September weather forecast
Glenwood, IN

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Weather in September

September, the first month of the autumn in Glenwood, is still a warm month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 75.2°F (24°C).

Temperature

September is marked by an average high-temperature of a still warm 75.2°F (24°C), almost identical to the preceding month. In the month of September, Glenwood witnesses a consistent average low-temperature of 57°F (13.9°C).

Humidity

In Glenwood, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.3 days and typically collects 2.13" (54mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Glenwood, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 7:10 am and sunset at 8:11 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 8.2h.

UV index

In Glenwood, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Around midday, solar radiation is most harmful; hence, exposure should be limited. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

An average high-temperature, in September, in Glenwood, is 75.2°F (24°C) and the average low-temperature is 57°F (13.9°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 87.8°F (31°C).

What is the average humidity in September?

In Glenwood, the average relative humidity in September is 78%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 14.3 days and typically collects 2.13" (54mm) of precipitation.

How much does it rain in September?

In Glenwood, during September, the rain falls for 14.3 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:11 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 Glenwood, the average sunshine duration in September is 8.2h.

What is the UV index reading 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
Glenwood, IN

Average temperature in September - Glenwood, IN
  • Average high temperature in September: 75.2°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 (33.8°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Glenwood, IN

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

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

Average wind speed in September
Glenwood, IN

Average wind speed in September - Glenwood, IN
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in September
Glenwood, IN

Average humidity in September - Glenwood, IN
  • Average humidity in September: 78%

The months with the highest relative humidity are January, July and December (82%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in September
Glenwood, IN

Average rainfall in September - Glenwood, IN
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in September
Glenwood, IN

Average rainfall days in September - Glenwood, IN
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (9.1 days).

Average snowfall in September
Glenwood, IN

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

The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Glenwood, IN

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Glenwood, 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 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 42min).

Average sunshine days in September
Glenwood, IN

Average sunshine days in September - Glenwood, IN
  • Average sunshine days in September: 13.8 days

The months with the most sunshine days are October and November (15.7 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in September
Glenwood, IN

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

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

Average cloud cover in September
Glenwood, IN

Average cloud cover in September - Glenwood, IN
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Glenwood, IN

Average visibility in September - Glenwood, IN
  • Average visibility in September: 6mi

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

Glenwood, Indiana, USA

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