Marion (Happy Valley)
September
Weather in Marion for September 2025
Your guide to Marion weather in September - trends and predictions
In general, the average temperature in Marion at the beginning of September is 16 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.9 °C by the end of September.
Marion experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 48.3 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
16°/10°
Temperatures
24 km/h
Avg max wind
68 %
Avg humidity
Marion in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | 2 14° | 3  16° | 4  19° | 5 17° | 6 19° | 7  13° |
| 8 13° | 9 13° | 10  15° | 11 15° | 12 16° | 13 17° | 14 18° |
| 15 14° | 16 16° | 17 16° | 18 18° | 19 15° | 20 14° | 21 15° |
| 22 15° | 23 16° | 24 20° | 25 16° | 26 15° | 27  17° | 28 20° |
| 29 18° | 30 19° |
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Temperatures trend during September in Marion
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 |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 14° /10° | 1.1 mm | 5 | |
| 2 Sept. | Overcast | 14° /8° | 0.1 mm | 5 | |
| 3 Sept. | Partly cloudy | 16° /9° | 0 mm | 6 | |
| 4 Sept. | Patchy light rain | 19° /10° | 3.7 mm | 6 | |
| 5 Sept. | Overcast | 17° /11° | 0.4 mm | 5 | |
| 6 Sept. | Partly cloudy | 19° /9° | 6.3 mm | 6 | |
| 7 Sept. | Light rain shower | 13° /9° | 21.7 mm | 4 | |
| 8 Sept. | Light rain shower | 13° /9° | 8 mm | 4 | |
| 9 Sept. | Overcast | 13° /8° | 0.3 mm | 4 | |
| 10 Sept. | Sunny | 15° /7° | 0 mm | 5 | |
| 11 Sept. | Partly cloudy | 15° /8° | 0.3 mm | 5 | |
| 12 Sept. | Sunny | 16° /9° | 0 mm | 6 | |
| 13 Sept. | Overcast | 17° /9° | 0 mm | 5 | |
| 14 Sept. | Overcast | 18° /10° | 0.1 mm | 5 | |
| 15 Sept. | Partly cloudy | 14° /8° | 0 mm | 6 | |
| 16 Sept. | Sunny | 16° /7° | 0 mm | 6 | |
| 17 Sept. | Partly cloudy | 16° /8° | 0 mm | 6 | |
| 18 Sept. | Overcast | 18° /9° | 0 mm | 6 | |
| 19 Sept. | Sunny | 15° /11° | 0.5 mm | 5 | |
| 20 Sept. | Patchy rain possible | 14° /11° | 2 mm | 4 | |
| 21 Sept. | Patchy rain possible | 15° /9° | 1.1 mm | 5 | |
| 22 Sept. | Overcast | 15° /8° | 0.5 mm | 5 | |
| 23 Sept. | Sunny | 16° /9° | 0 mm | 5 | |
| 24 Sept. | Partly cloudy | 20° /12° | 0.1 mm | 6 | |
| 25 Sept. | Sunny | 16° /10° | 0.5 mm | 5 | |
| 26 Sept. | Overcast | 15° /7° | 0.2 mm | 5 | |
| 27 Sept. | Cloudy | 17° /7° | 0 mm | 6 | |
| 28 Sept. | Sunny | 20° /11° | 0.6 mm | 6 | |
| 29 Sept. | Sunny | 18° /12° | 0.6 mm | 6 | |
| 30 Sept. | Sunny | 19° /13° | 0.3 mm | 6 | |
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Important Notice
Our weather forecast for Marion 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 Marion forecast closer to your planned date for the most up-to-date weather information.
Marion in September - FAQ
What are the expected maximum and minimum temperatures in Marion during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Marion during September?
In September, Marion can expect light to moderate rainfall, totaling 48.3 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Marion during September?
The average wind speed in Marion during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Marion
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