September weather forecast
Sandusky, MI

Share

Weather in September

September, the first month of the autumn in Sandusky, is still a pleasant month, with an average temperature varying between 54.9°F (12.7°C) and 68.9°F (20.5°C).

Temperature

Sandusky's progression into September involves a gentle drop in the average high-temperature, from a warm 75.4°F (24.1°C) in August to a pleasant 68.9°F (20.5°C). September's average low-temperature reading settles at a cool 54.9°F (12.7°C).

Humidity

In Sandusky, the average relative humidity in September is 80%.

Rainfall

In Sandusky, Michigan, in September, it is raining for 12.5 days, with typically 1.57" (40mm) of accumulated precipitation. In Sandusky, during the entire year, the rain falls for 146.5 days and collects up to 22.44" (570mm) of precipitation.

Snowfall

In Sandusky, snow does not fall in June through September.

Daylight

In Sandusky, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:56 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:13 pm EDT.

Sunshine

In Sandusky, the average sunshine in September is 8.2h.

UV index

In Sandusky, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's recommended to limit sun exposure when its radiation is at its peak during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Sandusky?

In September, the average high-temperature and low-temperature in Sandusky are 68.9°F (20.5°C) and 54.9°F (12.7°C) respectively.

What is the average humidity in September in Sandusky?

In September, the average relative humidity in Sandusky, Michigan, is 80%.

How many days does it rain in September in Sandusky?

In Sandusky, Michigan, during September, the rain falls for 12.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When it does not snow in Sandusky?

In Sandusky, Michigan, snow does not fall in June through September.

Does it snow in Sandusky in September?

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

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

In September, the average day length in Sandusky is 12h and 29min.

When is the sunrise / sunset in September in Sandusky?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:13 pm EDT.

How many hours of sunshine does Sandusky have in September?

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

How high is the UV index in September in Sandusky?

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

Average temperature in September - Sandusky, MI
  • Average high temperature in September: 68.9°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in September: 54.9°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in September
Sandusky, MI

Average pressure in September - Sandusky, MI
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Sandusky, MI

Average wind speed in September - Sandusky, MI
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in September
Sandusky, MI

Average humidity in September - Sandusky, MI
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (78%).

Average rainfall in September
Sandusky, MI

Average rainfall in September - Sandusky, MI
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are February and December (1.26").

Average rainfall days in September
Sandusky, MI

Average rainfall days in September - Sandusky, MI
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is October (16.9 days).
The month with the least rainy days is February (5.5 days).

Average snowfall in September
Sandusky, MI

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

The month with the highest snowfall is January (3.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Sandusky, MI

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

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Sandusky, MI

Average daylight in September / Average sunshine in September - Sandusky, MI
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days in September
Sandusky, MI

Average sunshine days in September - Sandusky, MI
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (9.2 days).

Average UV index in September
Sandusky, MI

Average UV index in September - Sandusky, MI
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Sandusky, MI

Average cloud cover in September - Sandusky, MI
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
Sandusky, MI

Average visibility in September - Sandusky, MI
  • Average visibility in September: 6mi

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

Sandusky, Michigan, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location