Montenegro
Montenegro in September: weather, sea & travel advice
This month's data profile
Sea conditions lead
Montenegro in September is climatically well suited to city breaks, family holidays, beach holidays and active holidays and hiking. The average daily high is around 23 °C, and the sea is about 24 °C. With about 10 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
85/100 · #4
Warmth
#4
Dryness
#4
Sun
#6
Sea warmth
#3
Published best categories: Overall, Beach, City break, Active, Family
Montenegro · SeptemberPhoto: Miomir Magdevski · CC BY-SA 4.0Climate facts
- Average high
- 23 °C
- Average low
- 15 °C
- Sea
- 24 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 66 %
For your trip planning
September: over twice August's rain, still among the best months
September in Montenegro still belongs to the best months overall and for beaches in our series, although precipitation is more than twice that of August and average highs are clearly lower. October is cooler and wetter again, with fewer estimated sun hours. The sea stays warm in September, so swimming is plausible between the wetter days.
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 29 | 19 | 7 | 49 | 7.8 | 55 | 2.0 | 26 | 86 |
| September (selected) | 23 | 15 | 10 | 116 | 5.8 | 66 | 2.2 | 24 | 85 |
| October | 18 | 11 | 11 | 131 | 3.9 | 75 | 2.4 | 21 | 64 |
How do the previous and next months compare?
Baseline: September (85/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | +1 | +5.5 °C | +4.3 °C | -2.9 | -67.2 mm | +2 h | -10.7 % | -0.2 m/s | +2.1 °C |
| October | -21 | -5 °C | -3.9 °C | +1.5 | +15.1 mm | -1.9 h | +8.6 % | +0.2 m/s | -2.5 °C |
All twelve months in context
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Frequently asked questions
How warm is Montenegro in September?
The average daily high is around 23 °C, with an average daily low of about 15 °C.
Can you swim in Montenegro in September?
The sea is about 24 °C (swimmable).
Does it rain a lot in Montenegro in September?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 116 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Montenegro?
By the climate score, June, July, August and September are the strongest months for Montenegro. For a beach trip: June, July, August and September. September is one of them.