September weather forecast
Terre Haute, IN

englishespañol中文
Share

Weather in September

September ushers in signs of fall in Terre Haute with a considerable drop in temperatures compared to the summer months. A decrease to the summer heat is observed, with temperatures cooling down and rainfall downturning to 1.81in. With the arrival of fall, leaves begin changing color, painting the city in hues of red, yellow, and orange. This time of the year is particularly picturesque, and the pleasant weather makes it a great period for sightseeing and strolls around the city.

Temperature

Terre Haute indicates an average high-temperature of a still moderately hot 77.4°F (25.2°C) in September, showing minor variation from August's 81.7°F (27.6°C). In September, the recorded average low-temperature in Terre Haute is a mild 58.6°F (14.8°C).

Humidity

The average relative humidity in September in Terre Haute, Indiana, is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.81" (46mm) of precipitation.

Snowfall

In Terre Haute, snow does not fall in May through October.

Daylight

In September, the average length of the day in Terre Haute is 12h and 26min.
On the first day of September, sunrise is at 7:18 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:33 pm EDT.

Sunshine

In Terre Haute, the average sunshine in September is 8.4h.

UV index

In Terre Haute, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
[Resources]

Frequently asked questions

What is the temperature in September in Terre Haute?

The average high-temperature, in September, in Terre Haute, is 77.4°F (25.2°C), while the average low-temperature is 58.6°F (14.8°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in September in Terre Haute?

The average relative humidity in September in Terre Haute is 76%.

What is the driest month in Terre Haute?

The month with the least rainfall in Terre Haute is September, when the rain falls for 12.5 days and typically collects 1.81" (46mm) of precipitation.

How much does it rain in Terre Haute in September?

In Terre Haute, Indiana, during September, the rain falls for 12.5 days and regularly aggregates up to 1.81" (46mm) of precipitation.

When it does not snow in Terre Haute?

In Terre Haute, snow does not fall in May through October.

What is the average length of the day in September in Terre Haute?

The average day length in September in Terre Haute is 12h and 26min.

When are sunrise and sunset in September in Terre Haute?

In September, on the first day of the month, sunrise is at 7:18 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Terre Haute have in September?

In Terre Haute, the average sunshine duration in September is 8.4h.

How high is the UV index in September in Terre Haute?

The average daily maximum UV index in September in Terre Haute, Indiana, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Terre Haute, IN

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

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

[Resources]

Average pressure in September
Terre Haute, IN

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in September
Terre Haute, IN

Average wind speed in September - Terre Haute, IN
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

[Resources]

Average humidity in September
Terre Haute, IN

Average humidity in September - Terre Haute, IN
  • Average humidity in September: 76%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in September
Terre Haute, IN

Average rainfall in September - Terre Haute, IN
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is April (4.96").
The driest month (with the least rainfall) is September (1.81").

[Resources]

Average rainfall days in September
Terre Haute, IN

Average rainfall days in September - Terre Haute, IN
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is January (8.2 days).

[Resources]

Average snowfall in September
Terre Haute, IN

Average snowfall in September - Terre Haute, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Terre Haute, IN

Average snowfall days in September - Terre Haute, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Terre Haute, IN

Average daylight in September / Average sunshine in September - Terre Haute, 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 24min).

  • Average sunshine in September: 8h and 2min

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

[Resources]

Average sunshine days in September
Terre Haute, IN

Average sunshine days in September - Terre Haute, IN
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (7.9 days).

[Resources]

Average UV index in September
Terre Haute, IN

Average UV index in September - Terre Haute, IN
  • Average UV index in September: 5

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

[Resources]

Average cloud cover in September
Terre Haute, IN

Average cloud cover in September - Terre Haute, IN
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June, August and September (Cloud cover 32).

[Resources]

Average visibility in September
Terre Haute, IN

Average visibility in September - Terre Haute, IN
  • Average visibility in September: 6mi

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

[Resources]

Terre Haute, Indiana, USA

Weather forecast for your location

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