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The temperatures in Lithuania in September are quite cold with temperatures between 9°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Lithuania during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Lithuania in September 2025.
If you’re planning to visit Lithuania in the near future, we highly recommend that you review the 14 day weather forecast for Lithuania before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -7° | 5 | 6 | 21 | 75 mm | Awful | Lithuania in January |
| February | -1° / -6° | 4 | 4 | 20 | 55 mm | Awful | Lithuania in February |
| March | 4° / -2° | 6 | 11 | 14 | 53 mm | Awful | Lithuania in March |
| April | 11° / 3° | 6 | 19 | 5 | 55 mm | Bad | Lithuania in April |
| May | 17° / 8° | 7 | 23 | 0 | 92 mm | Ok | Lithuania in May |
| June | 21° / 11° | 6 | 24 | 0 | 78 mm | Good | Lithuania in June |
| July | 23° / 14° | 7 | 24 | 0 | 100 mm | Good | Lithuania in July |
| August | 23° / 13° | 5 | 26 | 0 | 81 mm | Perfect | Lithuania in August |
| September | 17° / 9° | 5 | 25 | 0 | 45 mm | Good | Lithuania in September |
| October | 10° / 4° | 6 | 23 | 2 | 52 mm | Bad | Lithuania in October |
| November | 5° / 1° | 6 | 18 | 6 | 55 mm | Awful | Lithuania in November |
| December | -1° / -4° | 6 | 7 | 18 | 69 mm | Awful | Lithuania in December |