How warm is it in Maó (Mahón) in September?

Daytime highs averaged 25.6 °C, night-time lows 23.9 °C. The highest value of the past 10 years was 30.6 °C (6 Sep 2026), the lowest 17.7 °C (27 Sep 2020).

How often does it rain in Maó (Mahón) in September?

On average there were 10.1 rain days (at least 1 mm) with 54.1 mm of precipitation in total.

🇪🇸 Weather in Maó (Mahón) in September

This is what the weather in Maó (Mahón) (Menorca, Spain) was like in September in 2017–2026.

Key facts at a glance

Prevailing weather: Sunny

Avg. daytime high

25.6 °C

24.0 °C – 27.4 °C

Avg. night-time low

23.9 °C

21.8 °C – 25.5 °C

Avg. rain days in period

10.1

34 % of days · ≥ 1.0 mm

Avg. precipitation in period

54.1 mm

35.7 mm – 85.3 mm

Avg. sunshine per day

n/a

Sunshine duration is not available from this data source.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 30.6 °C (6 Sep 2026) · Lowest temperature 17.7 °C (27 Sep 2020) · Avg. daily peak wind 24 km/h

Weather mix of all days

88Sunny
73Partly cloudy
14Cloudy
64Light rain
37Rain

Summary

On average 25.6 °C during the day and 23.9 °C at night.
On average 10.1 rain days (Rain day = at least 1.0 mm of precipitation) with 54.1 mm of precipitation in total.
Prevailing: Sunny.
Warmest year: 2026 (avg. 27.4 °C), coolest: 2017 (avg. 24.0 °C).
Wettest year: 2020 (85.3 mm), driest: 2026 (35.7 mm).
Extremes: 30.6 °C on 6 Sep 2026 and 17.7 °C on 27 Sep 2020.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max27.4°Avg. min25.5°
Rain days
6 Rain days
Precipitation
35.7 mm
Avg. sunshine per day
n/a
Sea temperature
–
Max 30.6 °C · Min 24.1 °C
2025
Avg. max25.6°Avg. min23.9°
Rain days
9 Rain days
Precipitation
56.4 mm
Avg. cloud cover
44 % cloudy
Sea temperature
–
Max 27.1 °C · Min 19.8 °C
2024
Avg. max24.5°Avg. min22.7°
Rain days
10 Rain days
Precipitation
56.4 mm
Avg. cloud cover
41 % cloudy
Sea temperature
–
Max 28.2 °C · Min 20.0 °C
2023
Avg. max25.9°Avg. min24.3°
Rain days
12 Rain days
Precipitation
51.5 mm
Avg. cloud cover
45 % cloudy
Sea temperature
–
Max 27.4 °C · Min 22.1 °C
2022
Avg. max26.7°Avg. min25.0°
Rain days
11 Rain days
Precipitation
45.6 mm
Avg. cloud cover
51 % cloudy
Sea temperature
–
Max 29.7 °C · Min 20.0 °C
2021
Avg. max26.0°Avg. min24.4°
Rain days
15 Rain days
Precipitation
73.3 mm
Avg. cloud cover
51 % cloudy
Sea temperature
–
Max 27.5 °C · Min 22.1 °C
2020
Avg. max25.3°Avg. min23.3°
Rain days
13 Rain days
Precipitation
85.3 mm
Avg. cloud cover
36 % cloudy
Sea temperature
–
Max 27.4 °C · Min 17.7 °C
2019
Avg. max24.9°Avg. min23.5°
Rain days
8 Rain days
Precipitation
43.6 mm
Avg. cloud cover
40 % cloudy
Sea temperature
–
Max 27.0 °C · Min 22.4 °C
2018
Avg. max25.7°Avg. min24.1°
Rain days
10 Rain days
Precipitation
48.8 mm
Avg. cloud cover
41 % cloudy
Sea temperature
–
Max 27.3 °C · Min 20.6 °C
2017
Avg. max24.0°Avg. min21.8°
Rain days
7 Rain days
Precipitation
44.7 mm
Avg. cloud cover
40 % cloudy
Sea temperature
–
Max 26.7 °C · Min 19.6 °C

Frequently asked questions

How warm is it in Maó (Mahón) in September?: Daytime highs averaged 25.6 °C, night-time lows 23.9 °C. The highest value of the past 10 years was 30.6 °C (6 Sep 2026), the lowest 17.7 °C (27 Sep 2020).
How often does it rain in Maó (Mahón) in September?: On average there were 10.1 rain days (at least 1 mm) with 54.1 mm of precipitation in total.

Check your exact travel dates

Choose your travel period – we show the weather for exactly those days.

Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)