville, OH

Average wind speed in September - Powellsville, OH
  • Average wind speed in September: 4.8mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Powellsville, OH

Average humidity in September - Powellsville, OH
  • Average humidity in September: 76%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Powellsville, OH

Average rainfall in September - Powellsville, OH
  • Average rainfall in September: 1.89"

The wettest months (with the highest rainfall) are April and May (3.39").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September
Powellsville, OH

Average rainfall days in September - Powellsville, OH
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in September
Powellsville, OH

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

The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Powellsville, OH

Average snowfall days in September - Powellsville, OH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Powellsville, OH

Average daylight in September / Average sunshine in September - Powellsville, OH
  • 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 August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Powellsville, OH

Average sunshine days in September - Powellsville, OH
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in September
Powellsville, OH

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

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

Average cloud cover in September
Powellsville, OH

Average cloud cover in September - Powellsville, OH
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Powellsville, OH

Average visibility in September - Powellsville, OH
  • Average visibility in September: 5mi

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

Powellsville, Ohio, USA

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