秋晴れ

秋晴れ

a clear autumn day/clear autumn days

a fine autumn day

a beautiful autumn day

a perfect autumn day

a sunny autumn day

fine autumn weather

We usually have fine/a clear autumn weather/day.

いつもならもっと秋晴れの日があるのに、

We usually have fine autumn weather,

This fall, we did not have any sunny autumn days as previous years.

Usually, we have many glorious autumnal days but this year, even though it's already October,

previous プリｰｳﾞｨｱｽ　adj)以前の、前の

glorious  グロｰﾘｱｽ　adj)光り輝く、すばらしく好天の晴れ上がった

今年は10月でも蒸し暑く、雨の日が多かった。

but this year there were many humid and rainy days in October.

it is humid and we have many rainy days.

と思えば急に寒くなるし。

Sometimes the temperature would suddenly drop too.

Then suddenly, it becomes very cold.

カラっと過ごしやすい気温で丸一日晴れた日がほぼないよね。

I don't think we had even a single dry, nice day.

We hardly had any days where it was totally sunny and pleasant weather for a whole day.

single adj)ひとつの

カラっとした

dry

穏やかな

mild

すずしい

cool

すがすがしい

crisp 

さわやかな

refreshing