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
September indicates a minor shift in the average high-temperature, from August's tropical 89.2°F (31.8°C) to a warm 81.7°F (27.6°C). Halstead reports an average nighttime low-temperature of 62.2°F (16.8°C) in September.Heat index
The heat index value during September is evaluated at 84.2°F (29°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in September is 66%.Rainfall
In September, in Halstead, the rain falls for 12 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Halstead, Kansas, 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 September, sunrise is at 7:00 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm CDT.
Sunshine
In Halstead, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Halstead in September?
What is the average humidity in September in Halstead?
How much does it rain in September?
When it does not snow?
Does it snow in Halstead in September?
How many hours of daylight does Halstead have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
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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