September weather forecast and climate
Antioch, OH

The first month of the autumn, September, is still a warm month in Antioch, Ohio, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 55.8°F (13.2°C).

Temperature

In Antioch, Ohio, the average high-temperature marginally drops, from a warm 82.8°F (28.2°C) in August, to a still moderately hot 76.5°F (24.7°C). In Antioch, the average low-temperature is 55.8°F (13.2°C).

Humidity

In Antioch, the average relative humidity is 78%.

Rainfall

Months with the least rainfall are September and November Rain falls for 14.6 days and accumulates 2.36" (60mm) of rain.

Snowfall

June through September are months without snowfall in Antioch.

Daylight

In September, the average length of the day in Antioch is 12.4h.

Sunshine

The average sunshine is 8.3h.

UV index

In Antioch, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Antioch?

In September, in Antioch, Ohio, the average high-temperature is 76.5°F (24.7°C), and the average low-temperature is 55.8°F (13.2°C).

What is the average humidity in September in Antioch?

In Antioch, Ohio, the average relative humidity in September is 78%.

How much does it rain in Antioch in September?

In Antioch, during September, the rain falls for 14.6 days and regularly aggregates up to 2.36" (60mm) of precipitation.

What is the driest month in Antioch?

September and November are months with the least rain in Antioch when the rain falls for 14.6 days and typically aggregates up to 2.36" (60mm) of rain.

Does it snow in Antioch in September?

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

When it does not snow in Antioch?

June through September are months without snowfall.

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

The average length of the day in September in Antioch, Ohio, is 12.4h.

How long on average sun shines in September in Antioch?

The average sunshine in September in Antioch, Ohio, is 8.3h.

How high is the UV index in September in Antioch?

The average daily maximum UV index in September in Antioch, Ohio, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Antioch, OH
  • Average high temperature in September: 24.7°C

The warmest month (with the highest average high temperature) is July (28.9°C).
The month with the lowest average high temperature is January (1.4°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is July (16.8°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average pressure in September - Antioch, OH
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is November (1020.7mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).

Average wind speed in September - Antioch, OH
  • Average wind speed in September: 7.8km/h

The windiest months (with the highest average wind speed) are January and February (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).

Average humidity in September - Antioch, OH
  • Average humidity in September: 78%

The month with the highest relative humidity is February (84%).
Months with the lowest relative humidity are April, July and August (77%).

Average rainfall in September - Antioch, OH
  • Average rainfall in September: 60mm

The wettest month (with the highest rainfall) is May (98mm).
The driest months (with the least rainfall) are September and November (60mm).

Average rainfall days in September - Antioch, OH
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is February (10.5 days).

Average snowfall in September - Antioch, OH
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (158mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (16.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Antioch, OH
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 8.3h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.3h).

Average sunshine days in September - Antioch, OH
  • Average sunshine days in September: 13 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (7.7 days).

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

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

Average cloud cover in September - Antioch, OH
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September - Antioch, OH
  • Average visibility in September: 8km

Months with the highest visibility are April and November (9km).
Months with the lowest visibility are January and February (7km).