September weather forecast and climate
Dawn, OH

The first month of the autumn, September, is also a moderately hot month in Dawn, Ohio, with average temperature varying between 74.1°F (23.4°C) and 56.3°F (13.5°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a still moderately hot 74.1°F (23.4°C). In September, the average low-temperature is 56.3°F (13.5°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 11.7 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 147.8 rainfall days, and 21.3" (541mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

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

Sunshine

In September, the average sunshine in Dawn, Ohio, is 8h.

UV index

In September, the average daily maximum UV index in Dawn is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Dawn?

In September, in Dawn, Ohio, the average high-temperature is 74.1°F (23.4°C), and the average low-temperature is 56.3°F (13.5°C).

What is the average humidity in September in Dawn?

The average relative humidity in September in Dawn, Ohio, is 79%.

How much does it rain in Dawn in September?

In Dawn, in September, it is raining for 11.7 days, with typically 1.38" (35mm) of accumulated precipitation.

Does it snow in Dawn in September?

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

When it does not snow in Dawn?

May through September are months without snowfall in Dawn.

How many hours of daylight does Dawn have in September?

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

How many hours of sunshine does Dawn have in September?

The average sunshine in September in Dawn, Ohio, is 8h.

How high is the UV index in September in Dawn?

In September, the average daily maximum UV index in Dawn is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in September - Dawn, OH
  • Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is July (27.2°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).

Average pressure in September - Dawn, OH
  • Average pressure in September: 1017.1mbar

Months with the highest atmospheric pressure are January and November (1020.2mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in September - Dawn, OH
  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is January (17km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in September - Dawn, OH
  • Average humidity in September: 79%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September - Dawn, OH
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is May (77mm).
The driest month (with the least rainfall) is February (30mm).

Average rainfall days in September - Dawn, OH
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.2 days).

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

Months with the highest snowfall are January and February (46mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (9.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 8h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.6h).

Average sunshine days in September - Dawn, OH
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.4 days).

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

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).

Average cloud cover in September - Dawn, OH
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).

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

Months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).