September weather forecast
New Ulm, TX

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Weather in September

September, the first month of the autumn in New Ulm, is still a tropical month, with an average temperature ranging between min 71.4°F (21.9°C) and max 88.3°F (31.3°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a sweltering 95°F (35°C) in August to a tropical 88.3°F (31.3°C). New Ulm, during September, witnesses an average low-temperature of 71.4°F (21.9°C).

Heat index

The heat index for September is evaluated at a blisteringly hot 104°F (40°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In New Ulm, in September, it is raining for 18.3 days, with typically 3.39" (86mm) of accumulated precipitation. In New Ulm, during the entire year, the rain falls for 163.7 days and collects up to 29.37" (746mm) of precipitation.

Snowfall

March through November are months without snowfall in New Ulm.

Daylight

In New Ulm, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 7:03 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:12 pm CDT.

Sunshine

In New Ulm, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September in New Ulm, Texas, is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in New Ulm in September?

An average high-temperature, in September, in New Ulm, is 88.3°F (31.3°C) and the average low-temperature is 71.4°F (21.9°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 104°F (40°C).

What is the average humidity in September in New Ulm?

In September, the average relative humidity in New Ulm is 75%.

How much does it rain in New Ulm in September?

In New Ulm, Texas, in September, it is raining for 18.3 days, with typically 3.39" (86mm) of accumulated precipitation.

When it does not snow in New Ulm?

March through November are months without snowfall in New Ulm.

What is the average length of the day in September in New Ulm?

The average day length in September is 12h and 20min.

When are sunrise and sunset in September in New Ulm?

In September, on the first day of the month, sunrise is at 7:03 am and sunset at 7:47 pm. On the last day of the month, in New Ulm, sunrise is at 7:19 am and sunset at 7:12 pm CDT.

How many hours of sunshine does New Ulm have in September?

The average sunshine duration in September is 8.3h.

What is the UV index intensity in September in New Ulm?

The average daily maximum UV index in September in New Ulm, Texas, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe 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
New Ulm, TX

Average temperature in September - New Ulm, TX
  • Average high temperature in September: 88.3°F

The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in September: 71.4°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in September
New Ulm, TX

Average pressure in September - New Ulm, TX
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
New Ulm, TX

Average wind speed in September - New Ulm, TX
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).

Average humidity in September
New Ulm, TX

Average humidity in September - New Ulm, TX
  • Average humidity in September: 75%

The months with the highest relative humidity are March, May and June (78%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September
New Ulm, TX

Average rainfall in September - New Ulm, TX
  • Average rainfall in September: 3.39"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.34").

Average rainfall days in September
New Ulm, TX

Average rainfall days in September - New Ulm, TX
  • Average rainfall days in September: 18.3 days

The month with the highest number of rainy days is September (18.3 days).
The month with the least rainy days is January (10.4 days).

Average snowfall in September
New Ulm, TX

Average snowfall in September - New Ulm, TX
  • Average snowfall in September: 0"

The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
New Ulm, TX

Average snowfall days in September - New Ulm, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
New Ulm, TX

Average daylight in September / Average sunshine in September - New Ulm, TX
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in September
New Ulm, TX

Average sunshine days in September - New Ulm, TX
  • Average sunshine days in September: 9.1 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is September (9.1 days).

Average UV index in September
New Ulm, TX

Average UV index in September - New Ulm, TX
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in September
New Ulm, TX

Average cloud cover in September - New Ulm, TX
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
New Ulm, TX

Average visibility in September - New Ulm, TX
  • Average visibility in September: 6mi

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

New Ulm, Texas, USA

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