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
As Manhattan enters September, the average high-temperature subtly lowers from the a hot 87.4°F (30.8°C) of August to a warm 79.7°F (26.5°C). Throughout the month of September, Manhattan observes an average nighttime temperature of 60.1°F (15.6°C).Humidity
The average relative humidity in September is 69%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 120.6 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
In Manhattan, snow does not fall in May through September.Daylight
In Manhattan, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:56 pm. On the last day of September, in Manhattan, sunrise is at 7:22 am and sunset at 7:09 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Manhattan have in September?
How high is the UV index in September?
Average temperature in September
Manhattan, KS
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
Manhattan, 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 (29.86"Hg).
Average wind speed in September
Manhattan, KS
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Manhattan, KS
- Average humidity in September: 69%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is October (64%).
Average rainfall in September
Manhattan, KS
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Manhattan, KS
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Manhattan, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Manhattan, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Manhattan, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Manhattan, KS
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Manhattan, 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, November and December (UV index 2).
Average cloud cover in September
Manhattan, KS
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June and August (Cloud cover 23).
Average visibility in September
Manhattan, 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).
Manhattan, Kansas, USA
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