Bloomington (IN)
September
Weather in Bloomington, Indiana for September 2027
Your guide to Bloomington weather in September - trends and predictions
In general, the average temperature in Bloomington at the beginning of September is 28.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.6 °C by the end of September.
Bloomington experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 189.8 mm.
Is September a good time to visit Bloomington? check out the best time to travel to Bloomington page.
✨ Is September a good time to visit Bloomington? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
27°/16°
Temperatures
13 km/h
Avg max wind
69 %
Avg humidity
Bloomington Weather September
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Temperatures trend during September in Bloomington
See the weather trend as well as the moving average line
September weather in Bloomington day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 30° /17° | 0.2 mm | 7 | |
| Sept. 2 |  Sunny | 29° /17° | 0 mm | 7 | |
| Sept. 3 |  Overcast | 28° /17° | 0 mm | 6 | |
| Sept. 4 |  Moderate rain | 29° /18° | 13.6 mm | 7 | |
| Sept. 5 |  Light rain | 31° /18° | 4 mm | 7 | |
| Sept. 6 | Light rain | 26° /15° | 4.1 mm | 6 | |
| Sept. 7 | Sunny | 24° /12° | 0 mm | 6 | |
| Sept. 8 | Sunny | 26° /10° | 0 mm | 6 | |
| Sept. 9 | Patchy rain possible | 27° /14° | 2.4 mm | 7 | |
| Sept. 10 | Patchy rain possible | 26° /16° | 2.2 mm | 5 | |
| Sept. 11 | Patchy rain possible | 28° /18° | 1 mm | 5 | |
| Sept. 12 | Light rain | 29° /17° | 5.1 mm | 5 | |
| Sept. 13 | Patchy rain possible | 27° /17° | 0.8 mm | 6 | |
| Sept. 14 | Light rain | 28° /17° | 4.4 mm | 7 | |
| Sept. 15 | Sunny | 31° /17° | 0.1 mm | 7 | |
| Sept. 16 | Sunny | 30° /18° | 0.8 mm | 5 | |
| Sept. 17 | Sunny | 29° /19° | 0.5 mm | 7 | |
| Sept. 18 | Patchy rain possible | 29° /18° | 1.5 mm | 6 | |
| Sept. 19 |  Partly cloudy | 30° /18° | 0.3 mm | 5 | |
| Sept. 20 | Partly cloudy | 30° /19° | 0.2 mm | 5 | |
| Sept. 21 | Moderate rain | 26° /18° | 16.6 mm | 5 | |
| Sept. 22 | Moderate rain | 23° /18° | 19.2 mm | 5 | |
| Sept. 23 | Moderate rain | 22° /17° | 13 mm | 4 | |
| Sept. 24 |  Heavy rain | 21° /16° | 69.9 mm | 4 | |
| Sept. 25 | Patchy rain possible | 22° /14° | 0.1 mm | 5 | |
| Sept. 26 | Patchy rain possible | 23° /12° | 0.4 mm | 5 | |
| Sept. 27 | Moderate rain | 23° /14° | 17.6 mm | 5 | |
| Sept. 28 | Moderate rain | 24° /15° | 11.5 mm | 6 | |
| Sept. 29 | Sunny | 25° /15° | 0.3 mm | 6 | |
| Sept. 30 |  Fog | 26° /17° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Bloomington 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 Bloomington forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bloomington in September - FAQ
What are the expected maximum and minimum temperatures in Bloomington 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 Bloomington during September?
Significant rainfall exceeding 189.8 mm is expected in Bloomington during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Bloomington during September?
The average wind speed in Bloomington during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Bloomington
Explore the daily rainfall trends and prepare for Bloomingtons September weather 💧
Typically, Bloomington has 8 rainy days in September with a total of 189.8 mm of rainfall.
UV exposure in Bloomington during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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