Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a hot 94.6°F (34.8°C) to a moderately hot 85.8°F (29.9°C). An average minimum temperature of 67.8°F (19.9°C) is recorded in Muenster during the month of September.Heat index
The heat index value for September is evaluated at a hot 93.2°F (34°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 65%.Rainfall
In September, in Muenster, the rain falls for 12.5 days. Throughout September, 2.83" (72mm) of precipitation is accumulated. Throughout the year, in Muenster, there are 128.7 rainfall days, and 26.1" (663mm) of precipitation is accumulated.Snowfall
In Muenster, snow does not fall in April through October.Daylight
In Muenster, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:14 pm CDT.
Sunshine
In Muenster, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Muenster, Texas, is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Muenster?
What is the average humidity in September in Muenster?
How many days does it rain in September in Muenster?
When it does not snow in Muenster?
What is the average length of the day in September in Muenster?
When is the sunrise / sunset in September in Muenster?
How long on average sun shines in September in Muenster?
What is the UV index reading in September in Muenster?
Average temperature in September
Muenster, TX
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 67.8°F
The months with the highest average low temperature are July and August (73.9°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Muenster, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Muenster, TX
- Average wind speed in September: 7.2mph
The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).
Average humidity in September
Muenster, TX
- Average humidity in September: 65%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Muenster, TX
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
Muenster, TX
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Muenster, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Muenster, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Muenster, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Muenster, TX
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Muenster, 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 2).
Average cloud cover in September
Muenster, TX
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Muenster, TX
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Muenster, Texas, USA
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