September weather forecast
Oakville, IN

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Weather in September

September, the first month of the autumn in Oakville, is also a moderately hot month, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 56.8°F (13.8°C).

Temperature

Oakville marks the onset of September with an average high-temperature of a still warm 74.3°F (23.5°C), subtly divergent from August's 79.3°F (26.3°C). An average minimum temperature of 56.8°F (13.8°C) is recorded during the month of September.

Humidity

The average relative humidity in September is 79%.

Rainfall

In Oakville, in September, during 15.2 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Oakville, during the entire year, the rain falls for 169.4 days and collects up to 31.77" (807mm) of precipitation.

Snowfall

In Oakville, snow does not fall in May through September.

Daylight

In Oakville, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:09 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:24 pm EDT.

Sunshine

The average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Oakville in September?

In Oakville, 74.3°F (23.5°C) is the average high-temperature and 56.8°F (13.8°C) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in July is estimated at 86°F (30°C).

What is the average humidity in September?

In Oakville, the average relative humidity in September is 79%.

How much does it rain in September?

In September, the rain falls for 15.2 days. Throughout September, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

In Oakville, Indiana, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In Oakville, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:09 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:24 pm EDT.

How long on average sun shines in September?

In Oakville, the average sunshine duration in September is 8.1h.

How high is the UV index in September?

In Oakville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes 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
Oakville, IN

Average temperature in September - Oakville, IN
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in September
Oakville, IN

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

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Oakville, IN

Average wind speed in September - Oakville, IN
  • Average wind speed in September: 6.7mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in September
Oakville, IN

Average humidity in September - Oakville, IN
  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Oakville, IN

Average rainfall in September - Oakville, IN
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is February (1.85").

Average rainfall days in September
Oakville, IN

Average rainfall days in September - Oakville, IN
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (8.8 days).

Average snowfall in September
Oakville, IN

Average snowfall in September - Oakville, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Oakville, IN

Average snowfall days in September - Oakville, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Oakville, IN

Average daylight in September / Average sunshine in September - Oakville, IN
  • Average daylight in September: 12h and 2min

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

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in September
Oakville, IN

Average sunshine days in September - Oakville, IN
  • Average sunshine days in September: 12.4 days

The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is May (9.1 days).

Average UV index in September
Oakville, IN

Average UV index in September - Oakville, IN
  • Average UV index in September: 4

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

Average cloud cover in September
Oakville, IN

Average cloud cover in September - Oakville, IN
  • 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 32).

Average visibility in September
Oakville, IN

Average visibility in September - Oakville, 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).

Oakville, Indiana, USA

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