September weather forecastHavana, KS
September
Weather in September
The first month of the autumn, September, is still a warm month in Havana, Kansas, with an average temperature varying between 62.2°F (16.8°C) and 81.5°F (27.5°C).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a hot 88.3°F (31.3°C) in August to a warm 81.5°F (27.5°C). Nighttime temperature experiences an average drop to an enjoyable 62.2°F (16.8°C) in September.Heat index
The heat index value during September is appraised at a tropical 86°F (30°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.One should consider that heat index numbers are for shaded settings and light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in September is 72%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. In Havana, during the entire year, the rain falls for 120.1 days and collects up to 22.64" (575mm) of precipitation.Snowfall
In Havana, snow does not fall in April through October.Daylight
In Havana, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:08 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Havana, KS
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in September
Havana, KS
- Average pressure in September: 29.99"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
Havana, KS
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Havana, KS
- Average humidity in September: 72%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Havana, KS
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in September
Havana, KS
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Havana, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Havana, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Havana, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Havana, KS
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Havana, 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 and December (UV index 2).
Average cloud cover in September
Havana, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Havana, 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).
