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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a tropical 89.2°F (31.8°C) in August to a moderately hot 81.7°F (27.6°C). During September, Halstead witnesses a consistent average low-temperature of 62.2°F (16.8°C).Heat index
Throughout September, the heat index is estimated at 84.2°F (29°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Heat index determinations are made taking into account the shade and light air movements. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In September, the average relative humidity is 66%.Rainfall
In Halstead, in September, during 12 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Halstead, during the entire year, the rain falls for 115.2 days and collects up to 23.27" (591mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:14 pm CDT.
Sunshine
In September, the average sunshine in Halstead is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What are September temperatures in Halstead?
What is the average humidity in September in Halstead?
How many days does it rain in September in Halstead?
When it does not snow in Halstead?
Does it snow in Halstead in September?
How many hours of daylight does Halstead have in September?
What time are sunrise and sunset in September in Halstead?
How many hours of sunshine does Halstead have in September?
What is the UV index reading in September in Halstead?
Average temperature in September
Halstead, KS
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Halstead, KS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Halstead, KS
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is April (12.8mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Halstead, KS
- Average humidity in September: 66%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is July (61%).
Average rainfall in September
Halstead, KS
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Halstead, KS
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in September
Halstead, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Halstead, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Halstead, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Halstead, KS
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in September
Halstead, KS
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Halstead, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 22).
Average visibility in September
Halstead, KS
- 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).
Halstead, Kansas, USA
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