September weather forecastUnionport, OH

September

Weather in September

The first month of the autumn, September, is still a warm month in Unionport, Ohio, with an average temperature fluctuating between 74.8°F (23.8°C) and 55°F (12.8°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from 81.1°F (27.3°C) in August to a still warm 74.8°F (23.8°C). Unionport experiences an average low-temperature reading of 55°F (12.8°C) throughout September.

Humidity

The average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.9 days and typically collects 2.17" (55mm) of precipitation.

Snowfall

June through September are months without snowfall in Unionport.

Daylight

In Unionport, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:51 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:06 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Unionport, records 74.8°F (23.8°C), while the low-temperature is 55°F (12.8°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

In September, the average relative humidity is 79%.

September is the month with the least rainfall. Rain falls for 14.9 days and accumulates 2.17" (55mm) of precipitation.

In Unionport, during September, the rain falls for 14.9 days and regularly aggregates up to 2.17" (55mm) of precipitation.

June through September are months without snowfall.

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

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

In September, on the first day of the month, sunrise is at 6:51 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:06 pm EDT.

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

In Unionport, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

81.1°F

74.8°F

61.9°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.3mph

5.6mph

7.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.8

13.7

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Unionport, OH

Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.9°F).

Average low temperature in September: 55°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in September
Unionport, OH

Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Unionport, OH

Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September
Unionport, OH

Average humidity in September: 79%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Unionport, OH

Average rainfall in September: 2.17"

The wettest months (with the highest rainfall) are April and May (3.19").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in September
Unionport, OH

Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.8 days).

Average snowfall in September
Unionport, OH

Average snowfall in September: 0"

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Unionport, OH

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September: 12h and 24min

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 24min).

Average sunshine in September: 8h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).