September weather forecast
Bunker Hill, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Bunker Hill, Indiana, with an average temperature varying between 74.7°F (23.7°C) and 56.5°F (13.6°C).

Temperature

Bunker Hill, Indiana, notes an average high-temperature of a still warm 74.7°F (23.7°C) in September, hardly diverging from August. During the September nights, an average temperature of 56.5°F (13.6°C) is observed in Bunker Hill.

Humidity

The average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall in Bunker Hill. Rain falls for 13.2 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

May through September are months without snowfall in Bunker Hill.

Daylight

In September, the average length of the day in Bunker Hill, Indiana, is 12h and 27min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:40 am and sunset at 7:27 pm EDT.

Sunshine

In Bunker Hill, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September in Bunker Hill is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What are the temperatures in Bunker Hill in September?

During September, Bunker Hill experiences an average high-temperature of 74.7°F (23.7°C) and a low-temperature of 56.5°F (13.6°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 87.8°F (31°C).

What is the average humidity in September in Bunker Hill?

The average relative humidity in September in Bunker Hill, Indiana, is 79%.

What is the driest month in Bunker Hill?

September is the month with the least rainfall in Bunker Hill, Indiana. Rain falls for 13.2 days and accumulates 1.77" (45mm) of precipitation.

How much does it rain in Bunker Hill in September?

In Bunker Hill, Indiana, during September, the rain falls for 13.2 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Bunker Hill?

May through September are months without snowfall in Bunker Hill, Indiana.

Does it snow in Bunker Hill in September?

In Bunker Hill, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Bunker Hill have in September?

The average day length in September in Bunker Hill, Indiana, is 12h and 27min.

When are sunrise and sunset in September in Bunker Hill?

In September, on the first day of the month, sunrise is at 7:12 am and sunset at 8:16 pm. On the last day of the month, in Bunker Hill, Indiana, sunrise is at 7:40 am and sunset at 7:27 pm EDT.

How many hours of sunshine does Bunker Hill have in September?

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

What is the UV index intensity in September in Bunker Hill?

In Bunker Hill, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Bunker Hill, IN

Average temperature in September - Bunker Hill, IN
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in September
Bunker Hill, IN

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Bunker Hill, IN

Average wind speed in September - Bunker Hill, IN
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in September
Bunker Hill, IN

Average humidity in September - Bunker Hill, IN
  • Average humidity in September: 79%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Bunker Hill, IN

Average rainfall in September - Bunker Hill, IN
  • Average rainfall in September: 1.77"

The wettest months (with the highest rainfall) are April and May (3.58").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in September
Bunker Hill, IN

Average rainfall days in September - Bunker Hill, IN
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in September
Bunker Hill, IN

Average snowfall in September - Bunker Hill, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Bunker Hill, IN

Average snowfall days in September - Bunker Hill, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Bunker Hill, IN

Average daylight in September / Average sunshine in September - Bunker Hill, 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 18min).

  • Average sunshine in September: 8h and 1min

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

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Average sunshine days in September
Bunker Hill, IN

Average sunshine days in September - Bunker Hill, IN
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.4 days).

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Average UV index in September
Bunker Hill, IN

Average UV index in September - Bunker Hill, IN
  • Average UV index in September: 4

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

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Average cloud cover in September
Bunker Hill, IN

Average cloud cover in September - Bunker Hill, IN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June and July (Cloud cover 33).

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Average visibility in September
Bunker Hill, IN

Average visibility in September - Bunker Hill, IN
  • Average visibility in September: 6mi

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

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Bunker Hill, Indiana, USA

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