September weather forecast
Simonton Lake, IN

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Weather in September

September, the first month of the autumn in Simonton Lake, is also an agreeable month, with an average temperature ranging between max 72.9°F (22.7°C) and min 54.9°F (12.7°C).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 78.3°F (25.7°C) to an agreeable 72.9°F (22.7°C). During September, Simonton Lake observes a consistent average nighttime temperature of 54.9°F (12.7°C).

Humidity

The average relative humidity in September in Simonton Lake is 80%.

Rainfall

In Simonton Lake, during September, the rain falls for 13.2 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Simonton Lake, during the entire year, the rain falls for 163.4 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

In Simonton Lake, snow does not fall in June through September.

Daylight

In Simonton Lake, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 7:10 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:26 pm EDT.

Sunshine

In Simonton Lake, the average sunshine in September is 8h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

An average high-temperature, in September, in Simonton Lake, is 72.9°F (22.7°C) and the average low-temperature is 54.9°F (12.7°C).

What is the average humidity in September?

In Simonton Lake, Indiana, the average relative humidity in September is 80%.

How much does it rain in Simonton Lake in September?

In September, the rain falls for 13.2 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in Simonton Lake in September?

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

How many hours of daylight does Simonton Lake have in September?

In Simonton Lake, Indiana, the average day length in September is 12h and 28min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:10 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:26 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Simonton Lake, IN

Average temperature in September - Simonton Lake, IN
  • Average high temperature in September: 72.9°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in September: 54.9°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in September
Simonton Lake, IN

Average pressure in September - Simonton Lake, IN
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Simonton Lake, IN

Average wind speed in September - Simonton Lake, IN
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in September
Simonton Lake, IN

Average humidity in September - Simonton Lake, IN
  • Average humidity in September: 80%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).

Average rainfall in September
Simonton Lake, IN

Average rainfall in September - Simonton Lake, IN
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is May (3.9").
The driest months (with the least rainfall) are February and December (1.77").

Average rainfall days in September
Simonton Lake, IN

Average rainfall days in September - Simonton Lake, IN
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in September
Simonton Lake, IN

Average snowfall in September - Simonton Lake, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Simonton Lake, IN

Average snowfall days in September - Simonton Lake, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Simonton Lake, IN

Average daylight in September / Average sunshine in September - Simonton Lake, IN
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September
Simonton Lake, IN

Average sunshine days in September - Simonton Lake, IN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is January (8.6 days).

Average UV index in September
Simonton Lake, IN

Average UV index in September - Simonton Lake, IN
  • Average UV index in September: 4

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Simonton Lake, IN

Average cloud cover in September - Simonton Lake, IN
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
Simonton Lake, IN

Average visibility in September - Simonton Lake, IN
  • Average visibility in September: 5mi

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

Simonton Lake, Indiana, USA

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