Manhattan (KS)
September
Weather in Manhattan, Kansas for September 2026
Your guide to Manhattan weather in September - trends and predictions
So far, September 2026 in Manhattan shows a warmer trend than usual by 4.3 °F.
Expect cooler weather in the next days in Manhattan with the forecast suggesting a temperature of 28.6 °F, lower than the historical average.
In general, the average temperature in Manhattan at the beginning of September is 31.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.1 °F by the end of September.
Manhattan experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 113.9 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
27°/16°
Temperatures
23 km/h
Avg max wind
76 %
Avg humidity
Manhattan Weather September
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Temperatures trend during September in Manhattan
See the weather trend as well as the moving average line
September weather in Manhattan day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 29° /19° | 6.2 mm | 5 | |
| Sept. 2 |  Mist | 32° /19° | 0 mm | 7 | |
| Sept. 3 | Fog | 33° /19° | 0 mm | 8 | |
| Sept. 4 | Fog | 33° /18° | 0 mm | 7 | |
| Sept. 5 |  Moderate rain at times | 28° /18° | 1.7 mm | 4 | |
| Sept. 6 | Mist | 32° /14° | 0.3 mm | 8 | |
| Sept. 7 | Mist | 33° /14° | 0 mm | 8 | |
| Sept. 8 |  Moderate rain | 30° /19° | 13.9 mm | 6 | |
| Sept. 9 | Light rain shower | 29° /18° | 7.2 mm | 5 | |
| Sept. 10 |  Thundery outbreaks possible | 28° /18° | 0.6 mm | 4 | |
| Sept. 11 |  Cloudy | 33° /17° | 0 mm | 8 | |
| Sept. 12 |  Sunny | 32° /19° | 9.5 mm | 7 | |
| Sept. 13 | Sunny | 30° /17° | 1.7 mm | 5 | |
| Sept. 14 |  Overcast | 31° /19° | 2.1 mm | 5 | |
| Sept. 15 | Cloudy | 31° /18° | 14.3 mm | 4 | |
| Sept. 16 | Light rain shower | 28° /17° | 6.7 mm | 5 | |
| Sept. 17 | Sunny | 34° /25° | 0 mm | 7 | |
| Sept. 18 | Sunny | 35° /26° | 0 mm | 6.8 | |
| Sept. 19 | Light rain shower | 34° /22° | 10 mm | 7.1 | |
| Sept. 20 | Light rain shower | 25° /19° | 5.1 mm | 5 | |
| Sept. 21 | Sunny | 25° /19° | 0 mm | 7 | |
| Sept. 22 | Sunny | 29° /17° | 0 mm | 6 | |
| Sept. 23 | Sunny | 28° /19° | 1 mm | 6 | |
| Sept. 24 | Sunny | 22° /13° | 0 mm | 6 | |
| Sept. 25 | Sunny | 26° /13° | 0 mm | 7 | |
| Sept. 26 | Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 27 | Sunny | 31° /20° | 0 mm | 8 | |
| Sept. 28 | Sunny | 31° /19° | 0 mm | 8 | |
| Sept. 29 | Overcast | 23° /14° | 0 mm | 5 | |
| Sept. 30 | Overcast | 27° /15° | 0 mm | 2 | |
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Important Notice
Our weather forecast for Manhattan in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Manhattan forecast closer to your planned date for the most up-to-date weather information.
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Manhattan in September - FAQ
What are the expected maximum and minimum temperatures in Manhattan during September?
During September, expect a variety of temperatures with highs around 27° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Manhattan during September?
Significant rainfall exceeding 113.9 mm is expected in Manhattan during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Manhattan during September?
The average wind speed in Manhattan during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Manhattan
Explore the daily rainfall trends and prepare for Manhattans September weather 💧
Typically, Manhattan has 9 rainy days in September with a total of 113.9 mm of rainfall.
UV exposure in Manhattan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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