Riley County (Manhattan)
September
Weather in Riley County, Kansas for September 2027
Your guide to Riley County weather in September - trends and predictions
The climate of Riley County in September is notably wet, with an average of 11 rainy days, and a total of 135.8 mm of precipitation.
Is September a good time to visit Riley County? check out the best time to travel to Riley County page.
✨ Is September a good time to visit Riley County? – Ask the AI Weatherman
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
29°/17°
Temperatures
23 km/h
Avg max wind
72 %
Avg humidity
Riley County Weather September
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Temperatures trend during September in Riley County
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September weather in Riley County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain | 29° /19° | 6.2 mm | 5 | |
| Sept. 2 |  Mist | 32° /20° | 0 mm | 7 | |
| Sept. 3 | Fog | 33° /19° | 0 mm | 8 | |
| Sept. 4 | Fog | 33° /19° | 0 mm | 7 | |
| Sept. 5 |  Patchy rain possible | 28° /19° | 1.7 mm | 4 | |
| Sept. 6 | Mist | 32° /14° | 0.3 mm | 8 | |
| Sept. 7 | Mist | 33° /15° | 0 mm | 8 | |
| Sept. 8 |  Moderate rain | 30° /20° | 13.9 mm | 6 | |
| Sept. 9 | Light rain | 29° /18° | 7.2 mm | 5 | |
| Sept. 10 |  Thundery outbreaks possible | 28° /19° | 0.6 mm | 4 | |
| Sept. 11 |  Cloudy | 33° /18° | 0 mm | 7.6 | |
| Sept. 12 | Light rain | 32° /20° | 9.5 mm | 7 | |
| Sept. 13 | Patchy rain possible | 30° /17° | 1.7 mm | 5 | |
| Sept. 14 | Patchy rain possible | 31° /20° | 2.1 mm | 5 | |
| Sept. 15 | Moderate rain | 31° /18° | 14.3 mm | 4 | |
| Sept. 16 | Thundery outbreaks possible | 32° /17° | 3.8 mm | 5 | |
| Sept. 17 | Mist | 33° /21° | 0.1 mm | 7 | |
| Sept. 18 |  Moderate or heavy rain shower | 30° /23° | 9.2 mm | 5 | |
| Sept. 19 | Moderate rain | 32° /17° | 12.3 mm | 6 | |
| Sept. 20 | Light rain | 21° /17° | 3.2 mm | 2 | |
| Sept. 21 | Fog | 24° /17° | 0 mm | 4 | |
| Sept. 22 | Moderate or heavy rain shower | 26° /15° | 6.9 mm | 6 | |
| Sept. 23 | Moderate rain | 22° /15° | 11.4 mm | 2 | |
| Sept. 24 |  Overcast | 23° /15° | 0.9 mm | 3 | |
| Sept. 25 | Light rain | 25° /14° | 7.3 mm | 4 | |
| Sept. 26 | Light rain | 28° /15° | 5.8 mm | 4 | |
| Sept. 27 | Cloudy | 28° /17° | 0.9 mm | 5 | |
| Sept. 28 | Mist | 26° /14° | 0.2 mm | 3 | |
| Sept. 29 | Light rain | 27° /17° | 7.7 mm | 3 | |
| Sept. 30 | Light rain | 25° /17° | 8.6 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for Riley County 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 Riley County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Riley County in September - FAQ
What are the expected maximum and minimum temperatures in Riley County during September?
During September, expect a variety of temperatures with highs around 29° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Riley County during September?
Significant rainfall exceeding 135.8 mm is expected in Riley County during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Riley County during September?
The average wind speed in Riley County during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Riley County
Explore the daily rainfall trends and prepare for Riley Countys September weather 💧
Typically, Riley County has 11 rainy days in September with a total of 135.8 mm of rainfall.
UV exposure in Riley County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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