Buffalo
September
Weather in Buffalo for September 2025
Your guide to Buffalo weather in September - trends and predictions
In general, the average temperature in Buffalo at the beginning of September is 26.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22 °F by the end of September.
Buffalo sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
24°/13°
Temperatures
14 km/h
Avg max wind
70 %
Avg humidity
Buffalo in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  22° | 3  25° | 4 28° | 5 30° | 6  30° | 7 22° |
| 8  22° | 9  22° | 10 22° | 11 25° | 12 26° | 13 23° | 14 24° |
| 15 25° | 16 25° | 17 23° | 18 23° | 19 22° | 20  25° | 21 27° |
| 22 26° | 23 21° | 24 22° | 25 23° | 26 22° | 27 22° | 28 20° |
| 29 22° | 30 23° |
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Temperatures trend during September in Buffalo
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Partly cloudy | 26° /14° | 0.6 mm | 7 | |
| Sept. 2 | Overcast | 22° /14° | 0 mm | 5 | |
| Sept. 3 | Cloudy | 25° /14° | 0 mm | 6 | |
| Sept. 4 | Overcast | 28° /17° | 0 mm | 7 | |
| Sept. 5 | Partly cloudy | 30° /17° | 0 mm | 8 | |
| Sept. 6 | Thundery outbreaks possible | 30° /18° | 0.5 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 22° /14° | 8.4 mm | 5 | |
| Sept. 8 | Light rain shower | 22° /13° | 2.4 mm | 5 | |
| Sept. 9 | Mist | 22° /14° | 0.9 mm | 5 | |
| Sept. 10 | Light rain shower | 22° /14° | 7.9 mm | 5 | |
| Sept. 11 | Mist | 25° /14° | 0 mm | 7 | |
| Sept. 12 | Overcast | 26° /15° | 1.6 mm | 6 | |
| Sept. 13 | Overcast | 23° /13° | 0 mm | 6 | |
| Sept. 14 | Mist | 24° /13° | 0 mm | 6 | |
| Sept. 15 | Mist | 25° /13° | 0 mm | 6 | |
| Sept. 16 | Mist | 25° /13° | 0 mm | 6 | |
| Sept. 17 | Mist | 23° /15° | 0 mm | 5 | |
| Sept. 18 | Patchy rain possible | 23° /13° | 0.7 mm | 6 | |
| Sept. 19 | Mist | 22° /13° | 0 mm | 5 | |
| Sept. 20 | Sunny | 25° /12° | 0 mm | 6 | |
| Sept. 21 | Mist | 27° /15° | 3 mm | 6 | |
| Sept. 22 | Partly cloudy | 26° /13° | 0 mm | 7 | |
| Sept. 23 | Overcast | 21° /14° | 0 mm | 5 | |
| Sept. 24 | Overcast | 22° /13° | 1.6 mm | 5 | |
| Sept. 25 | Mist | 23° /14° | 1.2 mm | 5 | |
| Sept. 26 | Mist | 22° /14° | 0 mm | 5 | |
| Sept. 27 | Overcast | 22° /11° | 0 mm | 5 | |
| Sept. 28 | Patchy rain possible | 20° /14° | 0.3 mm | 5 | |
| Sept. 29 | Patchy rain possible | 22° /16° | 0.2 mm | 5 | |
| Sept. 30 | Overcast | 23° /14° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Buffalo 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 Buffalo forecast closer to your planned date for the most up-to-date weather information.
Buffalo in September - FAQ
What are the expected maximum and minimum temperatures in Buffalo during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Buffalo during September?
In September, Buffalo can expect light to moderate rainfall, totaling 39.5 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Buffalo during September?
The average wind speed in Buffalo during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Buffalo
Explore the daily rainfall trends and prepare for Buffalos September weather 💧
UV exposure in Buffalo during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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