Joplin (MO)
September
Weather in Joplin, Missouri for September 2026
Your guide to Joplin weather in September - trends and predictions
So far, September 2026 in Joplin shows a warmer trend than usual by 3.4 °F.
An exceptional deviation from the historical average is forecasted for next days of September 2026 in Joplin with the forecasted temperature being 25.1 °F, much lower than usual.
In general, the average temperature in Joplin at the beginning of September is 31.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.4 °F by the end of September.
The climate of Joplin in September is notably wet, with an average of 12 rainy days, and a total of 155.2 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
28°/16°
Temperatures
20 km/h
Avg max wind
67 %
Avg humidity
Joplin Weather September
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Temperatures trend during September in Joplin
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September weather in Joplin day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 33° /20° | 0 mm | 8 | |
| Sept. 2 | Sunny | 32° /19° | 0 mm | 8 | |
| Sept. 3 |  Partly cloudy | 31° /20° | 0 mm | 7 | |
| Sept. 4 | Sunny | 32° /19° | 1.9 mm | 8 | |
| Sept. 5 | Sunny | 30° /17° | 11.5 mm | 7 | |
| Sept. 6 | Partly cloudy | 31° /17° | 0.1 mm | 7 | |
| Sept. 7 | Sunny | 31° /14° | 0 mm | 8 | |
| Sept. 8 | Sunny | 31° /15° | 0 mm | 7 | |
| Sept. 9 | Sunny | 29° /17° | 3.7 mm | 7 | |
| Sept. 10 | Sunny | 28° /16° | 13.1 mm | 5 | |
| Sept. 11 |  Overcast | 33° /19° | 0 mm | 7 | |
| Sept. 12 | Sunny | 34° /19° | 2.5 mm | 8 | |
| Sept. 13 |  Cloudy | 31° /19° | 2.4 mm | 5 | |
| Sept. 14 |  Mist | 34° /19° | 0 mm | 7 | |
| Sept. 15 | Mist | 32° /21° | 1.1 mm | 7 | |
| Sept. 16 |  Patchy rain possible | 32° /21° | 1.7 mm | 7 | |
| Sept. 17 | Fog | 33° /19° | 0.1 mm | 7 | |
| Sept. 18 | Overcast | 32° /19° | 4 mm | 7 | |
| Sept. 19 | Sunny | 34° /19° | 0 mm | 8 | |
| Sept. 20 | Mist | 32° /20° | 6.1 mm | 5 | |
| Sept. 21 |  Thundery outbreaks possible | 29° /20° | 9.2 mm | 6 | |
| Sept. 22 | Overcast | 30° /18° | 4.3 mm | 7 | |
| Sept. 23 |  Moderate or heavy rain shower | 22° /16° | 31.6 mm | 5 | |
| Sept. 24 | Fog | 23° /15° | 28.7 mm | 3 | |
| Sept. 25 | Fog | 27° /14° | 0 mm | 4 | |
| Sept. 26 | Overcast | 30° /19° | 1.8 mm | 5.1 | |
| Sept. 27 | Patchy rain possible | 31° /19° | 5.2 mm | 6.2 | |
| Sept. 28 | Overcast | 32° /19° | 1.8 mm | 6.1 | |
| Sept. 29 | Light rain shower | 33° /21° | 11.3 mm | 5.7 | |
| Sept. 30 | Overcast | 30° /20° | 11.9 mm | 4.1 | |
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Important Notice
Our weather forecast for Joplin 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 Joplin forecast closer to your planned date for the most up-to-date weather information.
Change Month
Joplin in September - FAQ
What are the expected maximum and minimum temperatures in Joplin during September?
During September, expect a variety of temperatures with highs around 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Joplin during September?
Significant rainfall exceeding 155.2 mm is expected in Joplin during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Joplin during September?
The average wind speed in Joplin during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Joplin
Explore the daily rainfall trends and prepare for Joplins September weather 💧
Typically, Joplin has 12 rainy days in September with a total of 155.2 mm of rainfall.
UV exposure in Joplin during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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