Septon, Belgium experiences average highs of 14°C (57°F) and lows of 7°C (45°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Average highs have warmed by 1.3°C (2.3°F) across the available records.
Septon, Belgium Weather & Climate 2026
Monthly climate averages for Septon, Belgium. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 14°C / 7°C
Feels Like 12°C / 4°C
Rainy Days 14
Rainfall 85 mm
Sunshine 7 h
Humidity 79%
Wind Speed 20 km/h
Dew Point 7°C
Snow Days 5 days
Frost Days 8 days
Hottest Month
23°C
August
Avg Low 14°C
Rain 14 days
Coldest Month
0°C
January
Avg High 5°C
Rain 15 days
Driest Month
12 days
April
Avg High 14°C
Avg Low 4°C
Windiest Month
24 km/h
February (Gusts 46)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:27
Daylight 16.4h
Sunset 21:51
Live conditions —
Septon on the map · live conditions
Septon, Belgium
- Continent
- Europe
- Country
- Belgium
- City
- Septon
- Population
- 598
- Coordinates
- 50.36°, 5.42°
Seasonal Breakdown
Spring
Mar–May
Avg High 14°C
Avg Low 5°C
Rain 13 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 22°C
Avg Low 13°C
Rain 13 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 15°C
Avg Low 8°C
Rain 13 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low 1°C
Rain 15 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 5°C / 0°C . Feb: 8°C / 2°C . Mar: 10°C / 2°C . Apr: 14°C / 4°C . May: 18°C / 8°C . Jun: 22°C / 13°C . Jul: 22°C / 14°C . Aug: 23°C / 14°C . Sep: 19°C / 11°C . Oct: 15°C / 9°C . Nov: 9°C / 4°C . Dec: 7°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 110 mm. Feb: 84 mm. Mar: 85 mm. Apr: 62 mm. May: 76 mm. Jun: 98 mm. Jul: 82 mm. Aug: 78 mm. Sep: 80 mm. Oct: 90 mm. Nov: 75 mm. Dec: 96 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 82%. Mar: 78%. Apr: 74%. May: 73%. Jun: 73%. Jul: 72%. Aug: 74%. Sep: 77%. Oct: 84%. Nov: 87%. Dec: 89%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 23 km/h . Feb: 24 km/h . Mar: 22 km/h . Apr: 19 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 17 km/h . Aug: 17 km/h . Sep: 18 km/h . Oct: 21 km/h . Nov: 21 km/h . Dec: 22 km/h .
Sunshine
Sunshine
Sunshine: Jan: 3h. Feb: 5h. Mar: 7h. Apr: 10h. May: 11h. Jun: 11h. Jul: 11h. Aug: 10h. Sep: 9h. Oct: 6h. Nov: 4h. Dec: 3h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 6. Sep: UV 4. Oct: UV 3. Nov: UV 1. Dec: UV 1.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow Days Snowfall
Snow Days: Jan: 9 days. Feb: 5 days. Mar: 4 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 3 days. Dec: 5 days.
Climate Trends
Average highs have warmed by 1.3°C (2.3°F) across the available records. Average rainfall is trending drier by about 11 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 23°C | Aug · 23°C |
| Coldest month | Jan 2025 · -1°C | Jan · 0°C |
| Wettest month | Jan 2025 · 167 mm | Jan · 110 mm |
| Windiest month | Jan 2025 · 22 km/h | Feb · 24 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Good October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / 0°C | 1°C / -4°C | 15days (110 mm) Wet | 3.2h Poor | 89% Very Muggy | 1.2 Low | Poor | View Details |
| February | 8°C / 2°C | 3°C / -3°C | 13days (84 mm) Wet | 5h Fair | 82% Humid | 1.7 Low | Poor | View Details |
| March | 10°C / 2°C | 7°C / -2°C | 14days (85 mm) Wet | 7h Good | 78% Humid | 3.6 Moderate | Poor | View Details |
| April | 14°C / 4°C | 11°C / 1°C | 12days (62 mm) Wet | 9.8h Good | 74% Muggy | 4.6 Moderate | Fair | View Details |
| May best | 18°C / 8°C | 16°C / 6°C | 12days (76 mm) Wet | 10.7h Excellent | 73% Muggy | 5.7 High | Good | View Details |
| June best | 22°C / 13°C | 21°C / 11°C | 13days (98 mm) Wet | 11.2h Excellent | 73% Muggy | 6.2 High | Excellent | View Details |
| July best | 22°C / 14°C | 22°C / 13°C | 13days (82 mm) Wet | 11.3h Excellent | 72% Muggy | 5.9 High | Excellent | View Details |
| August best | 23°C / 14°C | 23°C / 13°C | 14days (78 mm) Wet | 10.3h Excellent | 74% Muggy | 5.6 High | Excellent | View Details |
| September best | 19°C / 11°C | 18°C / 10°C | 12days (80 mm) Wet | 8.6h Good | 77% Humid | 4.2 Moderate | Good | View Details |
| October | 15°C / 9°C | 13°C / 6°C | 14days (90 mm) Wet | 5.5h Fair | 84% Humid | 2.5 Moderate | Fair | View Details |
| November | 9°C / 4°C | 6°C / 1°C | 14days (75 mm) Wet | 3.9h Poor | 87% Very Muggy | 1.3 Low | Poor | View Details |
| December | 7°C / 2°C | 3°C / -2°C | 16days (96 mm) Wet | 2.6h Poor | 89% Very Muggy | 0.9 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Septon are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Septon, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Septon is August, with average daytime highs of 23°C (73°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Septon is January, with average overnight lows of 0°C (32°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Septon is January, averaging 110mm of precipitation across 15 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Septon runs through December, January, March, August, with the heaviest rainfall in December. Based on 10-year averages for Septon.
Septon receives approximately 89 sunshine hours per year. The sunniest month is July with around 11 hours. Based on climate data for Septon.
The least favorable months to visit Septon are January, February, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Septon is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Septon is 79%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Septon receives snow. Months with snowfall average 5 snow days and 6 cm (2 in) of accumulation, with about 8 frost days during winter.
Average wind speeds in Septon are 20 km/h (12 mph). The windiest month is February with peak winds reaching 24 km/h (15 mph) (gusts up to 46 km/h / 29 mph).
Septon averages 3 clear-sky days per month with overall cloud cover around 68%. The clearest skies occur in March.
The annual average dew point in Septon is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Septon has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Septon ranges from 4°C (39°F) to 12°C (54°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Septon. It earns a climate score of 7.7/10 with Excellent.
For June in Septon, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 22°C (71°F) and 13 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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