Annaka Weather in September

September in Annaka typically sees daytime highs of 25°C (77°F) and nighttime lows of 17°C (63°F). September falls within the rainy season, so heavy rainfall is to be expected. It falls within the summer season.

Rainfall in Annaka in September

As part of the rainy season, Annaka sees around 20 days of rain in September, with an average of 255 mm (10 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Annaka in September

In September, Annaka sees high temperatures, with highs of 25°C (77°F). Nights drop to around 17°C (63°F). September marks the summer season. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Annaka in September

The month brings about 163 hours of sunlight, offering a comfortable mix of sun and rainy moments.

If your ideal day consists of dry skies and pleasant temperatures, May typically offers the best circumstances for Annaka.

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For a detailed overview over the year and the best time to visit Japan, check out our Annaka's climate page.

Annaka Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 66%  

Precipitation 255 mm (10 in)  

Rainy days 20 days  

Humidity 74% *  

Sunshine 163 hours *  

Percentage Sunshine *  

* Data from: Kōchi, Japan (53 KM, 33 Miles).

What to Wear in Annaka in September

For Annaka in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Annaka in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Annaka's climate page.

More climate data for Annaka

Temperature Rainfall Sunshine Humidity

See the full Annaka climate overview or explore weather in Japan.