Nikkō
September
Weather in Nikkō for September 2025
Your guide to Nikkō weather in September - trends and predictions
In general, the average temperature in Nikkō at the beginning of September is 27.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22 °C by the end of September.
Nikkō experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Nikkō? check out the best time to travel to Nikkō page.
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Temperatures
Rain 🌧️
More
3
Dry days
27
Rainy days
0
Snow days
26°/17°
Temperatures
8 km/h
Avg max wind
86 %
Avg humidity
Nikkō in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 30° | 3 24° | 4 25° | 5 28° | 6 29° | 7 28° |
| 8 27° | 9 27° | 10 28° | 11 30° | 12 29° | 13  29° | 14 25° |
| 15 28° | 16 21° | 17 29° | 18 29° | 19  24° | 20 30° | 21 21° |
| 22  24° | 23 20° | 24 20° | 25 22° | 26 25° | 27 25° | 28 23° |
| 29 18° | 30 21° |
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Temperatures trend during September in Nikkō
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. | Light rain shower | 29° /20° | 6.6 mm | 6 | |
| 2 Sept. | Light rain shower | 30° /20° | 9.7 mm | 7 | |
| 3 Sept. | Light rain shower | 24° /19° | 23 mm | 5 | |
| 4 Sept. | Light rain shower | 25° /17° | 1.2 mm | 6 | |
| 5 Sept. | Patchy rain possible | 28° /17° | 0.1 mm | 6 | |
| 6 Sept. | Patchy rain possible | 29° /19° | 3.3 mm | 6 | |
| 7 Sept. | Light rain shower | 28° /20° | 7.8 mm | 6 | |
| 8 Sept. | Light rain shower | 27° /20° | 24.8 mm | 6 | |
| 9 Sept. | Light rain shower | 27° /18° | 7.6 mm | 6 | |
| 10 Sept. | Patchy rain possible | 28° /18° | 0.4 mm | 6 | |
| 11 Sept. | Light rain shower | 30° /19° | 8.4 mm | 7 | |
| 12 Sept. | Light rain shower | 29° /19° | 11.8 mm | 6 | |
| 13 Sept. | Moderate or heavy rain shower | 29° /21° | 16.3 mm | 6 | |
| 14 Sept. | Light rain shower | 25° /20° | 9.2 mm | 6 | |
| 15 Sept. | Light rain shower | 28° /20° | 13.3 mm | 6 | |
| 16 Sept. | Light rain shower | 21° /18° | 6.5 mm | 5 | |
| 17 Sept. | Light rain shower | 29° /17° | 5.6 mm | 6 | |
| 18 Sept. | Moderate or heavy rain shower | 29° /19° | 28 mm | 6 | |
| 19 Sept. | Light rain | 24° /19° | 6.2 mm | 5 | |
| 20 Sept. | Patchy rain possible | 30° /19° | 1.3 mm | 7 | |
| 21 Sept. | Light drizzle | 21° /17° | 2.6 mm | 5 | |
| 22 Sept. | Moderate rain | 24° /14° | 12.4 mm | 5 | |
| 23 Sept. | Light rain shower | 20° /12° | 2.6 mm | 5 | |
| 24 Sept. | Patchy rain possible | 20° /10° | 0.2 mm | 5 | |
| 25 Sept. | Patchy rain possible | 22° /10° | 0.7 mm | 5 | |
| 26 Sept. | Light rain shower | 25° /16° | 2 mm | 6 | |
| 27 Sept. | Light rain shower | 25° /18° | 2.1 mm | 6 | |
| 28 Sept. | Light rain shower | 23° /18° | 5.8 mm | 5 | |
| 29 Sept. | Light rain shower | 18° /14° | 9.3 mm | 4 | |
| 30 Sept. | Patchy rain possible | 21° /13° | 0.3 mm | 5 | |
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Important Notice
Our weather forecast for Nikkō 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 Nikkō forecast closer to your planned date for the most up-to-date weather information.
Nikkō in September - FAQ
What are the expected maximum and minimum temperatures in Nikkō during September?
During September, expect a variety of temperatures with highs around 26° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Nikkō during September?
Significant rainfall exceeding 229 mm is expected in Nikkō during September, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Nikkō during September?
The average wind speed in Nikkō during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Nikkō in September?
As you prepare for your trip to Nikkō 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 Nikkō, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Nikkō
Explore the daily rainfall trends and prepare for Nikkōs September weather 💧
UV exposure in Nikkō during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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