Weather in Kusatsu for September 2027
In general, the average temperature in Kusatsu at the beginning of September is 24.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of September.
Kusatsu experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 219.5 mm.
Is September a good time to visit Kusatsu? check out the best time to travel to Kusatsu page.
✨ Is September a good time to visit Kusatsu? – Ask the AI Weatherman
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Kusatsu Weather September
Temperatures trend during September in Kusatsu
September weather in Kusatsu day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 27° /18° | 1.3 mm | 5 | |
| 2 Sept. |  Light rain | 29° /18° | 4.3 mm | 5 | |
| 3 Sept. |  Moderate rain | 24° /17° | 12.7 mm | 4 | |
| 4 Sept. | Light rain | 22° /16° | 7 mm | 4 | |
| 5 Sept. | Moderate rain | 22° /16° | 19.3 mm | 4 | |
| 6 Sept. | Light rain | 23° /16° | 7.1 mm | 5 | |
| 7 Sept. |  Heavy rain | 25° /16° | 31.4 mm | 4 | |
| 8 Sept. | Moderate rain | 24° /18° | 17.2 mm | 4 | |
| 9 Sept. | Moderate rain | 24° /17° | 15 mm | 4 | |
| 10 Sept. | Light rain | 21° /16° | 6.9 mm | 4 | |
| 11 Sept. | Moderate rain | 22° /16° | 11.9 mm | 4 | |
| 12 Sept. | Light rain | 21° /17° | 6 mm | 4 | |
| 13 Sept. | Light rain | 23° /17° | 5.3 mm | 4 | |
| 14 Sept. | Light rain | 26° /17° | 3.9 mm | 5 | |
| 15 Sept. | Light rain | 24° /18° | 4.4 mm | 4 | |
| 16 Sept. | Moderate rain | 23° /17° | 13.3 mm | 4 | |
| 17 Sept. | Light rain | 25° /17° | 4.2 mm | 4 | |
| 18 Sept. | Light rain | 24° /15° | 3.9 mm | 5 | |
| 19 Sept. | Light rain shower | 20° /14° | 1.9 mm | 3 | |
| 20 Sept. | Light rain | 21° /16° | 5.1 mm | 4 | |
| 21 Sept. | Light rain | 21° /16° | 5.7 mm | 4 | |
| 22 Sept. | Light rain shower | 22° /13° | 1.7 mm | 5 | |
| 23 Sept. | Patchy rain possible | 18° /13° | 0.8 mm | 4 | |
| 24 Sept. |  Fog | 18° /11° | 0.3 mm | 3 | |
| 25 Sept. |  Partly cloudy | 21° /11° | 0 mm | 4 | |
| 26 Sept. | Light rain | 21° /14° | 7.8 mm | 4 | |
| 27 Sept. | Light rain shower | 21° /13° | 1.2 mm | 4 | |
| 28 Sept. | Moderate rain | 20° /14° | 10.1 mm | 3 | |
| 29 Sept. | Light rain | 18° /12° | 9.2 mm | 3 | |
| 30 Sept. | Fog | 17° /11° | 0.7 mm | 3 | |
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Kusatsu weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 26°/18° | 22°/15° | 16°/9° |
| Rainfall | 220 mm | 220 mm | 109 mm |
| Wind | 8.6 km/h | 8.7 km/h | 9 km/h |
| Humidity | 85% | 88% | 83% |
| Rainy days | 25 days | 21 days | 12 days |
| Dry days | 6 days | 9 days | 19 days |
Planning a trip to Kusatsu? Discover the best time to visit
Kusatsu in September - FAQ
What are the expected maximum and minimum temperatures in Kusatsu during September?
How much rainfall should be expected in Kusatsu during September?
What are the typical wind conditions in Kusatsu during September?
September rainfall patterns in Kusatsu
UV exposure in Kusatsu during September
What to pack to Kusatsu in September?
Mild · highs around 22 °C, frequent showers
As you prepare for your trip to Kusatsu in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Kusatsu, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Kusatsu?Get accurate weather forecasts for Kusatsu, located at latitude 36.617 and longitude 138.6. Stay updated with localized weather information tailored for Kusatsu.