September weather forecast
Trevlac, IN

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Weather in September

The first month of the autumn, September, is still a warm month in Trevlac, Indiana, with an average temperature fluctuating between 77.4°F (25.2°C) and 58.3°F (14.6°C).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's 83.3°F (28.5°C) to a still warm 77.4°F (25.2°C). Trevlac anticipates an average minimum temperature of 58.3°F (14.6°C) in the month of September.

Humidity

The average relative humidity in September in Trevlac is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

May through September are months without snowfall in Trevlac.

Daylight

In September, the average length of the day in Trevlac, Indiana, is 12h and 26min.
On the first day of September in Trevlac, sunrise is at 7:14 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:29 pm EDT.

Sunshine

The average sunshine in September in Trevlac, Indiana, is 8.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the usual temperature for Trevlac in September?

The high-temperature, in September, in Trevlac, records 77.4°F (25.2°C), while the low-temperature is 58.3°F (14.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 91.4°F (33°C).

What is the average humidity in September in Trevlac?

In September, the average relative humidity in Trevlac is 77%.

What is the driest month in Trevlac?

The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.57" (40mm) of precipitation.

How many days does it rain in September in Trevlac?

In September, in Trevlac, Indiana, the rain falls for 12.3 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

When it does not snow in Trevlac?

May through September are months without snowfall.

Does it snow in Trevlac in September?

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

How many hours of daylight does Trevlac have in September?

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

What time are sunrise and sunset in September in Trevlac?

In September, on the first day of the month, sunrise is at 7:14 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:29 pm EDT.

How long on average sun shines in September in Trevlac?

The average sunshine duration in September in Trevlac is 8.4h.

What is the UV index reading in September in Trevlac?

The average daily maximum UV index in September in Trevlac is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Trevlac, IN

Average temperature in September - Trevlac, IN
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in September: 58.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in September
Trevlac, IN

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

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Trevlac, IN

Average wind speed in September - Trevlac, IN
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Trevlac, IN

Average humidity in September - Trevlac, IN
  • Average humidity in September: 77%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in September
Trevlac, IN

Average rainfall in September - Trevlac, IN
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in September
Trevlac, IN

Average rainfall days in September - Trevlac, IN
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is May (19.6 days).
The months with the least rainy days are January and February (8 days).

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Average snowfall in September
Trevlac, IN

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

The month with the highest snowfall is March (2.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Trevlac, IN

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in September
Trevlac, IN

Average sunshine days in September - Trevlac, IN
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (8.6 days).

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Average UV index in September
Trevlac, IN

Average UV index in September - Trevlac, IN
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in September
Trevlac, IN

Average cloud cover in September - Trevlac, IN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Trevlac, IN

Average visibility in September - Trevlac, IN
  • Average visibility in September: 5mi

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

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Trevlac, Indiana, USA

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