September weather forecast
Saint Paul, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Saint Paul, Indiana, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 75.9°F (24.4°C).

Temperature

September signifies a gentle decline in Saint Paul's average high-temperature, easing from 81.3°F (27.4°C) in August to a still warm 75.9°F (24.4°C). Saint Paul records an average low of 58.1°F (14.5°C) throughout the nights in September.

Humidity

The average relative humidity in September in Saint Paul, Indiana, is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

In Saint Paul, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:11 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:26 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In Saint Paul, Indiana, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Saint Paul in September?

The high-temperature, in September, in Saint Paul, records 75.9°F (24.4°C), while the low-temperature is 58.1°F (14.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 13.9 days. Throughout September, 2.17" (55mm) of precipitation is accumulated.

When it does not snow?

In Saint Paul, snow does not fall in May through October.

How many hours of daylight does Saint Paul have in September?

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

When are sunrise and sunset in September in Saint Paul?

On the first day of September, sunrise is at 7:11 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:26 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration in Saint Paul is 8.3h.

How high is the UV index in September?

In Saint Paul, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes 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
Saint Paul, IN

Average temperature in September - Saint Paul, IN
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in September
Saint Paul, IN

Average pressure in September - Saint Paul, 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
Saint Paul, IN

Average wind speed in September - Saint Paul, IN
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in September
Saint Paul, IN

Average humidity in September - Saint Paul, IN
  • Average humidity in September: 77%

The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Saint Paul, IN

Average rainfall in September - Saint Paul, IN
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in September
Saint Paul, IN

Average rainfall days in September - Saint Paul, IN
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in September
Saint Paul, IN

Average snowfall in September - Saint Paul, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Saint Paul, IN

Average snowfall days in September - Saint Paul, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Saint Paul, IN

Average daylight in September / Average sunshine in September - Saint Paul, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Saint Paul, IN

Average sunshine days in September - Saint Paul, IN
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in September
Saint Paul, IN

Average UV index in September - Saint Paul, 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).

Average cloud cover in September
Saint Paul, IN

Average cloud cover in September - Saint Paul, IN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Saint Paul, IN

Average visibility in September - Saint Paul, IN
  • Average visibility in September: 6mi

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

Saint Paul, Indiana, USA

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