Sandusky
Ohio, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Sandusky, OH

September, the first month of the autumn, in Sandusky, is still a warm month, with average temperature varying between 56.8°F (13.8°C) and 73.4°F (23°C).

Temperature

In September, the average high-temperature slightly decreases, from 79.9°F (26.6°C) in August, to a still moderately hot 73.4°F (23°C). In September, the average low-temperature is 56.8°F (13.8°C).

Rainfall

In Sandusky, in September, it is raining for 10.1 days, with typically 3.2" (80.3mm) of accumulated precipitation. In Sandusky, during the entire year, the rain falls for 130.3 days and collects up to 34.5" (875.3mm) of precipitation.

Snowfall

In Sandusky, during the entire year, snow aggregates up to 23.3" (591.7mm).

Ocean temperature

In September, the average ocean temperature in Sandusky, Ohio, is 69.8°F (21°C).
Note: Swimming in 69.8°F (21°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in Sandusky is 12.5h.

Sunshine

In September, the average sunshine is 7h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Sandusky?

The average high-temperature, in September, in Sandusky, Ohio, is 73.4°F (23°C), while the average low-temperature is 56.8°F (13.8°C).

How many days does it rain in September in Sandusky?

In Sandusky, in September, it is raining for 10.1 days, with typically 3.2" (80.3mm) of accumulated precipitation.

What is the ocean temperature in September in Sandusky?

In Sandusky, Ohio, in September, the average water temperature is 69.8°F (21°C). For swimming, a surface water temperature of 69.8°F (21°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Sandusky have in September?

The average length of the day in September is 12.5h.

How many hours of sunshine does Sandusky have in September?

In Sandusky, Ohio, the average sunshine in September is 7h.

How high is the UV index in September in Sandusky?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in September - Sandusky, OH
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (81.8°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in September: 56.9°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average rainfall in September - Sandusky, OH
  • Average rainfall in September: 3.2"

The wettest month (with the highest rainfall) is June (4.2").
The driest month (with the lowest rainfall) is February (1.7").

Average rainfall days in September - Sandusky, OH
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is April (12.3 days).
The month with the lowest number of rainy days is February (9.4 days).

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

The month with the highest snowfall is January (8.8").
Months with the lowest snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (6.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in September - Sandusky, OH
  • Average sea temperature in September: 70°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (34°F).

Average daylight in September / Average sunshine in September - Sandusky, OH
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 7h

Months with most sunshine are June and July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in September - Sandusky, OH
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).