September weather forecast
Montpelier, IN

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Weather in September

September, the first month of the autumn in Montpelier, is still a warm month, with an average temperature varying between 56.3°F (13.5°C) and 74.1°F (23.4°C).

Temperature

The arrival of September denotes a barely perceptible change in the average high-temperatures to a still warm 74.1°F (23.4°C) from August's 79.2°F (26.2°C). During the month of September, the nighttime temperature falls to an average of 56.3°F (13.5°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Montpelier, during September, the rain falls for 12.4 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Montpelier, during the entire year, the rain falls for 137.2 days and collects up to 17.95" (456mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 27min.
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.

Sunshine

The average sunshine in September is 7.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Montpelier in September?

The average high-temperature and low-temperature during September are 74.1°F (23.4°C) and 56.3°F (13.5°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How many days does it rain in September?

In Montpelier, Indiana, during September, the rain falls for 12.4 days and regularly aggregates up to 1.3" (33mm) of precipitation.

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September in Montpelier?

In September, the average day length is 12h and 27min.

When are sunrise and sunset in September?

In September, on the first day of the month, 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 Montpelier?

The average sunshine duration in September is 7.9h.

How high is the UV index 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 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
Montpelier, IN

Average temperature in September - Montpelier, IN
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in September
Montpelier, IN

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

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

Average wind speed in September
Montpelier, IN

Average wind speed in September - Montpelier, IN
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in September
Montpelier, IN

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

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

Average rainfall in September
Montpelier, IN

Average rainfall in September - Montpelier, IN
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in September
Montpelier, IN

Average rainfall days in September - Montpelier, IN
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in September
Montpelier, IN

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

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

Average snowfall days in September
Montpelier, IN

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

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Montpelier, 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: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Montpelier, IN

Average sunshine days in September - Montpelier, IN
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September
Montpelier, IN

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

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

Average cloud cover in September
Montpelier, IN

Average cloud cover in September - Montpelier, IN
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in September
Montpelier, IN

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

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

Montpelier, Indiana, USA

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